High Octane Fuel Additive MTBE (CAS 1634-04-4): Bulk Marine Supply Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is supplied as a high-octane oxygenate for gasoline blending through bulk marine cargo operations. The compound is also named 2-methoxy-2-methylpropane and has molar mass 88.15 g/mol, boiling point 55.2 °C at 101.3 kPa, and...
With China’s 2026 methyl tert-butyl ether supply reference positioned at 29.27 million tonnes of nameplate capacity, the market is defined by a specific operational collision: China MTBE Market 2026: 29.27 Million Tonnes of Capacity Meets Falling Blending Demand. Methyl tert-butyl ether (MTBE) is a branched C5 mono-ether, CAS 1634-04-4, molecular...
Technical-grade methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a branched aliphatic ether with molecular formula C5H12O and molar mass 88.15 g/mol. It distills at 55.2 °C at 101.3 kPa, has density 0.740 g/cm³ at 20 °C when measured by ASTM D4052, and contains 18.15 wt% oxygen. In historical reformulated gasoline...
The 2026 methyl tert-butyl ether price cycle—MTBE Price Cycle 2026: Middle East Tension, Zero Domestic Margin and a Thin Export Arbitrage—is assessed through three interacting constraints. MTBE, CAS 1634-04-4, C5H12O, is produced from methanol and isobutylene. The molecule has a boiling point of 55.2 °C, density near 0.740 g/cm³ at...
Manufacture of methyl tert-butyl ether (MTBE, CAS 1634-04-4) proceeds by the reversible liquid-phase etherification of isobutylene with methanol over a sulfonic acid ion-exchange resin. The C4 feedstock consumption for commercial unit operations is commonly stated as 650 kg of isobutylene and 361 kg of methanol per tonne of MTBE, indicating...
Because methyl tert-butyl ether (MTBE; CAS 1634-04-4) is a low-boiling oxygenate that forms azeotropic mixtures with methanol and C4 hydrocarbons, the exact trade series China MTBE Exports 2026 H1: 3.78 Million Tonnes and a 116.52 Percent Increase is not merely a demand signal. At the stated H1 2026 volume of...
After the Fuel Market: Four Repurposing Routes for Idle MTBE Units Methyl tert-butyl ether (MTBE) remains an industrial C4 oxygenate with a normal boiling point of 55.2 °C, a water solubility of 4.8 g/100 mL at 20 °C, and a low flash point that classifies the material as a highly...
Commercial inquiry volumes for methyl tert-butyl ether repeatedly conflate three identifiers: the definitive CAS registry number 1634-04-4, the EU Community identifying number 216-653-1, and the abbreviation MTBE. The compound is a branched aliphatic ether with molecular formula C5H12O and molar mass 88.15 g/mol. It is produced by liquid-phase etherification of...
MTBE vs TBME: One Substance, Two Search Names and Two Different Industries The substance indexed under CAS 1634-04-4 and IUPAC name 2-methoxy-2-methylpropane is a volatile, nonpolar ether with molecular formula C5H12O and molar mass 88.15 g/mol. The designation MTBE is used in petroleum refining, reformulated gasoline compliance, and environmental remediation....
Methyl tert-butyl ether (MTBE), CAS 1634-04-4, is produced by the selective etherification of isobutylene with methanol over a sulfonic acid ion-exchange resin at typical reactor temperatures of 50–80 °C and sufficient pressure to maintain liquid-phase operation. The product is a branched dialkyl ether with a normal boiling point of 55.2...
Methyl tert-butyl ether (MTBE), CAS 1634-04-4, is manufactured by the reversible liquid-phase etherification of isobutylene plus methanol over a sulfonic acid resin catalyst. The principal stoichiometry is CH3OH + (CH3)2C=CH2 ⇌ (CH3)3COCH3, with a reaction enthalpy of approximately -37.7 kJ/mol in the liquid phase. The compound has a molar mass...
Product identification begins with CAS 1634-04-4 and a molecular mass of 88.15 g/mol. At atmospheric pressure the compound boils at 55.2 °C and remains liquid down to -108.6 °C; density at 20 °C is 0.7405 g/cm³, vapour pressure at 20 °C is 26.7 kPa, and closed-cup flash point is -28...
