Mixed xylene, identified as CAS 1330-20-7, is not a single molecular species. Commercial solvent-grade xylene is a reformate-derived cut comprising meta-xylene, para-xylene, ortho-xylene, and ethylbenzene. The boiling point of the mixture spans approximately 137°C to 143°C at 101.3 kPa, a range that places the solvent between toluene and butyl acetate...
China Mixed Xylene Market 2026: The PX Capacity Cycle and What It Means for Solvent Buyers Mixed xylene as traded in the Chinese solvent market is not a single aromatic compound but a C8 cut containing para-xylene, meta-xylene, ortho-xylene, and ethylbenzene. Its industrial boiling range is commonly specified as 137...
Global Xylene Overcapacity 2026-2031: Capacity Pipeline, Trade Flows and Price Outlook is best evaluated through isomer-level material balances rather than a single mixed xylene balance. Xylene is a C8 aromatic hydrocarbon mixture containing paraxylene, orthoxylene, meta-xylene, and ethylbenzene. Commercial outlets are paraxylene for purified terephthalic acid and polyethylene terephthalate, orthoxylene...
Xylene price cycle and seasonality—reading the aromatics curve before purchase—requires treating mixed xylenes as a swing product between gasoline and petrochemicals. Mixed xylenes (MX) are a C8 aromatic stream containing para-xylene, meta-xylene, ortho-xylene, and ethylbenzene. The three xylene isomer boiling points are 138.4 °C, 139.1 °C, and 144.4 °C, respectively;...
The production cost of xylene product is set by the upstream chain expressed as Crude, Naphtha and Reformate: The Feedstock Chain Behind Xylene Cost. Under ASTM D86-23, full-range straight-run naphtha with an endpoint of 150–180 °C typically represents 15–28 wt% of a light paraffinic or light sweet crude, although naphthenic...
2026 Force Majeure Events in Aromatics: What Supply Interruptions Teach Xylene Buyers Between January and September 2026, force majeure declarations in aromatics upended routine mixed-xylene allocation without changing the specification ceilings embedded in ASTM D843-18 and ASTM D5211-19. The supply interruptions were concentrated in reformate upgrading, pyrolysis gasoline hydrotreating, and...
Mixed Xylene Trade Flows 2026: Who Exports, Who Imports and Why Mixed xylene is a C8 aromatic hydrocarbon stream containing ethylbenzene and three xylene isomers. International trade is recorded principally under HS 2902.44 for petroleum-derived mixed xylene isomers and HS 2707.30 for coal-derived xylol. Export cargoes intended for paraxylene feedstock...
Mixed xylene is defined as a commercial aromatic hydrocarbon stream composed primarily of the three dimethylbenzene isomers—ortho-xylene, meta-xylene, and para-xylene—with ethylbenzene typically present at 5–20 wt%. The CAS Registry Number for mixed xylene is 1330-20-7; the individual isomer CAS numbers are 95-47-6 for o-xylene, 108-38-3 for m-xylene, and 106-42-3 for...
In commercial aromatic hydrocarbon documentation, xylene, xylol, and dimethylbenzene are treated as interchangeable front-line labels, but the underlying identifiers direct a buyer to different supply streams. The systematic designation dimethylbenzene describes a benzene ring carrying two methyl substituents and exists as three locant-specific isomers: 1,2-dimethylbenzene, 1,3-dimethylbenzene, and 1,4-dimethylbenzene. Xylene is...
Mixed xylene is not a single aromatic isomer but a boiling-range mixture of ethylbenzene, para-xylene, meta-xylene and ortho-xylene. The commercial product is defined less by total C8 aromatic content than by impurity limits in ASTM D5211-19 for xylenes used as p-xylene feedstock and ASTM D843 for nitration-grade xylene. Ethylbenzene, nonaromatic...
Mixed xylene (CAS 1330-20-7; EC 215-535-7) is an aromatic hydrocarbon stream containing ethylbenzene and the three dimethylbenzene isomers—ortho-xylene (95-47-6), meta-xylene (108-38-3) and para-xylene (106-42-3). The material serves two distinct supply positions: a precursor for para-xylene extraction to purified terephthalic acid in polyester production, and a solvent or performance diluent in...
