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1,1,3-Trimethoxypropane

    • Product Name 1,1,3-Trimethoxypropane
    • Alias Trimethyl orthoformate
    • Einecs 214-694-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    102959

    Name 1,1,3-Trimethoxypropane
    Cas Number 102-52-3
    Molecular Formula C6H14O3
    Molecular Weight 134.17 g/mol
    Appearance Colorless liquid
    Boiling Point 154-156 °C
    Melting Point -70 °C
    Density 0.95 g/cm3 (20 °C)
    Refractive Index 1.396-1.398
    Flash Point 45 °C
    Solubility In Water Miscible
    Pubchem Cid 7928

    As an accredited 1,1,3-Trimethoxypropane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1,1,3-Trimethoxypropane is packaged in a 500 mL amber glass bottle with a secure, leak-proof cap and hazard labeling.
    Shipping 1,1,3-Trimethoxypropane should be shipped in tightly sealed, chemical-resistant containers, protected from moisture and incompatible substances. Transport in accordance with local, national, and international regulations for chemicals. Label containers clearly, include safety data sheets (SDS), and ensure appropriate hazard labeling. Keep away from sources of ignition and store in cool, ventilated areas.
    Storage 1,1,3-Trimethoxypropane should be stored in a cool, dry, well-ventilated area, away from direct sunlight, ignition sources, and incompatible substances such as strong oxidizers. Keep the container tightly closed when not in use. Store in a chemical-resistant container and ensure proper labeling. Avoid exposure to moisture. Follow all applicable safety protocols and local regulations for chemical storage.
    Application of 1,1,3-Trimethoxypropane

    Applications of 1,1,3-Trimethoxypropane in Industrial Manufacturing

    As the direct manufacturer of 1,1,3-Trimethoxypropane, we support specialized industrial clients seeking high-purity intermediates for production processes. Below, we outline the established downstream application fields where this material is used based on concrete industry practice.

    1. Solvent Component in Specialty Organic Synthesis

    Leading fine chemical producers utilize 1,1,3-Trimethoxypropane as a polar aprotic solvent or reaction medium for challenging multi-step syntheses, including alkylation, acetalization, or protection reactions where minimal side products and high selectivity are critical. Consistent purity enables predictable yields, while the ether-like nature facilitates solubility for specialty substrates. The compound regularly appears in value-added reactions for fragrance intermediates, pharmaceutical building blocks, and advanced agrochemical actives.

    Industry compliance standards

    • ISO 9001:2015 for quality management systems in fine chemical manufacture
    • REACH Regulation (EC) No 1907/2006 registration for solvents in European Union markets
    • Chemical Control Law and CSCL compliance for use in Japan
    • Responsible Care global charter for process safety and environmental controls

    Typical usage ratio

    • Added at 2–12% by volume of total reaction mixture depending on required solvency and specific step in chemical sequence; process chemists assess loading according to substrate solubility and byproduct suppression needs

    Downstream process integration

    • Introduced directly to batch or continuous reactors as the primary or co-solvent prior to reagent charging and temperature ramping stages; recycled via solvent recovery units post-separation when contamination thresholds allow

    Final product types

    • Odorant and flavor intermediates for fragrance houses
    • Custom pharmaceutical intermediates (protected aldehydes, advanced esters)
    • Specialty agrochemical precursors

    2. Intermediate for Acetal Production in Resin Formulation

    Industrial resin producers incorporate 1,1,3-Trimethoxypropane in the synthesis of specialty acetals, particularly for crosslinking agents in thermoset and thermoplastic systems. The raw material’s precise methoxy structure enables formation of acetals with tunable hydrolysis resistance and compatibility with melamine, urea, and phenolic resin chains. Application proves essential for high-performance coatings, adhesives, and electronic encapsulants where prolonged stability under humidity and heat is required.

