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HS Code |
890426 |
| Cas Number | 4437-85-8 |
| Molecular Formula | C7H14O3 |
| Molecular Weight | 146.18 g/mol |
| Appearance | Colorless liquid |
| Odor | Mild |
| Boiling Point | 180-183°C |
| Density | 0.990 g/cm³ (at 25°C) |
| Refractive Index | 1.406 (at 20°C) |
| Solubility In Water | Insoluble |
| Flash Point | 68°C (closed cup) |
| Vapor Pressure | 0.19 mmHg (at 25°C) |
As an accredited Ethyl Butyl Carbonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Ethyl Butyl Carbonate is supplied in a 1-liter amber glass bottle with a secure screw cap, labeled with hazard symbols. |
| Shipping | **Ethyl Butyl Carbonate** should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture and incompatible materials. It must be transported following applicable regulations, such as DOT or IATA guidelines, and stored in a cool, well-ventilated area away from heat and ignition sources. Appropriate hazard labeling and documentation are required. |
| Storage | Ethyl Butyl Carbonate should be stored in a cool, dry, well-ventilated area, away from heat, sparks, and open flames. Keep the container tightly closed when not in use. Store away from incompatible substances such as strong acids, bases, and oxidizers. Use only with adequate ventilation and avoid prolonged exposure to light, as it may degrade the chemical. |
Applications of Ethyl Butyl Carbonate in Industrial ManufacturingEthyl Butyl Carbonate is a specialty carbonate ester widely used as a high-purity solvent, co-solvent, or process additive across advanced material manufacturing, electronics, and fine chemical sectors. Its specific physicochemical profile suits demanding production environments requiring high solvency, low toxicity, and process stability. As a direct producer, we understand practical downstream integration based on actual customer use cases and prevailing industry benchmarks. 1. Lithium-Ion Battery Electrolyte BlendingIn battery manufacturing, formulators incorporate ethyl butyl carbonate as a low-viscosity co-solvent to enhance lithium salt dissociation and improve electrochemical stability, supporting cycle life and low-temperature performance. The product’s role focuses on reducing internal resistance and suppressing electrolyte decomposition, ensuring efficiency for high-capacity energy storage cells used in automotive and electronic applications. Industry compliance standards
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2. Semiconductor Photoresist Stripper FormulationsSpecialty electronic-grade carbonate esters function as core components in advanced wet-process semiconductor fabrication, where ethyl butyl carbonate is employed for its outstanding ability to weaken baked resist films while minimizing substrate corrosion and ionic contamination. This property positions it for maximum yield preservation on silicon and compound wafer lines. Industry compliance standards
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3. High-Purity Solvent for Specialty CoatingsIn high-end coatings, ethyl butyl carbonate provides controlled evaporation and improved film uniformity, making it effective for polysiloxane and fluoropolymer-based anti-corrosion and barrier coatings. Its low residual odor level, miscibility, and absence of reactive impurities support compliance with strict requirements for electronic enclosure and chemical processing equipment paints. Industry compliance standards
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4. Precision Cleaning Agents for Aerospace ComponentsIn parts cleaning and degreasing for aerospace assemblies, ethyl butyl carbonate is valued for its ability to remove complex organics, silicone residues, and light oils without contributing to stress corrosion or leaving non-volatile traces on high-specification alloys. Its low surface tension enhances soil penetration, supporting pre-assembly and critical quality steps in maintenance and new part production. Industry compliance standards
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5. Intermediate for Pharmaceutical SynthesisManufacturers select ethyl butyl carbonate as a reagent or intermediate in the synthesis of active pharmaceutical ingredients and fine intermediates, where controlled carbonate exchange or selective alkylation is required. Its use addresses reaction steps demanding high-purity and trace-residue accountability, especially where conventional carbonates prove too reactive or incompatible. Industry compliance standards
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6. Additive in High-Performance Inkjet InksFormulation chemists in the digital printing sector incorporate ethyl butyl carbonate in pigment and dye-based inkjet inks to optimize droplet formation, printhead reliability, and rapid solvent evaporation. Its specific viscosity and release profile support fine line definition while reducing the occurrence of print defects in industrial print-on-demand and variable data systems. Industry compliance standards
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Here on the shop floor, we see Ethyl Butyl Carbonate in action every day. Years of hands-on production taught us the difference between lab formulas and real-world quality. We measure that difference in every drum we ship. Our Ethyl Butyl Carbonate, manufactured to exacting in-house standards, offers a purity and consistency that reflects the skill of teams with years behind reactors, not just sales pitches. This product doesn’t just aim for clear specs—it demonstrates stability with every batch through clear, reliable assay numbers and tightly controlled impurity profiles.