Where Xylene Is Used: Downstream Industries and a Volume Split Map Mixed xylene is recovered as a C8 aromatic stream from catalytic reformate and pyrolysis gasoline. The stream is distilled to separate ethylbenzene (boiling point 136.2 °C) from para-xylene (138.4 °C), meta-xylene (139.1 °C), and ortho-xylene (144.4 °C). Because the...
Xylene Grades Compared: Solvent Grade vs Isomerisation Grade vs Crude Xylene are differentiated by impurity burden, catalyst compatibility, and specification load rather than by isomer distribution alone. Commercial xylene is a C8 aromatic mixture containing ethylbenzene, p-xylene, m-xylene, and o-xylene with normal boiling points of 136.2 °C, 138.4 °C, 139.1...
GB/T 3407-2019 vs GB/T 3407-2010: What Changed for Petroleum Xylene Buyers Petroleum xylene is purchased as a mixed C8 aromatic stream in which para-xylene, meta-xylene, ortho-xylene, and ethylbenzene are present alongside trace non-aromatic hydrocarbons. The Chinese national standard GB/T 3407-2019, issued on 25 March 2019 and effective on 1 February...
3 °C vs 5 °C vs 10 °C Distillation Range Xylene: Which Grade Fits Your Formulation For mixed xylene blends, the distillation range is not a single boiling point but a volatility bandwidth determined under controlled reflux conditions using ASTM D850 or ASTM D1078. Three widths dominate technical procurement: a...
Technical Grade Xylene Specification Table: Assay, Distillation, Density, Water and Sulfur Technical grade xylene is supplied as a mixed C8 aromatic stream in which meta-xylene, para-xylene, ortho-xylene, and ethylbenzene are present in proportions determined by the reformate splitting sequence. The specification table below consolidates the five parameters that define commercial...
Nitration Grade Xylene (ASTM D843) vs Industrial Grade: Full Specification Comparison is a specification audit for a reactor-grade aromatic stream and a broad-cut solvent with overlapping boiling points but materially different impurity profiles. The distinction is not established by a single gas-chromatographic purity value; it is controlled by the D843...
Xylene Isomer Composition: o-, m-, p-Xylene and Ethylbenzene Ratios That Decide Your Application Commercial xylene is not a single C8 aromatic. The liquid sold as mixed xylene contains ortho-xylene, meta-xylene, para-xylene, and ethylbenzene in proportions set by the upstream process and the downstream separation sequence. A reformate-derived C8 heart-cut does...
ACS Reagent Grade Xylene: Complete Impurity and Trace Metal Limit Table ACS reagent grade xylene is defined as a mixed C8 aromatic hydrocarbon stream in which the sum of ortho-xylene, meta-xylene, para-xylene, and ethylbenzene is ≥98.5%. The specification is drawn from the ACS Reagent Chemicals monograph for Xylenes and is...
Xylene for Histology and Laboratory Use: Grade Requirements and Pack Size Guide Commercial xylene used in histology is not a single molecular species but a mixture of aromatic C8H10 isomers—ortho-xylene, meta-xylene, para-xylene, and ethylbenzene—recovered from catalytic reforming or pyrolysis gasoline streams. The proportions of these components vary by refinery source,...
Low-sulfur xylene is a mixed C8 aromatic stream in which total sulfur is controlled below 1 mg/kg to protect downstream catalytic functions. The product typically contains ortho-xylene, meta-xylene, para-xylene, and ethylbenzene, with sulfur entering through upstream reformate or pyrolysis gasoline fractions as thiophenic, mercaptan, or disulfide species. Sulfur in the...
How to Read a Xylene COA: 12 Parameters That Actually Matter A xylene certificate of analysis should be read as a boundary document rather than a purity declaration. Mixed xylene lots exiting reformate fractionation, toluene disproportionation, or light naphtha cracking still contain isomer-dependent impurities that do not appear in a...