    Industry compliance standards

    • ASTM D6048–21 for volatile organic compound content in resins
    • EN 16516 for emissions from building-related materials in the EU
    • UL 94 for flammability testing of resin encapsulants
    • GMP guidelines for production equipment cleanliness to avoid batch cross-contamination

    Typical usage ratio

    • 0.5–3.5% by total monomer mass for acetal-based crosslinkers, depending on target resin performance; ratio adjusted based on catalyst loading and thermal curing profile

    Downstream process integration

    • Fed into acetalization reactors with polyol and acid catalyst, typically after pre-heating the reactor; isolation performed by distillation or aqueous workup, followed by incorporation into polymer kettles during prepolymer or post-addition stages

    Final product types

    • Crosslinked thermosetting coatings for automotive and electronics
    • Waterborne and solvent-borne adhesive resins
    • Electronic potting compounds

    3. Tertiary Solvent in Analytical Reagents Manufacturing

    Producers of high-precision analytical reagents employ 1,1,3-Trimethoxypropane as a tertiary solvent or as a stabilizer in liquid chromatography calibration standards. The substance’s low UV absorption and chemical inertness make it suitable for formulations where background interference and chemical degradation must be minimized, particularly for trace-level detection standards and sample preservatives.

    Industry compliance standards

    • ISO/IEC 17025:2017 for testing and calibration laboratory competence
    • Good Laboratory Practice (GLP) standards (OECD, US EPA, etc.)
    • Purity and residue limits set by ACS Reagent Grade and ASTM standards
    • Chemical inventory regulations under the US TSCA and EU REACH

    Typical usage ratio

    • Typically 0.2–1.5% by volume in analytical reagent formulations; the precise level determined by sensitivity requirements and chromatographic interference testing

    Downstream process integration

    • Blended with base solvent matrices during final solution preparation, following prefiltration and purity validation; aliquots dispensed into ampoules or pre-cleaned glassware for distribution to laboratory clients

    Final product types

    • Chromatography calibration standards (GC, HPLC, LC-MS)
    • Trace analysis reference solutions
    • Preservative solutions for high-sensitivity sample storage

    4. Aldehyde Protecting Reagent for Pharmaceutical Synthesis

    Active pharmaceutical ingredient (API) manufacturers utilize 1,1,3-Trimethoxypropane for the protection of aldehyde functional groups through acetal or ketal formation during multi-step synthesis of key pharmaceutical intermediates. This application protects against unwanted side reactions and allows for clean deprotection under controlled conditions, facilitating stringent impurity control and high reaction selectivity for regulatory submission batches.

    Industry compliance standards

    • ICH Q7 guidelines for Good Manufacturing Practice of APIs
    • Pharmaceutical Inspection Co-operation Scheme (PIC/S) GMP guidance
    • USP, EP, JP pharmacopoeia requirements for residual solvents and purity
    • FDA 21 CFR 211 for finished pharmaceutical process controls

    Typical usage ratio

    • Used at levels from 1.0–10.0 molar equivalents vs. reactive aldehyde; the exact charge depends on desired acetal stability and subsequent deprotection route

    Downstream process integration

    • Added in protection step following isolation of crude aldehyde in the process route, commonly under acid catalysis; deprotection performed post-core transformation using aqueous acid/controlled hydrolysis prior to final isolation

    Final product types

    • Pharmaceutical intermediates for cardiovascular, CNS, and anti-infective APIs
    • Batch-protected building blocks for peptide synthesis

    5. Chain-Length Regulator in Polyester Resin Manufacturing

    Producers of high-performance polyester resins and fiber intermediates leverage 1,1,3-Trimethoxypropane as a reactive chain-length regulator or modifier. By participating in transesterification reactions, it introduces controlled branching and limits molecular weight increases during polycondensation, enabling the production of resins with tailored viscosity and processability. This role is especially valued in the manufacture of powder coating resins, specialty fibers, and film-forming resins demanding strict reproducibility.

