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Propoxyethylene

    • Product Name Propoxyethylene
    • Alias Polyoxypropylene
    • Einecs 204-407-6
    • 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
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    Specifications

    HS Code

    768040

    Chemicalname Propoxyethylene
    Molecularformula C5H12O
    Molarmass 88.15 g/mol
    Appearance Colorless liquid
    Boilingpoint 101-103 °C
    Density 0.78 g/cm3
    Meltingpoint -89 °C
    Flashpoint 15 °C
    Solubilityinwater Slightly soluble
    Vaporpressure 50 mmHg (20 °C)

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

    Packing & Storage
    Packing Propoxyethylene is typically packaged in a 200-liter blue HDPE drum with secure sealing, labeled with hazard warnings and handling instructions.
    Shipping Propoxyethylene should be shipped in tightly sealed containers, clearly labeled, and compliant with local, national, and international regulations. Store and transport it in a cool, dry, well-ventilated area away from heat, sparks, and incompatible substances. Handle with protective equipment, and refer to the Safety Data Sheet (SDS) for detailed shipping and handling instructions.
    Storage Propoxyethylene should be stored in a cool, dry, and well-ventilated area, away from sources of heat, ignition, and direct sunlight. Containers must be tightly sealed and clearly labeled. The storage area should be equipped with spill containment and appropriate fire suppression systems. Store separately from oxidizing agents, acids, and other incompatible substances to prevent hazardous reactions.
    Application of Propoxyethylene

    Applications of Propoxyethylene in Industrial Manufacturing

    As a primary manufacturer of Propoxyethylene, we supply this vital intermediate to a focused set of specialized downstream sectors. Below, we detail the principal industrial applications where Propoxyethylene integrates into high-performance formulations, adhering to strict regulatory standards and end-product quality requirements.

    1. Non-Ionic Surfactant Synthesis for Detergent and Cleaning Formulations

    Propoxyethylene serves as a fundamental building block in non-ionic surfactant manufacturing, specifically for ethoxylate-propoxylate surfactant blends used in household detergents, I&I cleaning solutions, and industrial cleaning chemicals. Through controlled addition in alkoxylation reactors, it allows formulators to modulate product foam stability, wetting power, and solubility profiles to meet application-driven requirements. Strict compliance with REACH, TSCA, and regional detergent regulations governs its use through production. Downstream, manufacturers blend it with fatty alcohols or alkylphenols in batch or continuous reactors, introducing exact molar ratios of propylene oxide and ethylene oxide to achieve targeted HLB values. Such customization is key in the production of laundry detergents, hard surface cleaners, and food industry-approved cleaning agents.

    Industry compliance standards

    • EU REACH Regulation (EC) No. 1907/2006
    • US TSCA Inventory requirements
    • Detergent Regulation (EC) No. 648/2004 (Europe)
    • OECD test guidelines for environmental and health safety

    Typical usage ratio

    • Propoxyethylene content typically ranges from 10% to 40% by weight of total alkoxylate, depending on target HLB and foaming profile; formulators adjust the balance of ethylene oxide and propylene oxide according to surface activity and application end-use.

    Downstream process integration

    • Feeds directly into alkoxylation reactors post-fatty alcohol or alkylphenol addition under alkaline or acidic catalysis; sequential or random alkoxylation determines resulting surfactant architecture.

    Final product types

    • Heavy-duty liquid laundry detergents
    • Low-foam industrial cleaning agents
    • Manual dishwashing liquids
    • Food processing equipment cleaners (when paired with appropriate food-grade inputs)

    2. Polyurethane Rigid and Flexible Foam Production

    In the polyurethane sector, manufacturers incorporate this intermediate during polyol synthesis to influence foam elasticity, compatibility with flame retardants, and moisture resistance. European, North American, and Asian producers align with fire safety and chemical traceability protocols measured against ISO 9001, EN 71-3, and local building codes. Variation in ratio directly impacts the resulting foam’s density and mechanical integrity, calling for precise QC monitoring at each batch. Processing involves reaction with propylene oxide and/or ethylene oxide over a polyhydric initiator, forming block or random copolymer polyols, which are then polymerized with isocyanates in prepolymer or slab-stock foaming units. This allows end manufacturers to address performance in insulation, automotive seat cushioning, and construction panels.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management Systems)
    • EN 71-3 (Safety of Toys – migration of certain elements, for foams in toys)
    • UL 94 (Flammability of Plastic Materials)
    • REACH Annex XVII for restricted substances (Europe)