Xylene, a C8 aromatic hydrocarbon stream containing m-xylene, p-xylene, o-xylene, and ethylbenzene with a typical distillation range of 137–140 °C, functions as a reaction solvent, azeotropic entrainer, and coatings diluent. Water content in xylene is controlled because dissolved water and free water generate distinct failure modes in downstream systems. At...
Xylene Colour (Pt-Co / APHA): Why 20 Units Decides Whether Your Coating Passes In solventborne coating manufacturing, colour of the aromatic diluent is not a separate variable from crosslinker performance. Xylene is received under purchasing specifications that state a maximum platinum-cobalt colour of 20 units against ASTM D1209-05(2019) or ISO...
Xylene Copper Strip Corrosion Test (GB/T 5096): What a Fail Tells You About the Cargo Mixed xylene is an aromatic C8H10 solvent stream traded as a mixture of para-xylene (CAS 106-42-3), meta-xylene (CAS 108-38-3), ortho-xylene (CAS 95-47-6), and ethylbenzene. In cargo quality control, GB/T 5096 copper strip corrosion testing is...
Xylene GC Analysis Explained: Area Normalisation and How to Verify a Purity Claim Mixed xylene is not a single molecule but a volatile aromatic stream containing ortho-xylene, meta-xylene, para-xylene, and ethylbenzene with residual benzene, toluene, and C9 aromatic hydrocarbons. A gas chromatographic purity claim for nitration-grade xylene, isomerisation feed, or...
Benzene Contamination in Xylene: Detection Limits, Test Methods and Buyer Risk Xylene is a C8 aromatic hydrocarbon fraction containing para-xylene, meta-xylene, ortho-xylene, and ethylbenzene in proportions determined by the production route. It enters commerce as mixed xylene for solvent and blending service, or as high-purity isomer streams for p-xylene oxidation,...
Xylene Flash Point (Closed Cup): Why Your SDS Says 25 °C and Mine Says 32 °C Safety data sheets for xylene (CAS 1330-20-7) commonly cite a closed-cup flash point of 25 °C or 32 °C, and both values can be defensible for the same product family. The closed-cup flash point...
In a solvent-borne paint plant, xylene is most often introduced as a letdown thinner after the pigment dispersion step, where its aromatic solvency and evaporation rate influence viscosity, package stability, and film coalescence. Commercial mixed xylene (CAS 1330-20-7) is not a single isomer but a C8 aromatic cut that typically...
Xylene as a printing ink solvent operates within a narrow formulation boundary defined by flammability, evaporation rate, and resin compatibility. Commercial mixed xylene (CAS 1330-20-7) distilled to a boiling range of 137–143°C comprises 40–45 wt% m-xylene, 20–25 wt% p-xylene, 15–20 wt% o-xylene, and 10–20 wt% ethylbenzene; nitration-grade limits benzene below...
Xylene in Rubber, Adhesives and Sealants: Dissolution Behaviour and Dosage Reference Mixed xylene (CAS 1330-20-7; boiling range 137–144 °C; density 0.864–0.875 g/cm³ at 20 °C) is an aromatic hydrocarbon solvent used in elastomer dissolution, rubber cement thinning, adhesive viscosity adjustment, and sealant extrusion control. Its Hildebrand solubility parameter of approximately...
The selection of xylene in pesticide and agrochemical formulations is controlled by aromatic content limits and solvent selection criteria that extend from raw-material analytical release to emulsion stability and filling-line behavior. Xylene enters the formulation as mixed xylene, CAS 1330-20-7, a fast-evaporating aromatic hydrocarbon blend containing ethylbenzene and the three...
Isomerisation Grade Xylene for PX Plants: Feed Quality Requirements and Penalties is not a single specification but a set of process-defined limits applied to the C8 aromatic cut charged to the fixed-bed isomerisation reactor. The stream typically originates from reformate splitters, selective toluene disproportionation, or transalkylation distillation; it contains para-xylene,...