    Industry compliance standards

    • ISO 14001:2015 environmental management for chemical processing
    • EN 71-3 on migration of elements for coatings resins used in children's products
    • FDA 21 CFR 175.300 for resin components in food-contact applications (where applicable)
    • RoHS Directive 2011/65/EU for electronics resin applications

    Typical usage ratio

    • Ranges from 0.7–5% relative to total monomer or acid equivalents; precise adjustment guided by target resin chain length and application-specific rheology needs

    Downstream process integration

    • Injected during esterification or polycondensation stage in polyester resin kettles, prior to final vacuum dehydration and pre-polymerization; integrated into process control system for batch reproducibility

    Final product types

    • Powder coating base resins
    • Modified polyester resins for hot-melt adhesives
    • Textile fiber intermediates
    • Polyester films for electronic and packaging applications
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    Certification & Compliance
    More Introduction

    Introducing 1,1,3-Trimethoxypropane: Precision Chemistry from the Source

    Understanding the Nature of 1,1,3-Trimethoxypropane

    At the bench and in the reactor, 1,1,3-Trimethoxypropane takes shape as a speciality ether that rewards careful hands and calculated minds. Years of hands-on production have shown us how each batch can hinge on the purity of incoming methanol and subtle temperature shifts during etherification. For serious chemists, a consistent supply is not a matter of convenience but of project continuity. Our long-standing manufacturing experience has taught us to trust in watertight process control rather than luck of the draw.

    As a clear liquid with a mild, distinctive odor, 1,1,3-Trimethoxypropane holds some unique capabilities. Its chemical formula sets it apart from other ethers in the laboratory and on the plant floor. Boiling at a moderate temperature, its volatility supports applications where both reactivity and gentle handling matter. We ship this product at >98% purity, verified by gas chromatography on every lot. Moisture, acidity, and byproduct monitoring are a routine, not an afterthought.

    Applications that Drive Real-World Value

    Process engineers and research chemists count on this molecule for several key uses. In the synthesis of flavors, fragrances, and specialty resins, the triple methoxy functionality opens routes closed to simpler ethers. One of the practical applications comes in acetalization and protection reactions in organic synthesis, where selectivity and yield often come down to the precise characteristics of the ether in use. From our vantage point at the reactor line, we've seen how the subtle reactivity of 1,1,3-Trimethoxypropane can cut reaction steps and improve downstream separation compared with dimethoxy analogs.

    In flavor manufacturing, its role as a building block delivers mild, fruity top-notes that define certain beverages and confections. Meanwhile, in the resin sector, formulators pick it for the controlled hydrophobicity and ether linkage, enabling tailoring of both mechanical strength and processability. Those who have tried alternatives like 1,2,3-Trimethoxypropane or its dimethoxy cousins often wrestle with decreased selectivity or hard-to-purify side fractions.

    Production at Source Means Control at Every Stage

    Manufacturing from the ground up, we have a direct line of sight from raw material sourcing through to final product packaging. Working with in-house distillation and purification, we reduce unknowns. This close control gives us the ability to monitor and quickly respond to shifts in feedstock quality or process yields—something that isn’t possible when cobbling batches from aggregated third-party sources.

    Our experience shows that trace impurities can show up in ppm levels with inconsistent distillation, so we check each step with gas chromatography and spectroscopic analysis. Key parameters such as color, purity, moisture, and sulfur compounds receive routine scrutiny. This real commitment to analytical data has saved more than one customer project from failure in the pilot plant or at full scale.

    We know customers who have encountered contamination or inconsistent supply from resellers. Equipment fouling, color changes, and off-odors trace back directly to upstream issues—a lesson learned over years in the business. Producing 1,1,3-Trimethoxypropane ourselves means we control the entire chain, not just the label.

    Differences That Matter for Chemists and Manufacturers

    From a working chemist’s perspective, not all ethers are created equal. 1,1,3-Trimethoxypropane stands out for its higher boiling point compared with dimethoxy ethers, making it a match where longer chain stability is necessary. The locations of the methoxy groups give the molecule a distinctive steric profile, which changes how it reacts under both acidic and basic conditions. Colleagues in synthetic labs sometimes remark that switching to this ether has improved their yields and cut their work-up time, thanks to lower side reactions.