The following comparison of methyl tert-butyl ether (MTBE, CAS 1634-04-4) covers industrial, high-purity, pharmaceutical, and electronic grade materials through their specification envelopes, analytical test methods, and operational limitations. MTBE is a branched aliphatic ether manufactured by the equilibrium-limited addition of methanol to isobutene over a macroporous sulfonic acid ion-exchange resin....
Pharmaceutical-grade methyl tert-butyl ether (MTBE) operates as a high-volatility ethereal solvent in active pharmaceutical ingredient (API) workstreams where the defining quality parameter is residual-solvent burden rather than excipient functionality. The substance is listed as tert-butyl methyl ether in ICH Q3C Class 3 with a permitted daily exposure of 50 mg/day....
Electronic-grade methyl tert-butyl ether (MTBE, CAS 1634-04-4) is defined by SEMI C37 and is specified for photoresist stripper duty where trace metal contamination must remain in the sub-ppb range. In front-end semiconductor processing, MTBE is not used as a bulk solvent but as a controlled organic component in resist stripping...
Industrial methyl tert-butyl ether (MTBE) is released from Chinese petrochemical storage against SH/T 1834-2022, a product specification that binds each lot to a closed matrix of pass/fail limits and test methods. The standard is applied for gasoline oxygenate blending, downstream high-purity isobutylene production, methyl methacrylate (MMA) feedstock synthesis, and solvent...
Petrochemical procurement documents occasionally carry the citation GB/T 23858 as if that document were the product specification for methyl tert-butyl ether. That citation is not an MTBE standard; reading the correct Chinese standard number means substituting SH/T 1839-2016, the Chinese product specification for methyl tert-butyl ether. The difference is operationally...
Methyl Tert-Butyl Ether (MTBE) Water Content by Grade: 5000 ppm to 50 ppm and Why It Decides the Deal Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is traded across a water content specification continuum from 5000 ppm to 50 ppm. The range separates a bulk petrochemical oxygenate from an anhydrous solvent...
Peroxide and acidity limits in MTBE specifications are two values that do not agree when they are used as surrogate indicators of oxidative stability. The disagreement is not a drafting oversight; it arises because the two analytical procedures quantify different chemical pools that respond to oxygen exposure on different timescales....
Refractive Index and Density of MTBE: Two Fast Identity Checks That Catch Wrong Deliveries Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a branched C5 ether used as a gasoline oxygenate. In bulk custody transfer, the liquid is water-white and low-viscosity, and it may be mistaken for methanol, ethanol, ethyl tert-butyl...
Commercial MTBE used in chromatographic methods is supplied as methyl tert-butyl ether, CAS 1634-04-4, with molecular formula C5H12O and relative molecular mass 88.15 g/mol. The material is a low-boiling aliphatic ether, boiling point 55.2 °C at 1 atm, density 0.7405 g/mL at 20 °C, and dynamic viscosity approximately 0.35 mPa·s...
Pharmaceutical-Grade MTBE Specification Matrix: USP Reference Standard, Reag. Ph.Eur. Limits and ICH Q3C Class 3 in One Table Methyl tert-butyl ether (CAS 1634-04-4; molar mass 88.15 g/mol) is controlled simultaneously as an ICH Q3C Class 3 residual solvent with a permitted daily exposure of 50 mg/day, as a reagent in...
Electronic-Grade MTBE by SEMI Grade: G1 to G5 Metal Limits, Particle Counting and the Only Spec That Matters Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a branched aliphatic ether with a normal boiling point of 55.2 °C at 101.3 kPa, a closed-cup flash point of -28 °C, a vapour pressure...
MTBE Flash Point Minus 28 C and Explosion Limits 1.5-8.5 Percent: What It Changes Methyl tert-butyl ether, CAS 1634-04-4, is a branched aliphatic ether with molecular mass 88.15 g/mol, normal boiling point 55.2°C, and closed-cup flash point -28°C as determined by ASTM D56. Its published explosion limits are 1.5% to...