    Typical usage ratio

    • Propoxyethylene-based units constitute 15%–35% of total polyol feed depending on targeted flex modulus and resilience, with ratios adjusted per end-use (e.g., construction vs. flexible automotive foams).

    Downstream process integration

    • Incorporated during primary polyol synthesis, before formulation blending with isocyanates and catalysts in high-shear mix heads; direct addition to reactors enables controlled molar incorporation and viscosity management.

    Final product types

    • Rigid PIR insulation panels
    • Flexible automotive and furniture foam blocks
    • Spray foam insulation (closed and open cell)
    • Structural sandwich panels

    3. Oilfield Chemicals and Enhanced Oil Recovery (EOR) Agents

    Propoxyethylene enters oil & gas value chains as a functional group in specialized surfactants and demulsifiers for oilfield use, supporting wettability modification and emulsion stability control in EOR and drilling fluid systems. Stringent sectoral standards such as API Q1, ISO 14001, and national chemical registration protocols regulate its deployment in crude production. Downstream operators tailor the propoxyethylene content in polyether surfactants to modulate water-oil interfacial tension, essential in maximizing crude extraction and throughput in water flooding or chemical flooding operations. Controlled batch additions and in-line quality analysis guarantee consistency and field performance under variable salinity, pressure, and temperature conditions.

    Industry compliance standards

    • API Q1 (Quality Management for oil and gas)
    • ISO 14001 (Environmental Management Systems)
    • US EPA TSCA (where applicable in North America)
    • China MEE hazardous substance regulations

    Typical usage ratio

    • Polyether surfactants for EOR typically contain 20%–45% propoxyethylene units, with optimization based on oilfield conditions such as brine composition and crude type.

    Downstream process integration

    • Introduced during oxyalkylation of alcohol or phenol initiators (pre-blend stage); final surfactant is formulated offline and injected into wellhead or pipeline dosing units.

    Final product types

    • Oilfield wetting and demulsifier concentrates
    • Water-soluble drag reducing agents
    • Low-interfacial-tension surfactant blends for chemical flooding
    • Drilling mud additives

    4. Textile Auxiliaries for Fiber Processing and Dyeing

    The textile finishing industry uses propoxyethylene-based additives in leveling agents, fiber lubricants, and wetting agents to control dye uptake rate, improve fabric handle, and reduce processing time. Compliance with standards such as OEKO-TEX®, ZDHC Manufacturing Restricted Substances List, and China GB 18401 drives careful selection and traceability within textile chemical programs. Adjustable dosage supports compatibility with a range of natural and synthetic fibers, from cotton to polyester blends. Process-wise, manufacturers add it during the initial liquor preparation or as post-treatment agents in jet dyeing, padding, and mercerizing baths. Such use creates consistent shade, minimized streaking, and enhanced wash fastness in the final textiles.

    Industry compliance standards

    • OEKO-TEX® STANDARD 100
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals)
    • GB 18401 (China National General Safety Technical Code for Textile Products)
    • REACH Annex XVII (Europe, restricted chemicals in textiles)

    Typical usage ratio

    • Standard dosing ranges from 2%–8% based on fiber type, dye system, and tank size; values are fine-tuned during bulk runs and validated by color uniformity and mechanical stress tests.

    Downstream process integration

    • Added to aqueous bath at pre-scouring or main dyeing phase; in some operations, used as a finishing additive before drying and calendaring, ensuring even dispersion on fiber surfaces.