Mixed xylene, CAS 1330-20-7, is a C8 aromatic solvent recovered from catalytic reforming and steam-cracking streams. The product contains m-xylene, p-xylene, o-xylene, and ethylbenzene in proportions that vary with refinery cut points and downstream separation. For electronics and precision cleaning, purity level is not a single assay value; it is...
The technical selection between xylene and toluene in solvent-borne coating, adhesive, printing and extraction systems rests on measurable physical-property divergence, regulatory exposure ceilings, and total process cost. Mixed xylene is marketed predominantly under CAS 1330-20-7 as a C8 aromatic stream containing ethylbenzene and the three dimethylbenzene isomers; toluene is a...
Xylene Alternatives: Ester, Isoparaffin and Bio-Based Substitutes - A Decision Matrix Mixed xylene is specified on paint, ink, and industrial cleaning lines by ASTM D86 distillation range of 137–144°C, ASTM D3278 closed-cup flash point of 25–32°C, and ASTM D1133 Kauri-butanol value near 98. Its 100 wt% neat-solvent VOC content under...
Commercial xylene is not a single molecular species but a C8 aromatic stream containing ortho-xylene (CAS 95-47-6), para-xylene (CAS 106-42-3), meta-xylene (CAS 108-38-3), and ethylbenzene (CAS 100-41-4). The three xylene isomers share the formula C8H10 and molecular weight 106.16 g/mol, but their para/meta/ortho substitution patterns create boiling points close enough...
Commercial xylene, CAS 1330-20-7, is not a single molecular species but a narrow-boiling C8 aromatic cut containing ethylbenzene and the ortho-, meta- and para-xylene isomers. The boiling range of a typical mixed xylene grade falls between 137 °C and 143 °C, while n-butyl acetate, CAS 123-86-4, is an oxygenated ester...
Replacing Xylene in Low-VOC Coatings: Reformulation Checklist and Trade-offs Replacing Xylene in Low-VOC Coatings: Reformulation Checklist and Trade-offs is a solvent-engineering task that begins with xylene’s dual regulatory status as a volatile organic compound under EPA Method 24 and a hazardous air pollutant listed in 42 U.S.C. § 7412. Xylene...
Technical-grade mixed xylene, CAS 1330-20-7, is supplied as a clear aromatic hydrocarbon stream containing 40–45 % meta-xylene, 18–22 % ortho-xylene, 18–20 % para-xylene, and 12–20 % ethylbenzene. The comparison of xylene, white spirit, and aromatic-free fluids in relation to flash point, odour, and compliance determines several processing choices in solvent-borne...
Mixed xylene, CAS 1330-20-7, is a C8 aromatic stream composed primarily of ortho-xylene (CAS 95-47-6), meta-xylene (CAS 108-38-3), para-xylene (CAS 106-42-3), and ethylbenzene (CAS 100-41-4). Chinese export declarations for this product segment fall under HS 2902.41, 2902.42, 2902.43, and 2902.44, with the last code assigned to mixed-isomer streams. Xylene itself...
Which Destinations Require the Directed Dual-Use Licence for Xylene - A Country Table Commercial xylene is supplied as mixed xylene, CAS 1330-20-7, or as the isolated isomers ortho-xylene CAS 95-47-6, meta-xylene CAS 108-38-3, and para-xylene CAS 106-42-3. Mixed xylene composition is feedstock-dependent: catalytic reformate-derived material typically contains 40–50 % meta-xylene,...
This article addresses the subject Xylene Mixtures, Thinners and Paints: How the Precursor Rules Apply to Blends. Xylene (CAS 1330-20-7) is supplied commercially as a mixed aromatic stream containing ortho-xylene (CAS 95-47-6), meta-xylene (CAS 108-38-3), para-xylene (CAS 106-42-3), and ethylbenzene (CAS 100-41-4). The solvent is not scheduled in the annexes...
Xylene sample shipments: licence requirements and documentation for samples are determined by the transport classification of the substance rather than by a single consolidated permit. Mixed-isomer xylene is listed in international dangerous goods registers as UN 1307 Xylenes, Class 3, Packing Group III, with CAS 1330-20-7. The commercial product usually...