    Looking at alternatives, we see distinctions in solubility, volatility, and functional group compatibility. Many bulk suppliers treat all these ethers as interchangeable. Hands-on experience tells us otherwise. A fast, exothermic protection reaction is easier to control with 1,1,3-Trimethoxypropane's more predictable emission profile. It doesn’t lead to equipment corrosion associated with more acidic byproducts either, which we can confirm from our maintenance records and customer feedback.

    The molecule’s triple methoxy substitution also introduces unique partitioning and compatibility properties. Compared to its closer cousin, 1,2,3-Triethoxypropane, our product brings lower molecular weight and greater miscibility with polar reactants, which matters in solvent systems or dual-phase extraction. Choosing the wrong ether is not a small problem—a failed batch or weeks of troubleshooting have real production costs. It’s for this reason that customers deep in the technical weeds return to 1,1,3-Trimethoxypropane when performance is non-negotiable.

    Why Traceability and Certification Make a Difference

    A lot can go wrong between a drum filled at the plant and a batch run in a distant facility. We trace lot numbers and production batches all the way through the supply chain. Each drum and ISO tank carries a certificate of analysis with real analytical numbers—purity, water content, and appearance—that match instrument-backed records in our database. More than one customer has called in relief after a previous supplier couldn't provide historical analysis or even the real source of the material. For us, traceability isn’t window dressing; it’s core manufacturing discipline.

    Over the years, our inbound audits and third-party ISO certification have led to greater discipline. We host customer inspectors, regulatory visits, and surprise audits without flinching. Close working relationships with regulators help us stay a step ahead of changing safety and documentation requirements. Shortcuts are not worth the lost trust, and we have the proven history to show it.

    Tackling Challenges in Modern Synthesis

    As process demands rise, chemists push reagents and solvents harder than ever. New routes in pharmaceuticals and fine chemicals call for ethers with steadier reactivity and higher thermal stability. Our own plant engineers have demanded tighter tolerances as they scale from lab glassware to specialty reactors running hundreds of liters. In conversations with R&D leads, the need for pollution prevention, minimized waste, and cleaner process separation comes up even more often than yield.

    Wastewater treatment presents problems when ethers break down into persistent contaminants; our own facility reduced emissions by shifting to closed-loop recovery and recycling. Every improvement on our side supports measurable sustainability upgrades on the customer end. Years of solvent recovery have validated that good starting purity and reliable process chemistry translate into easy downstream treatment. Our customers avoid headaches—catalyst fouling, product discoloration, or process upsets—because of these upstream choices.

    Looking to the Future: Innovation Driven by Direct Experience

    Decades watching market shifts, technical needs, and regulatory change have kept us alert. The recent demand for greener, safer solvents led us to retool lines for improved recovery, reduce hazardous emissions, and bump up energy efficiency. These aren’t theoretical upgrades. Plant teams contributed specific feedback after processing drums of 1,1,3-Trimethoxypropane through large-scale reactors. Lighter environmental impact and greater value per kilogram formed the milestones—not just regulatory compliance but practical production advantages.

    One of our biggest successes came when a resin manufacturer switched from a brokered ether to our specification. Downtime due to off-spec batches dropped, maintenance came down, and overall throughput increased over the course of a year. Technical support with direct access to the plant chemists—not just a sales rep—allowed for real troubleshooting and process optimization.

    We learn just as much from customer complaints as from purchase orders. Constructive reports on odors or process changes led us to upgrade our water purging systems, swap to higher grade drum liners, and recalibrate fill weights. Each increment might seem small on paper, but in practice, these improvements add up to more repeatable, cost-effective operations.

    Real Consequences: The Value of the Genuine Article

    Some believe that commodity chemicals are interchangeable if the label reads close enough. Anyone with real experience in running production knows the opposite. Lab mishaps, lost batches, and expensive process stoppages often trace right back to off-grade or improperly handled starting materials. The hands-on work of making 1,1,3-Trimethoxypropane taught us that there are no shortcuts in specialty chemistry.