Methyl tert-butyl ether is a branched aliphatic ether with molecular formula C5H12O and molar mass 88.15 g/mol. In fuel oxygenate applications it was blended into reformulated gasoline at volume fractions up to 15% in the United States before widespread groundwater detections led to state-level bans and subsequent use restrictions. The...
This technical review addresses methyl tert-butyl ether (MTBE) in semiconductor manufacturing: photoresist stripping, precision cleaning and rework. The solvent is a branched C5 ether with a boiling point of 55.2 °C, a Tag closed-cup flash point of -28 °C, vapor pressure of 26.7 kPa at 20 °C, and water solubility...
Methyl tert-butyl ether (MTBE; CAS 1634-04-4) is synthesized by the liquid-phase reaction of isobutylene with methanol over a sulfonic-acid macroreticular resin such as Amberlyst 15. The exothermic process operates at 30–80 °C and 1.0–2.0 MPa, with methanol-to-isobutylene molar ratios of 1.0–1.2 to suppress dialkyl ether byproducts. The product has the...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4) functions as a nonpolar precipitant in solid-phase peptide synthesis (SPPS) after Fmoc/tBu cleavage. The use of MTBE in Solid-Phase Peptide Synthesis: Cold Precipitation at 0 C, 7-10 Volumes and the Washing Sequence provides an isolation route that avoids the higher peroxide hazard of diethyl...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is evaluated as a co-solvent with propylene glycol monomethyl ether acetate (PGMEA, CAS 108-65-6) in photoresist coating at a concentration of 25–30 wt%. MTBE is a low-boiling, low-viscosity ether with molecular weight 88.15 g/mol, boiling point 55.2 °C, density 0.7405 g/mL at 20 °C,...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a branched aliphatic ether with a molecular weight of 88.15 g/mol. The solvent is used in liquid–liquid extraction when a non-halogenated, low-density phase is required and when downstream analytical techniques cannot tolerate chlorinated background. Dichloromethane (DCM, CAS 75-09-2) is a halogenated alkane with...
Methyl Tert-Butyl Ether (MTBE): MTBE vs THF Peroxide Risk, Water Miscibility and Where Each One Actually Wins Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is evaluated against tetrahydrofuran (THF, CAS 109-99-9) on peroxide accumulation, water miscibility, and the process conditions under which each solvent is the better selection. Both are oxygenated...
The product safety profile of methyl tert-butyl ether (MTBE, CAS 1634-04-4) is best characterized through the comparison MTBE vs Diethyl Ether: Minus 28 C vs Minus 45 C Flash Point and the Safety Case. The closed-cup flash point split is immediate: MTBE is reported at -28 °C, while diethyl ether...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is employed in normal-phase preparative chromatography as a mid-strength modifier between n-hexane and ethyl acetate. The eluotropic strength values on unmodified silica gel are reported as 0.01 for n-hexane, 0.48 for MTBE, and 0.58 for ethyl acetate on the Snyder solvent strength scale. This...
The technical assessment of MTBE vs ETBE and Isooctane: Where a Fuel Additive Goes After the Ethanol Mandate is governed by four variables: oxygen content, Reid vapor pressure under ASTM D5191, water solubility, and regulatory exposure. Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a polar ether with a boiling point...
MTBE vs PGMEA in Photoresist Formulation: When MTBE Is Only a Co-Solvent In photoresist solvent systems where propylene glycol monomethyl ether acetate (PGMEA, CAS 108-65-6) serves as the primary dissolution, film-forming, and leveling base, methyl tert-butyl ether (MTBE, CAS 1634-04-4) is introduced only as a low-viscosity, low-boiling co-solvent. This role...
An evaluation of MTBE vs diethyl ether in peptide precipitation: 0 °C versus −20 °C, peroxide risk and cost begins with the solvent-property differences that govern precipitation yield, slurry filtration, and drying after acidolytic cleavage. The crude peptide is concentrated under reduced pressure and then precipitated by addition of a...