From discussions with downstream users and our own R&D partners, it’s easy to see how Ethyl Butyl Carbonate earns its place as a preferred choice for specialty solvent requirements. Working in crowded synthesis spaces, producers count on solubilizing power that won’t introduce untracked reactivity or foul byproducts into their process. Our routine GC and NMR testing verifies that the profile of Ethyl Butyl Carbonate enables distinct solvency paired with predictable evaporation rates and no hidden surprises during scale-up.
Lab teams trying to push yields or purity in fine chemical intermediates will sometimes compare ethyl esters head-to-head. Ethyl Butyl Carbonate stands out for its lower toxicity and manageable odor profile—properties that shift from minor details to practical advantages in enclosed plants or labs without heavy ventilation. We see repeat orders from users who switched away from more volatile or less stable carbonates, citing easier handling, less chance of uncontrolled decomposition, and less equipment fouling over time.
Real production faces real-world variance: supply chain disruptions, fluctuating feedstock quality, and unpredictable weather near sites. In our experience, tight specification doesn’t just mean analytical assurance; it’s about risk reduction. Our Ethyl Butyl Carbonate targets colorless to pale yellow liquid appearance, low water by Karl Fischer testing, and minimal acid values. Every tank passes through checks designed to limit both total and individual impurity content. These values mean less re-processing, fewer out-of-spec batches downstream, and consistent response in customer analytics, saving both time and waste.
Manufacturing for compliance standards isn’t just a box to check—it’s a necessity our regulators follow up on, sometimes unannounced. Our decades of environmental monitoring inform how we manage biphasic residues and off-gas streams during Ethyl Butyl Carbonate production. Downstream, users tell us our process improvements matter, since residues left on equipment after cleaning runs can raise disposal costs and worker exposure risk. By pursuing cleaner synthesis routes and investing in closed-loop recycling for mother liquors, we’ve reduced batch-to-batch variability and lessened total process waste.
The growing demand for safer, less hazardous chemicals is reflected yearly in customer orders. Ethyl Butyl Carbonate exhibits a comparatively high flash point among comparable alkyl carbonates, which benefits storage and transport safety. The less aggressive vapor profile cuts inhalation risk in bottling lines and mixing tanks. In controlled industrial use, the breakdown products are more manageable than those of some oxygenated solvents, lowering downstream wastewater treatment requirements and clean-up costs.
Some large-volume customers, especially in inks and coatings, share performance feedback over long-term supply contracts. Over extended trial periods, substituting Ethyl Butyl Carbonate into blends formerly dominated by methyl or ethyl carbonates led to measurable gains. Not only was evaporation control improved, but reduced solvent loss and less migration through packaging liners became clear. These improvements matter in high-throughput print lines where solvent ratios get adjusted throughout shifts and downtime means lost revenue.
Adhesive manufacturers also report improved workability with certain resin systems. Ethyl Butyl Carbonate supports stable viscosities at ambient temperatures, which reduces the need for reactive additives or thixotropic agents. Our QC team tracks customer-reported complaints around drying speed. The product maintains a middle ground: not too slow for broad spray operations, not so fast that trapped gases blister coatings. This versatility echoes back to our original product development meetings—aiming not to chase every new application, but to address those core problems users face shift after shift.
We rarely hear questions about whether Ethyl Butyl Carbonate ‘can work’ in a given formulation. More often, customers want to know how it behaves under pressure, heat, or shear, and how it responds to contamination. Field visits with formulators show the value of high-purity carbonate: less yellowing in UV-cured coatings, consistent gloss in automotive finishes, and fewer stability failures on aging shelves.
Our chemists also field questions about compatibility with plasticizers, surfactants, and antifoaming agents. Ethyl Butyl Carbonate holds up in blend trials, keeping clarity and contributing minimal odor even when used at higher loadings. These features help new formulas hit regulatory targets or pass sensory tests for consumer contact points, such as electronics enclosures or wearable items.
Ethyl Butyl Carbonate often gets compared to other dialkyl carbonates—methyl, ethyl, propyl, or larger chain variants. Users familiar with Dimethyl Carbonate notice lower volatility and better odor handling, which suit sensitive areas or enclosed filling lines. Ethylene Carbonate, conversely, brings higher polarity and boiling point, but greater viscosity and solidification risks outside warm climates or heated tanks.