Xylene SDS / MSDS: A 16-Section Checklist and GHS Classification Walkthrough is the controlling review format for the aromatic solvent mixture identified as CAS 1330-20-7 and composed primarily of ortho-, meta-, and para-xylene isomers. The obligation to author a compliant safety data sheet does not scale with end-use volume; it...
The GHS Labelling and Packaging Checklist for Xylene Drums, IBCs and ISO Tanks begins with the classification recorded in EU CLP Regulation 1272/2008, Annex VI index 601-022-00-9, and in OSHA Hazard Communication Standard 29 CFR 1910.1200 Appendix C. Technical-grade xylene is placed under the transport entry Xylenes, UN 1307, Class...
Technical xylene, identified by CAS Number 1330-20-7 and EC Number 215-535-7, is an aromatic hydrocarbon solvent consisting primarily of ortho-xylene, meta-xylene, and para-xylene, with ethylbenzene as a characteristic associate fraction. The EU REACH compliance file for xylene—registration status, VOC rules, and buyer declarations—turns on the substance’s identity as a full...
Xylene Occupational Exposure Limits: China PC-TWA, EU IOELV, OSHA PEL and ACGIH TLV Side by Side Technical-grade xylene is a mixed aromatic hydrocarbon solvent composed primarily of ortho-, meta-, and para-xylene isomers, with ethylbenzene commonly present as a co-distilling constituent. The mixed-isomer commercial product is identified by CAS 1330-20-7. Exposure...
```html Xylene imported as a bulk petrochemical stream is rarely a single isomer. Commercial material may contain ortho-xylene (1,2-dimethylbenzene, CAS 95-47-6), meta-xylene (CAS 108-38-3), para-xylene (CAS 106-42-3), and ethylbenzene (CAS 100-41-4). Mixed xylene, CAS 1330-20-7, is the common solvent and intermediate stream, but its tariff identity is not set by...
India import compliance for Xylene (HS 29024400): duty, documents and NDPS conditions requires the importer to align three regulatory streams—customs tariff administration, hazardous chemical transport and storage law, and precursor-control verification. Mixed xylene under subheading 29024400 is typically a C8 aromatic hydrocarbon blend containing m-xylene, p-xylene, o-xylene, and ethylbenzene, with...
Importing Xylene into Southeast Asia: Requirements Comparison by Country Mixed xylene (CAS 1330-20-7, UN 1307) is traded in Southeast Asia as a bulk aromatic solvent and as feed for para-xylene or ortho-xylene recovery. The commodity is classified as flammable liquid category 3, aspiration hazard category 1, and skin and respiratory...
Certificate of Origin and FTA Routing for Xylene Cargoes: A Step-by-Step Checklist Xylene cargoes moving as bulk liquid are classified under the six-digit Harmonized System subheadings 2902.41 (o-xylene), 2902.42 (m-xylene), 2902.43 (p-xylene), and 2902.44 (mixed xylene isomers), with ethylbenzene classified separately under 2902.60. The certificate of origin is not a...
Xylene ISO tank loading parameters—net weight, fill ratio, and tank options—must be resolved before a tank is gated onto a marine terminal because the cargo is a multi-isomer aromatic hydrocarbon blend with a flash point below 30 °C and a vapor pressure that remains low relative to liquefied gases but...
Mixed xylene (dimethylbenzene, CAS 1330-20-7) is supplied predominantly as a low-viscosity aromatic hydrocarbon blend with a density of 0.865–0.875 g/cm³ at 15°C, a closed-cup flash point of 25–32°C, and a distillation range of 137–144°C under ASTM D86. The material is classified for transport as UN 1307, Class 3, Packing Group...
Mixed xylene (CAS 1330-20-7) is a C8 aromatic hydrocarbon stream comprising ortho-xylene, meta-xylene, para-xylene, and ethylbenzene. Commercial grades have a closed-cup flash point of 25–32 °C, an initial boiling point between 137 °C and 144 °C, a relative density of 0.86–0.88 at 15 °C, and a vapour pressure at 20...