In solvent-intensive isolation of hydrophobic peptides, polyolefin fractions, and organometallic intermediates, MTBE is added as a low-boiling antisolvent to displace polar reaction media, depress solubility, and induce nucleation at controlled cooling rates. The product’s boiling point of 55.2 °C permits atmospheric or mild vacuum removal from filter cakes, but the...
MTBE vs PGMEA as a Photoresist Solvent: Evaporation Rate, Polarity and Why MTBE Stays a Co-Solvent Photoresist casting solvents for 248 nm and 193 nm chemically amplified resists are selected through spin-coating defect performance, polymer solubility, and post-apply bake retention. Methyl tert-butyl ether (MTBE, CAS 1634-04-4) and propylene glycol monomethyl...
MTBE in Groundwater: Why Some Gasoline Markets Banned It and What Importers Should Know Methyl tertiary-butyl ether (MTBE, CAS 1634-04-4) is a volatile ether oxygenate with molecular mass 88.15 g/mol, boiling point 55.2 °C, and density 0.740 g/cm³ at 20 °C. It was introduced widely as an octane enhancer and...
Methyl tert-butyl ether (MTBE), CAS 1634-04-4, molecular formula C5H12O, is a non-protic, highly flammable ether used in pharmaceutical chemical manufacturing as an extraction solvent and as a higher-boiling substitute for diethyl ether in organometallic workups. The substance has a molar mass of 88.15 g/mol, density of 0.740 g/mL at 20°C,...
Methyl Tert-Butyl Ether (MTBE) is exported as a flammable oxygenate with a fixed regulatory identity that must appear unchanged from the first purchase-order acknowledgement to the bill of lading. The MTBE Exporter Compliance Pack: One Checklist from Order to Bill of Lading treats the shipment as a single evidentiary chain,...
Pharma-grade MTBE (methyl tert-butyl ether, CAS 1634-04-4, molecular weight 88.15 g/mol, boiling point 55.2 °C) is a non-pharmacopoeial aliphatic ether used as a water-immiscible extraction solvent and azeotropic processing solvent in API manufacture. The documentation pack designated “Pharma-Grade MTBE Documentation Pack: COA Fields, Residual-Solvent Statement and DMF Support” is a...
Methyl tert-butyl ether (CAS 1634-04-4; 2-methoxy-2-methylpropane; C5H12O; molecular weight 88.15 g/mol) is produced at industrial scale by the liquid-phase addition of methanol to isobutylene over macroreticular sulfonic acid ion-exchange resin. Fixed-bed adiabatic reactors typically operate between 40 °C and 80 °C, with a methanol-to-isobutylene molar ratio near 1.05:1 to 1.2:1...
Electronic-grade methyl tert-butyl ether (CAS 1634-04-4) is treated in procurement as a high-purity, low-residue ether for cleaning, extraction, and carrier-fluid use in certain printed circuit board and microelectronic component fabrication operations. A quality agreement for this solvent is not a routine certificate of analysis; it must function as a bilateral...
Electronic-Grade MTBE Traceability: Batch Numbers, Retained Samples and the Change-Control Clause Electronic-grade methyl tert-butyl ether (MTBE), CAS 1634-04-4, is a high-purity ether solvent used in electronic-material synthesis, precision extraction, and photoresist polymer purification. The electronic-grade classification is not defined by a single issued monograph; it is controlled by customer-specific procurement...
Methyl tert-butyl ether (MTBE; CAS 1634-04-4) is assigned UN 2398, Class 3, Packing Group II and is loaded into 20 ft ISO tank containers certified to ISO 1496-3:2019. The custody-transfer density basis is 0.740 kg/L at 20°C, equivalent to 740 kg/m³, and is normally measured by ASTM D4052-18a. MTBE is...
At 20 °C and 101.3 kPa, methyl tertiary-butyl ether (MTBE, CAS 1634-04-4) is a low-density flammable ether with a density of 0.7405 kg/L under ASTM D4052, a closed-cup flash point of −28 °C under ASTM D56, and a boiling point of 55.2 °C under ASTM D86. The vapour pressure at...