    Final product types

    • Cellulosic and synthetic dyed yarns
    • Ready-to-wear fabrics with improved drape and softness
    • Functional textile coatings for anti-static properties
    • High-fastness fabric blends for apparel and home textiles

    5. Construction Chemical Admixtures for Concrete and Cementitious Systems

    Propoxyethylene derivatives function as key components in the synthesis of polycarboxylate ether (PCE) superplasticizers, widely used to improve the workability, slump retention, and pumpability of fresh concrete. Producers observe EN 934-2 (Europe), ASTM C494 (US), and local building codes to maintain performance and safety in construction material supply chains. The typical formulation workflow involves controlled in-situ alkoxylation of acrylic acid polycarboxylate backbones, with propoxyethylene insertion controlling the side chain cloud point and dispersion effects. Varying the addition rate modulates final strength gain and compatibility with various OPC and blended cement types, supporting the production of ready-mix and precast construction segments with stringent mechanical and durability requirements.

    Industry compliance standards

    • EN 934-2 (Admixtures for concrete, mortar and grout – Concrete admixtures)
    • ASTM C494 (Standard Specification for Chemical Admixtures for Concrete)
    • GB 8076 (China Standard for Concrete Admixtures)
    • ISO 14001 (when required for construction chemicals with low environmental impact)

    Typical usage ratio

    • Propoxyethylene units represent 10%–25% of the total ether backbone in polycarboxylate polymerization; actual dosage in final admixture is calibrated within 0.1–1.2% by weight of cement content, depending on workability targets and cement class.

    Downstream process integration

    • Alkoxylation occurs during superplasticizer backbone synthesis via continuous or semi-batch addition, followed by neutralization and dispersion to produce liquid admixture concentrates for direct tank mixing at ready-mix plants or onsite.

    Final product types

    • PCE-based high-range water reducers
    • Self-compacting concrete mixes
    • High-strength precast components
    • Pumping admixtures for site delivery
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    Certification & Compliance
    More Introduction

    Propoxyethylene – Consistent Performance Backed by Firsthand Manufacturing Experience

    Developing Propoxyethylene: Commitment to Reliable Chemistry

    From the day our production line started, we've focused on compounds that deliver reliability batch after batch, and propoxyethylene stands out among those. We chose this chemical for its stability and versatility in a landscape where operational consistency saves time and budget for everyone down the road. Customers have come to us with requests to improve existing formulations in coatings, cleaners, and specialty chemicals. Close work with research and feedback from our customers gave us a window into how even subtle variations in propoxyethylene quality impact process yields and finished properties. By controlling raw material sourcing at the earliest stage and running periodic in-process checks, we have turned propoxyethylene into a core offering that competitive buyers now ask for by name.

    Specifications Built for Real-World Demands

    Propoxyethylene typically arrives in liquid form, clear and colorless, bearing a purity we maintain by routine gas chromatography. Customers who need tightly controlled water levels benefit from our proprietary drying run, which reduces moisture below thresholds that otherwise could lead to unwanted byproducts or process inconsistency. Many requests come with minimum assay requirements—often above 99%—so we’ve made those specifications standard rather than special-order. We keep viscosity, acid value, and hydroxy number within tight ranges after learning in the field how minor deviations can throw off surfactant performance or synthesis reactions. By using reactors lined for both acid and base sensitivity, we keep contamination at bay.

    How Propoxyethylene Stands Apart from Propylene Oxide and Ethylene Oxide Derivatives

    The lab tests and plant feedback make it clear that propoxyethylene brings a set of advantages its close relatives can’t always provide. Compared to ethylene oxide derivatives, propoxyethylene offers better resistance to hydrolysis—key for processes that run at higher pH or where end products need to maintain stability over time. Repeated use in customer formulas showed that products made with propoxyethylene, especially in polyether and surfactant synthesis, generally show higher tolerance for temperature fluctuation and fewer issues with yellowing or degradation.

    Propoxyethylene and propylene oxide both figure prominently in the world of polyols and surfactants, but our plant experience shows propoxyethylene results in less volatility during stirring and mixing, which supports safer, cleaner batch transfers. In pilot programs, customers shifting from propylene oxide derivatives to propoxyethylene frequently reported a more consistent molecular weight distribution in their final products. Paints and inks using propoxyethylene display more predictable flow properties and longer shelf life, while specialized adhesives benefit from its milder reactivity profile—which cuts back on foaming and unplanned crosslinking.