Xylene shipping under UN 1307 / Class 3: Packing Group Assignment and DG Documentation requires the shipper to apply the UN 1307 entry exactly as listed in the applicable modal regulation and to verify the packing group by closed-cup flash-point testing. Commercial xylene is a mixture of ortho-, meta-, para-xylene...
Flexitank vs ISO Tank for Xylene: Liner Compatibility, Feasibility and Cost Xylene enters bulk logistics as a commercial aromatic solvent composed primarily of ortho-, meta- and para-xylene isomers, CAS 1330-20-7, with transport classification UN 1307, Class 3, Packing Group III. Density measured under ASTM D4052-22 typically falls in the 0.860–0.880...
Xylene Price per Ton 2026: FOB China, CFR and Domestic Bases Compared is a basis-differentiation task. The 2026 price per metric ton for mixed xylene and isomer-grade xylene is reported in USD/t for FOB China and CFR China, and in CNY/t for domestic China ex-tank. A comparison that does not...
Commerce for xylene is not built as a single flat number. The quote for mixed xylene, ortho-xylene, or para-xylene is the arithmetic result of feedstock costs, extraction margins, isomerization economics, and the competitive pull of gasoline blending. The phrase “Xylene Price Formation Model: Crude, Naphtha, PXN Spread and What Actually...
Comparing xylene quotes requires a disciplined normalisation across basis, Incoterm, and grade normalisation sheet parameters. A headline price of USD 1,050 per metric ton FOB is not equivalent to USD 1,135 per metric ton DAP unless net accepted mass at 15°C, isomer content, impurity loadings, and terminal charges are converted...
Xylene, typically supplied as mixed isomers with ethylbenzene content up to 20% by mass, functions in solvent-borne alkyd, epoxy, and polyurethane systems as a viscosity reducer, evaporation-rate modifier, and aromatic hydrocarbon diluent. The coating reformulation cost model for switching from xylene to ester solvents requires quantification of solvent consumption per...
Xylene Sampling and Dangerous Goods Cost Control Mixed xylene, CAS RN 1330-20-7, is a C8 aromatic hydrocarbon stream containing ortho-xylene, meta-xylene, para-xylene, and a variable ethylbenzene fraction. Commercial specifications include ASTM D5211-19 for p-xylene feedstock and ASTM D843-19 for nitration-grade applications. A representative mixed-xylene lot may exhibit density from 0.860–0.880...
Mixed xylene is handled as a bulk aromatic solvent and intermediate; the commercial product is a blend of ortho-, meta-, and para-xylene isomers with ethylbenzene and trace non-aromatic hydrocarbons. Purchase specifications for bulk cargoes typically cite distillation range 137–143°C under ASTM D850, closed-cup flash point 25°C under ASTM D56, density...
Xylene Quality Claim and Technical Support: Documentation, Sampling and Timeline Xylene Quality Claim and Technical Support: Documentation, Sampling and Timeline are not separate administrative steps; they are the three elements that make a certificate of analysis technically auditable. Mixed xylene, CAS 1330-20-7, is produced through catalytic reforming, toluene disproportionation, or...
Xylene is supplied commercially as mixed xylenes, para-xylene, ortho-xylene, and meta-xylene. The supply security of xylene is managed through the turnaround calendar, force majeure declarations, and backup sourcing clauses before product is pulled from storage. Mixed xylene production is integrated with catalytic reforming, steam cracker pyrolysis gasoline hydrotreating, toluene disproportionation,...
Solvent Recovery ROI Model for Xylene Users: Three Operating Scenarios Xylene recovery economics are assessed on the basis of qualified reuse value, not virgin purchase price alone. The ROI model used here is M = R × P_solvent + D_avoided − E_operating − C_annualized, where M is net annual margin,...
Plant Audit Checklist for Xylene Suppliers: 18 Items to Verify Before Signing Before a receiving plant executes a long-term xylene purchase agreement, the supplier’s production, storage, and transfer systems are verified against a structured technical audit. Mixed xylene, CAS 1330-20-7, is not a single-component product; it is an equilibrium-dependent C8...