Pharma-Grade MTBE Packaging: 150-160 kg Drums, Nitrogen Blanket and Clean-Fill Options is the standard line configuration for methyl tert-butyl ether intended for pharmaceutical extraction, peptide processing, and reaction solvent service. Methyl tert-butyl ether is CAS 1634-04-4, with a boiling point of 55.2 °C at 101.3 kPa, a liquid density of...
Electronic-Grade MTBE Packaging and Handling: 25 kg HDPE, IBC and Particle-Control Logistics Electronic-grade MTBE is received, packaged, and transferred as a low-boiling flammable oxygenate with a density of 0.7404 g/mL at 20 °C and a closed-cup flash point of -28 °C. Density is determined by ASTM D4052-22; flash point is...
MTBE price per tonne 2026: the grade spread from fuel grade to electronic grade is not a single quotation but a specification-dependent range. Methyl tert-butyl ether (CAS 1634-04-4) is a volatile polar ether used as an oxygenate, extraction solvent, and chemical intermediate. Its price per tonne in 2026 cannot be...
MTBE Cost Model: C4 Feedstock, the 650 kg Isobutylene Ratio and the Export Window Across a representative methyl tert-butyl ether unit fed by mixed C4 raffinate, the MTBE Cost Model: C4 Feedstock, the 650 kg Isobutylene Ratio and the Export Window is applied as a screening framework for variable-margin boundaries....
Methyl tert-butyl ether, also known as MTBE and identified by CAS 1634-04-4, is the branched ether formed by the catalytic addition of methanol to isobutylene. Neat MTBE has a normal boiling point of 55.2 °C, a closed-cup flash point of -28 °C, a density of approximately 0.740 kg/L at 20...
Methyl tert-butyl ether (MTBE; CAS 1634-04-4) is traded in three specification bands for 2026. The benchmark MTBE Price by Grade 2026: Industrial 5,800-8,200, Pharma 5,700-7,550, Electronic 7,000-7,500 CNY per Tonne summarizes the procurement range rather than a single clearing price. The physical profile of MTBE—boiling point 55.2 °C at 101.3...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a branched aliphatic ether with molecular formula C5H12O, molar mass 88.15 g/mol, normal boiling point 55.2 °C at 101.3 kPa, density 0.7404 g/cm³ at 20 °C, closed-cup flash point −28 °C, and vapour pressure approximately 27 kPa at 20 °C. Commercial MTBE is...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a tertiary ether with a boiling point of 55.2 °C, freezing point of −108.6 °C, flash point of −28 °C closed cup, vapour pressure of 26.8 kPa at 20 °C, and water solubility of approximately 4.2 g/100 mL. Merchant MTBE produced by isobutylene...
The MTBE Grade Premium Ladder: What You Actually Buy Between 99.0 Percent and 99.99 Percent At 20 °C, methyl tert-butyl ether (CAS 1634-04-4) has a density of 0.7405 g/cm³ and a normal boiling point of 55.2 °C. These bulk constants remain effectively unchanged across commercial grades, but the impurity budget...
Can You Get an MTBE Sample? Hazardous Sampling Rules and a Cost Checklist Acquisition of methyl tert-butyl ether (CAS 1634-04-4) for method validation, fuel-blend certification or environmental investigation is controlled by Class 3 flammable-liquid transport rules and petroleum sampling practice. MTBE is a low-boiling oxygenate with a closed-cup flash point...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a branched ether produced by the equilibrium-limited reaction of methanol and isobutylene over a macroreticular sulfonic acid ion-exchange resin. In gasoline formulation, MTBE is detected and quantified in finished spark-ignition fuel under ASTM D4815-21, and neat MTBE purity is evaluated by gas chromatography...
From Inquiry to Bill of Lading: An MTBE Order Process Timeline and Document Checklist Methyl tert-butyl ether, identified by CAS 1634-04-4, is handled as a flammable oxygenate with a boiling point of 55.2 °C at 101.3 kPa, a density range of 0.740–0.746 g/cm³ at 15 °C, a flash point of...
Pharmaceutical-Grade MTBE Buyer FAQ: 20 Questions from Formulators and CDMOs Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is used in pharmaceutical processing as a liquid-liquid extraction solvent, a peptide precipitation medium, and a workup solvent for organometallic reactions. The term “pharmaceutical grade” for MTBE is supplier-defined rather than compendial: no USP–NF,...