    Applications Shaped by Study and Dialogue

    Every new sector we supply has taught us something about performance and troubleshooting. Cleaning products manufacturers were among the earliest to approach us for propoxyethylene. Their feedback pointed to ease of blending, fast solubilization, and reliable emulsifying power as recurring themes. Since then, we’ve refined our process to produce propoxyethylene with a nearly neutral odor and minimal trace impurities, since strong odors or side products can foul batches or cause downstream complaints.

    Polyurethane formulators—especially those working in insulation foams or elastomers—depend on propoxyethylene for balanced flexibility and resistance to environmental stress. Testing at our own labs has shown that the characteristic linkage introduced by propoxyethylene imparts both low shrinkage and reduced embrittlement, especially under repetitive thermal cycling. That’s not something many alternative glycols or oxides offer at this price point.

    With epoxy resin producers, the conversation turns to reactivity. By integrating propoxyethylene, users get more predictable chain extension. In the coatings industry, both waterborne and solventborne systems benefit thanks to improved pigment dispersion and better gloss retention, findings that were only confirmed through regular collaboration with coatings formulators both domestically and overseas.

    Addressing Traceability and Reproducibility

    From the sample bench to the final batch, traceability matters. Our lab records have shown that running every propoxyethylene batch through a strict fingerprinting system reduces out-of-spec incidents across the supply chain. We document equipment cleaning, check incoming raw materials for aldehyde content, and post each batch's FTIR profile to customer portals. Only by maintaining this level of scrutiny did we find a recurring spot contamination with an earlier supplier of precursor oxides, which saved both sides in time and wasted material. Our traceability goes deeper than paperwork; each tank draw comes with retention samples logged, so repeat orders stay within one small margin of variation.

    Reducing Waste – Environmental Commitment from Manufacturing to End-User

    Over the years, environmental performance has moved from a side thought to a central concern. Our team participated in industry initiatives to recapture process vapors, which sharply reduces emissions compared to legacy operations. We've invested in solvent recovery and in closed-loop transfer systems that push both liquid efficiency and worker safety up. Partnering with users of propoxyethylene, we developed custom grades that require less purification upon arrival, slicing down the lifecycle energy required from beginning to end product. Plants that receive our shipments get technical sheets not just on hazards, but concrete data on best handling practices for reducing spills and waste.

    We have seen a real business impact from these upgrades too. Tightly sealed supply chains keep regulatory compliance tight and root out needless disposal costs. Wastewater leaving our site receives in-line monitoring for trace oxides, and quarterly audits put actual data in the hands of corporate and local authorities alike.

    Propoxyethylene in the Modern Marketplace—Customer Feedback Changes Everything

    Few things have shaped our production approach more than blunt feedback from technical managers and process engineers. Propoxyethylene, at one time, faced resistance from end-users wary of switching away from familiar glycols. Early studies and collaborative pilot runs with major automotive suppliers closed that gap. Time and again, we heard that adopting our propoxyethylene let plant technicians dial in reaction rates more easily and get more repeatable color in their plasticized products.

    Large detergent blenders reported quicker batch turnover and cleaner tanks due to propoxyethylene’s fast rinsing profile. Formulators who once faced pressure from quality control over batch shading or residue pull-out found themselves logging fewer downtime hours. Especially on continuous lines, these time savings translate into lower labor costs and less out-of-spec waste.

    Since direct dialogue with users often leads to new technical endpoints, we established a “voice of the customer” routine at our site. The feedback loop has led to tweaks in feedstock filtration and the addition of real-time pH reporting in our outgoing QA documents, so users can stay ahead of pH-sensitive applications.