Xylene Landed Cost Calculator: From FOB to Your Warehouse in 6 Inputs Mixed xylene, CAS 1330-20-7, is a C8 aromatic hydrocarbon blend with commercial density of 0.86–0.88 kg/L at 15 °C by ASTM D4052 and a closed-cup flash point near 25–32 °C depending on ortho-, meta-, para-xylene and ethylbenzene distribution....
Xylene Buyer FAQ: 20 Questions and Answers Before the First Order Procurement of mixed xylene as a solvent, intermediate, or isomer feedstock requires specification-based qualification rather than nominal product description. The following 20 items consolidate the technical questions received before the first order is placed, with reference to ASTM test...
Xylene Supplier Scorecard: A 15-Point Evaluation Template Procurement specifications for mixed xylene become operationally enforceable only when each acceptance parameter is connected to a published test method, a defined sampling point, and a numerical threshold that can be audited after delivery. The supplier scorecard described here translates the specification into...
Commercial xylene is traded as mixed xylene and as separated isomer streams—ortho-xylene, meta-xylene, para-xylene, and ethylbenzene-containing C8 aromatic fractions recovered from catalytic reformate, pyrolysis gasoline, toluene disproportionation, and transalkylation units. Long-term off-take and supply agreements for xylene are not spot purchase orders; they allocate refining capacity, terminal tankage, freight scheduling,...
Commercial movement of xylene—both mixed xylene and separated C8 aromatic isomers—is treated as a high-hazard, cargo-sensitive aromatics operation in which the inquiry-to-bill-of-lading sequence determines whether a parcel meets downstream reactor or solvent formulation limits. From Inquiry to Bill of Lading: A Xylene Order Process Timeline and Document Checklist consolidates the...
Mixed Xylene Supplier in China: Technical Data, Grades and Export Terms Commercial mixed xylene, identified by CAS 1330-20-7 and EINECS 215-535-7, is a process-dependent aromatic hydrocarbon blend containing ortho-xylene, meta-xylene, para-xylene, and ethylbenzene. Chinese production streams typically originate from catalytic reforming, steam cracking of heavy liquid feedstocks, or toluene disproportionation....
Commercial xylene (CAS 1330-20-7) is supplied as mixed xylene and as isolated ortho-, meta-, and para-isomers. Mixed xylene has a distillation range of 137 °C to 143 °C at 101.3 kPa, a closed-cup flash point near 25 °C, and a density of approximately 0.86 g/cm³ at 15.6 °C. The freezing...
Xylene Factory Direct Supply: What Direct Really Means in Contracts Within aromatic feedstock procurement, the phrase “factory direct” is applied to mixed xylene streams originating from catalytic reformer product separation, pyrolysis gasoline hydrotreater distillation, toluene disproportionation, and selective adsorption complexes. Mixed xylene is a C8 aromatic cut composed primarily of...
Xylene, CAS 1330-20-7, is procured in mixed-isomer streams, para-xylene feedstock, ortho-xylene, and nitration-grade mixed xylene. Procurement specifications commonly reference ASTM D5211-19 for xylenes intended as p-xylene feedstock, ASTM D5471 for ortho-xylene, and ASTM D843 for nitration-grade mixed aromatic material. Verification of manufacturer status affects lot traceability, isomer-ratio stability, impurity signature...
An assessment of xylene supply from China requires separating ownership models from grade availability. The C8 aromatic product slate consists of mixed xylene, para-xylene, ortho-xylene, and meta-xylene, with downstream uses ranging from solvent blending to purified terephthalic acid oxidation. For xylene producers in China, aromatics plant ownership and grade availability...
Xylene Exporter in China: Who Can Hold the Directed Licence Xylene, CAS 1330-20-7, is a C8 aromatic hydrocarbon stream composed of three dimethylbenzene isomers and ethylbenzene. The commercial product is not a single-molecule specification but a distillation-range and impurity-defined solvent or isomer feedstock. In Chinese export practice, the phrase “directed...