Electronic-Grade MTBE Qualification Pack: Pilot Batch, Analysis Report and Line Trial Checklist establishes a three-stage release protocol for methyl tert-butyl ether intended for high-purity solvent applications where moisture, trace metals, acidity, non-volatile residue, and peroxide-forming species must be controlled below conventional fuel-grade limits. MTBE is a branched aliphatic ether with...
MTBE Sample to Bulk for Regulated Buyers: Hazardous Sampling, Courier Limits and the Approval Path Methyl tert-butyl ether is not handled as a generic solvent; it carries the single transport entry UN 2398, Class 3, Packing Group II, with a closed-cup flash point near -10 °C, an initial boiling point...
Methyl tert-butyl ether (MTBE), CAS 1634-04-4, is manufactured across Chinese C4 processing sites by the liquid-phase addition of methanol to isobutylene over sulfonic acid ion exchange resin. The molecule has a normal boiling point of 55.2 °C, a molecular weight of 88.15 g/mol, a density of approximately 0.740 g/cm³ at...
MTBE Suppliers by Grade and Region: A Source Directory Index The directory of methyl tert-butyl ether (MTBE) is indexed by grade and region to separate fuel oxygenate tonnage from high-purity solvent and chemical intermediate flows. CAS 1634-04-4 is supplied as gasoline blending grade, chemical intermediate grade, high-purity solvent grade, and...
An evaluation of **MTBE Wholesale and Trial Orders from a China Supplier: MOQ, Packaging and Cost Sheet** starts with the physical and regulatory constraints of the molecule itself. Methyl tert-butyl ether (MTBE; CAS 1634-04-4; UN 2398) is a branched aliphatic ether produced by the selective etherification of isobutylene with methanol...
Qualified Vendor Registration for Methyl Tertiary Butyl Ether MTBESuppliers: What Buyers Ask Before Approval is a controlled technical review that begins with physical identity and process capability rather than commercial preference. The material, CAS 1634-04-4, has a molar mass of 88.15 g/mol, boiling point 55.2 °C at 101.3 kPa, density...
Methyl Tert-Butyl Ether (MTBE) Distributor and Agent Partnerships: Territory Terms and Compliance Allocation Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a low-viscosity ether oxygenate with a normal boiling point of 55.2 °C, a flash point below -28 °C, and an oxygen mass fraction of approximately 18.2 wt %. The compound...
How to Tell If an MTBE Supplier Is a Producer or a Trader MTBE, CAS 1634-04-4, has a molecular mass of 88.15 g/mol, a boiling point of 55.2 °C at 101.3 kPa, and a closed-cup flash point of −28 °C when tested under ASTM D56. In gasoline blending, its blending...
Methyl tert-butyl ether (MTBE), CAS 1634-04-4, is a low-boiling ethereal solvent with boiling point 55.2 °C at 101.3 kPa, density 0.7405 g/mL at 20 °C, and water solubility of approximately 4.2 g/100 mL at 20 °C. In pharmaceutical manufacturing, MTBE is used primarily in extraction and phase separation where its...
Evaluation of a methyl tert-butyl ether supplier for electronic grade: sub-ppb metals and SEMI C37 evidence begins with the recognition that MTBE (CAS 1634-04-4) is a volatile peroxide-forming solvent with a boiling point of 55.2 °C and a flash point of -28 °C. In semiconductor manufacturing, the solvent is used...
Methyl tert-butyl ether (MTBE) is listed under UN 2398 in ADR Table A, the IMDG Code Dangerous Goods List and IATA DGR 4.2 as a Class 3 flammable liquid, Packing Group II. The audit scope for the MTBE Export Supplier: UN 2398 Dangerous Goods Handling and Packing Certificates begins with...
MTBE Suppliers in India, the US and the EU: A Cross-Border Sourcing Comparison requires a coordinated evaluation of assay, impurity thresholds, transport compatibility, and regulatory registration rather than a simple price-per-metric-tonne ranking. Methyl tert-butyl ether is assigned CAS 1634-04-4, molecular formula C5H12O, and molecular mass 88.15 g/mol. Commercial material is...