    Every tank loaded for shipment reflects dozens of checks: from feedstock selection, to real-time reaction monitoring, to gas chromatograph signatures. Close relationships with trusted raw material suppliers prevent the upstream surprises that can ripple through inventories and end up in a failed synthesis. Having all this in-house—without passing through intermediaries—means control and accountability. Customers know the chemical reaches them in the state they expect, and support is one phone call to the actual production team.

    Some projects demand test-scale samples, and we routinely accommodate lab-scale lots for those who want to vet batches before ordering a tanker or a drum. On more than one occasion, feedback from these trials has driven us to tweak our purification steps, lower the moisture further, or speed up the analytical turnaround. The benefit isn’t abstract—it hits the bottom line in hours saved, waste avoided, and successful campaigns.

    Supporting Complex Projects Across Key Industries

    Working with scientists and engineers on technical transfers, we never lose sight of the fact that even a modest volume of the right ether can be the keystone in a much larger project. Pharmaceuticals companies select 1,1,3-Trimethoxypropane for protecting groups that hold up through multi-step synthesis. Paint and coatings manufacturers appreciate the improved stability and reduced off-gassing, thanks to cleaner distillation and lowered byproducts.

    In flavors and fragrances, the subtle nuances compound with other ingredients—one slight impurity, and a final batch can be off-spec. Our plant-based sensory panels contribute as much as the instruments in detecting and refining odor characteristics. Here again, direct experience and hands-on input make the difference, allowing customers to focus on formulation rather than troubleshooting the starting material.

    We work with customers in petrochemicals, agrosciences, and electronic chemicals who value not just supply continuity but technical partnership. Projects sometimes stall due to information gaps or the wrong chemical profile. Long-term, open exchanges between our technical teams and customer R&D speed up timelines and help solve persistent bottlenecks in new product development.

    Prioritizing Safety, Compliance, and Training Through Real Practice

    Making and handling ethers demands rigorous attention to safe practices. Our production teams receive continual training, not just on regulatory basics but on the lived realities of managing chemical hazards—flammable atmospheres, volatile spills, and pressure relief systems kept in top shape. Lessons learned from past incidents drive stronger protocols. We don’t learn safety compliance from a manual, but from roundtable debriefs and shared experience across shifts.

    Regular hands-on drills, equipment maintenance, and cross-checks with safety officers reinforce the plant culture. Sharing best practices with customers—down to the level of unloading procedures and drum storage—forms part of every supply contract. This helps prevent problems on the customer’s side and builds a safer, more informed community across the supply chain. We understand that a safe operation ensures uninterrupted processes and long-term value for all involved.

    Continuous Improvement: Building on the Foundation

    The production of 1,1,3-Trimethoxypropane at our facility is never truly finished. Every batch draws not just on the same recipe, but on years of data, trial, adjustment, and customer feedback. We value regular input from those who work with our material daily, both inside our plant and in the diverse applications worldwide. Our R&D programs take this information seriously, treating it as the fuel for the next round of upgrades, product enhancements, and technical documentation.

    We maintain open lines for urgent requests, custom specifications, and new grades as industries evolve. Customer demand for higher purity, stricter analytical documentation, or tailored delivery schedules calls for a responsive, hands-on approach. Some of our most significant innovations began as customer challenges, and we worked alongside technical teams to develop the right solution one variable at a time.

    The Manufacturer’s Perspective: Trust Built on Consistency

    To those buying chemicals for demanding synthesis or production, the real value reveals itself over time: consistent runs, no nasty surprises, better throughput, and strong technical support when difficulties surface. We stand behind each tank and drum of 1,1,3-Trimethoxypropane with more than a test certificate—we offer the shared experience of a team that has made, analyzed, delivered, and refined this material for years. Customers who visit the plant see the operation in action, review the real analytical reports, and talk directly to the people who made their product—not a sales office or call center.

    We don’t trade on marketing promises or generic specifications. Manufacturing knowledge, transparency, and direct accountability give our customers the reliability and control they need. Time and trust cement these relationships, and each shipment of 1,1,3-Trimethoxypropane reflects the real-world know-how that specialty chemical manufacturing demands.