Xylene Wholesale and Trial Orders: MOQ, Packaging and Cost Sheet Mixed xylene supplied as CAS 1330-20-7 is recovered as a C8 aromatic heart-cut from catalytic reformate and pyrolysis gasoline. The commercial product is not a single molecular form but a narrow-boiling blend of ortho-xylene, meta-xylene, para-xylene, and ethylbenzene; the relative...
Private label and OEM xylene supply for distributors requires the transfer of a reformer-derived aromatic stream into a documented, lot-specific solvent or feedstock package. Commercial mixed xylene is not a single isomer; it contains ortho-xylene, meta-xylene, para-xylene, and ethylbenzene, with ethylbenzene present as a boiling-range constituent rather than a trace...
Xylene, a C8 aromatic hydrocarbon stream with a molecular weight of 106.16 g/mol, is distributed as a bulk solvent and chemical intermediate across coatings, agrochemical, rubber processing, and laboratory reagent markets. The commercial framework for xylene distributor and agent partnerships operates on a territory, volume and margin model that connects...
For procurement organizations assessing mixed-xylene supply chains, the qualified vendor registration for xylene: documentation pack checklist is treated as a release gate rather than a formality. The dossier is evaluated for upstream feedstock traceability, analytical method alignment, and regulatory consistency before the supplier is entered into the approved-vendor list. Submissions...
Xylene is a C8 aromatic hydrocarbon stream comprising para-, ortho-, and meta-isomers. It is manufactured in China primarily as an intermediate for purified terephthalic acid via p-xylene, phthalic anhydride via o-xylene, and isophthalic acid via m-xylene. The mixed isomer product has a boiling range of 137–144 °C, a flash point...
Top Mixed Xylene Manufacturers in China: A Verified 2026 List Mixed xylene (CAS 1330-20-7) comprises a C8 aromatic hydrocarbon fraction containing para-xylene, meta-xylene, ortho-xylene, and ethylbenzene in proportions that vary according to naphtha reforming severity, steam cracker feedstock slate, and downstream extraction sequence. The material is not a single isomer...
Commercial xylene availability is governed by the aromatics complex from which the C8 cut is withdrawn, not by standalone distillation or tankage. Reformate splitters, pyrolysis gasoline hydrotreater effluent, toluene disproportionation units, and transalkylation reactors all contribute C8 streams whose isomer ratios vary with catalyst age, extraction solvent condition, and fractionator...
Procurement of xylene in industrial volumes is a contract-intensive decision because the same designation—nitration grade xylene under ASTM D843-19 or p-xylene feedstock under ASTM D5211-19—can be supplied through two fundamentally different chains. The evaluation known as Xylene Factory Direct vs Trader Supply: Contract and Liability Comparison centers on who holds...
Xylene Manufacturer Verification: Licence, Capacity and Certificate Check Sheet Mixed xylene entering solvent distribution, isomer extraction, or catalytic conversion often fails not at the reaction step but at the supplier-control step. A manufacturer verification check sheet that treats licence, capacity and certificate as three isolated boxes misses the coupling between...
Isomerisation Grade Xylene Manufacturer Supply: PX Feed Contracts and Penalty Clauses Procurement of xylene as para-xylene feedstock is governed by contractual quality definitions rather than a single standard product. Isomerisation grade xylene is a mixed C8 aromatic stream containing para-xylene, meta-xylene, ortho-xylene, and ethylbenzene, with limits on non-aromatics, heavy aromatics,...
Mixed xylene (CAS 1330-20-7; EINECS 215-535-7; UN 1307) is the C8 aromatic cut recovered from catalytic reforming, steam-cracker pyrolysis gasoline hydrotreating, and toluene disproportionation. A direct-plant stream typically contains 18–24 wt% ethylbenzene, 18–24 wt% p-xylene, 38–45 wt% m-xylene, and 18–24 wt% o-xylene, with the balance distributed among toluene, benzene, C9+...