Pharmaceutical-Grade MTBE Suppliers: 12 Audit Questions for a GMP-Adjacent Solvent Methyl tert-butyl ether (MTBE, CAS 1634-04-4) is a low-water-solubility dialkyl ether with a boiling point of 55.2 °C, a closed-cup flash point of -33 °C, and a density of 0.740 g/cm³ at 20 °C. Pharmaceutical and fine-chemical processing employs MTBE...
Electronic-Grade MTBE Suppliers in China: Who Runs a Real Purification Line and Who Resells? Electronic-grade methyl tert-butyl ether (MTBE) occupies a narrow position in high-purity solvent logistics. The molecule is produced at large petrochemical scale by the etherification of isobutylene with methanol over a sulfonic acid ion-exchange resin. Industrial-grade MTBE...
An assessment of MTBE Manufacturers in China 2026: Capacity, Feedstock Route and Export Capability requires separation of nominal capacity from the dispatchable capacity that reaches coastal export terminals and domestic gasoline blend pools. Methyl tertiary-butyl ether (MTBE, CAS 1634-04-4) is synthesized by the liquid-phase reaction of isobutylene with methanol over...
Methyl tert-butyl ether (MTBE, CAS 1634-04-4, EC 216-653-1) is an acyclic ether with a boiling point of 55.2 °C, a flash point of −28 °C, and an oxygen content of 18.15 wt%. In Chinese supply chains, the sourcing phrase “Top MTBE Manufacturers in China: A Verified List and How to...
To map MTBE producers in China, the decisive variable is not etherification capacity but feedstock control: who owns the isobutylene and who buys C4. Chinese MTBE capacity is structured less around etherification technology than around C4 feedstock ownership. The owner of the isobutylene molecule—whether a refinery gas plant, a naphtha...
Methyl Tertiary Butyl Ether MTBE Plant Scale and Turnaround: Reading Public Outage Data Before You Commit. The product is methyl tert-butyl ether (MTBE, CAS 1634-04-4), a branched C5 ether produced by liquid-phase acid-catalyzed addition of methanol to isobutylene. It has a molar mass of 88.15 g/mol, a normal boiling point...
Among bulk fuel ethers, methyl tert-butyl ether (MTBE; CAS 1634-04-4) occupies a narrow specification band because it functions simultaneously as a high-octane gasoline component and as a water-sensitive polar oxygenate. The procurement decision addressed here is MTBE factory direct vs trader supply: contract and liability comparison. Factory direct means the...
MTBE Manufacturer Verification: Licence, Capacity and Certificate Check Sheet Methyl tert-butyl ether (CAS 1634-04-4, EC 216-653-1) is a branched aliphatic ether with molar mass 88.15 g/mol, density 0.7405 g/cm³ at 20 °C, normal boiling point 55.2 °C, and closed-cup flash point -28 °C. Industrial production is dominated by the liquid-phase...
Commercial methyl tert-butyl ether (MTBE) directed into OEM and private-label supply channels is usually procured as bulk oxygenate from refinery etherification units, merchant traders, or petrochemical terminals. The material is not reformulated; responsibility shifts to the repacker at the moment the bulk lot is split into smaller packages. Repacking formats...
Methyl tert-butyl ether (CAS 1634-04-4) is a branched dialkyl ether with a normal boiling point of 55.2 °C, a density of 0.740 g/cm³ at 20 °C, a closed-cup flash point of -28 °C, and a water solubility of 4.8 g/100 g at 20 °C. The sourcing phrase “MTBE Manufacturers with...
MTBE Manufacturers for Peptide and Pharma Buyers: Grade Claims, Batch Data and Audit Readiness At −20 °C to 4 °C, methyl tert-butyl ether (MTBE, CAS 1634-04-4) functions as a precipitation antisolvent for side-chain-deprotected peptides after trifluoroacetic acid cleavage. The solvent displaces cleavage scavengers and residual trifluoroacetic acid from the precipitated...