The butyl moiety in Ethyl Butyl Carbonate gives a critical balance: enough molecular weight for controlled evaporation and solvency, but not so bulky that residue or incomplete removal becomes a headache. Compared to Butyl Acetate or similar ethers, our carbonate offers less tendency to form peroxides or cross-react with reactive resins, translating into both safer storage and smoother batch-to-batch repeatability.
Our customers operate in highly regulated environments, from cosmetics to electronics. Our process documentation helps confirm origin and traceability down to raw material batches. This level of transparency not only simplifies compliance with regional rules but establishes our credibility during audits and field reviews.
End-users looking to boost sustainability scores or lower hazardous air pollutants have found in Ethyl Butyl Carbonate a suitable swap for solvents on government ‘watch lists.’ Unlike halogenated options or more aggressive esters, it does not contribute to ozone depletion and remains non-halogenated. Plant managers who have changed to this carbonate have mentioned process simplification, as controlling emissions and waste disposal becomes more straightforward.
Mistakes happen in chemical manufacturing, and hearing genuine feedback from downstream plant operators keeps our process sharp. In past years, some shipments arrived with trace water content above customer tolerance. We took those complaints directly to our reactor and packaging designs, installing continuous in-line dryers and dedicated nitrogen blanketing for the finished product holding tanks. These fixes cost us time and resources, but since then, we have recorded a steady drop in out-of-spec shipments and boosted repeat business.
We found that some users running high-throughput blending lines saw trace acid numbers above their normal cut-off during seasonal temperature changes. Addressing these concerns meant revamping both storage protocols and recalibrating on-site QC testing to catch hidden hydrolysis events. Rather than rely on a spec sheet alone, we committed to ongoing dialogue and data-sharing, putting accepted problems into long-term tracking rather than waving away isolated complaints.
Experience here teaches that high-quality product starts not in the lab but with expert plant teams tracking every feed and every reaction step. Tracing the evolution of Ethyl Butyl Carbonate from pilot to full-scale production required countless batch optimizations and rigorous operator training. While other products may claim purity by certification, we’ve seen the real benefit of improved batch integration and minimized cross-contamination, especially when producing back-to-back lots for demanding end-users.
Equipment maintenance plays just as key a role as skilled chemistry. Bearing seals, filtration cartridges, and agitation rates all influence outcome. Investing in predictive maintenance and quick-turn dock management allows us to fill orders with reduced downtime, meaning fresher product leaves our site and less risk of long, uncontrolled storage. Our direct feedback lines with bulk transport and drumming contractors close the quality control loop, so product reaching customer sites reflects both analytical data and practical, real-world usability.
Some competitors treat Ethyl Butyl Carbonate as a check-box item in broad catalogs. Our view is different: each plant, each batch, each season brings unique realities. Getting feedback on viscosity changes across temperature swings, examining residue left on process tank walls after long blends, and dissecting the aroma profile through human testing allows us to tune both process and quality.
For example, a customer moving from semi-manual bottling to full automation saw product jamming in new filling lines. Working together, we modified the shipment lots with narrower viscosity control and ramped up in-tank filtering during drumming. Downtime and waste dropped. Our best innovations are not always chemistry—they come from a willingness to listen, adapt, and revisit accepted standards.
Looking ahead, driving value with Ethyl Butyl Carbonate means more than meeting current purity grades. As supply chains grow more complex, traceability and data transparency grow in importance. Our investments in digital batch recordkeeping, on-demand data access for client auditors, and remote viewing of quality control footage all build confidence with discerning customers.
Customers in plastics upcycling and novel battery technologies ask about closed-loop sourcing and recyclability. Our technical and sustainability teams are running trials with biogenic feedstocks for future lots, balancing cost, availability, and performance alongside regulatory acceptance. The journey is not straightforward—costs rise, learning curves stay steep—but the demand for products both high-performing and made with respect for resources only grows stronger. Ethyl Butyl Carbonate stands as an adaptable player in this evolution.
Professionals trust Ethyl Butyl Carbonate not because of a spec sheet but because of long-term reliability in their own operations. Everything from clean odor, manageable safety profile, steady evaporation, and ease of downstream handling built this trust. Sandwiched between competing solvents, it brings a practical set of advantages not just for those who run reactors, but for teams who clean tanks, maintain bottling lines, and manage regulatory submissions.
The unique experience of manufacturing and delivering Ethyl Butyl Carbonate gives us a solid grasp on what matters—minimizing downtime, ensuring safe working conditions, delivering consistent results, and building feedback-driven relationships. Everyday dedication to these values shapes the carbonate product now in use at facilities worldwide. For those searching for a solvent with real-life backing, not just a lab-grade promise, our commitment stands behind every container we ship.