    Challenges in Sourcing and Logistics—and Solutions Grown in the Field

    Moving a specialty chemical like propoxyethylene across borders or between regions can open the door to logistical headaches. Early on, we ran into issues with drum shortages, inconsistent transit storage temperatures, and ambiguities about UN numbers for international freight. We responded by switching to reusable, insulated tank containers and building in temperature loggers for every bulk shipment heading through zones with extreme climate swings. By reporting on those temperature excursions directly to the receiver, we helped customers pinpoint whether handling or transport interrupted product quality. On several occasions, sharing this data helped resolve claims and guided us to new packaging partners.

    Supplier volatility always challenges pricing and assurance of supply. By entering cooperative agreements with core oxide producers, our plant now holds enough safety stock to buffer most global supply chain hiccups. Deliveries come scheduled, and our own truck fleet manages regional runs for just-in-time delivery. In times of market shortage, our ability to maintain steady flow has won customers that previously spread business among multiple lower-volume traders.

    Defining a Reliable Production Process – Safety as Non-Negotiable

    Production of propoxyethylene brings its own hazards. From day one, our site approach never treated safety as a checklist. We retrain operators annually on the use and maintenance of personal protective equipment. Regular HAZOP (Hazard and Operability) studies guide every process modification, and real incident histories drive action plans—not just regulatory checklists. Since we added inline LEL (Lower Explosive Limit) detectors and custom air extraction at the mixing stages, near-miss counts dropped sharply and batch restart rates improved noticeably. Continuous monitoring not only protects our team, but the learning gained from incidents strengthens every stage of the chain.

    Visitor logbooks and operational cameras build accountability, as do regular, unannounced audits from both internal quality and customer representatives. Openness about root-cause findings wins more trust than polished presentations ever could.

    Market Trends: Where Propoxyethylene Is Heading

    Market dynamics will always throw periodic curveballs. Over the last decade, customers in coatings, adhesives, textiles, and cleaners have pushed us to meet growing demand for low-VOC (volatile organic compound) and high-performance, eco-friendly ingredients. Propoxyethylene aligns well with this trend. Recent project partnerships shifted to waterborne formulations, where its high reactivity and moderate molecular weight support better dispersibility and less reliance on auxiliary cosolvents.

    We see the fastest pickup in regions moving more aggressively on green standards—both regulatory and market-driven. Teams focused on automotive interiors, electronics encapsulation, and packaging now regularly place requests for higher-purity and specialty forms, including both stabilized and unstabilized types. This expansion follows a pattern we witnessed after long engagement with spec chem users moving from batch to continuous systems: Propoxyethylene’s compatibility with both legacy and advanced process hardware keeps the transition straightforward and cost-effective.

    Reducing Unexpected Downtime—Field Tech and Remote Assistance

    We’ve learned that even a stable product faces mishaps during use. Often the call does not begin with a technical specification but with a line stopped mid-run and an urgent request for troubleshooting. Our team is set up for exactly that—24-hour field tech and remote monitoring advice. Not every incident relates to the propoxyethylene batch—in fact, upstream process changes or operator swaps are common culprits. Yet, having the technical file on every lot ready to hand, and sending actual production technicians instead of theoretical specialists, reduces downtime. Field visits give us a clearer look at storage conditions onsite and let us refine product stability for transport and in-plant storage.

    Propoxyethylene in the Broader Chemical Ecosystem

    A chemical as robust as propoxyethylene finds its way into the toolkit of formulators seeking balanced reactivity, easier handling, and strong performance in demanding end uses. Through multiple project cycles, we've watched the role of propoxyethylene evolve—from ancillary additive to principal ingredient in certain cases. Ingredient lists for next-generation flexible foams or liquid detergents show a growing reliance, not just for technical properties but for cost and lifecycle savings as well.

    Supply negotiations increasingly focus on lifecycle analysis and end-of-life impact, pushing us to gather more robust data on post-consumer waste and byproduct management. By tracking actual customer usage and collecting feedstock and finished product samples, we’ve added a data layer to guide not just production but product stewardship as standards rise across the industry.

    Experience-Based Perspective—What Makes an Impact

    There is a temptation in specialty chemical manufacture to turn every product into a one-size-fits-all solution. We resist that path. Our facility’s team draws on daily production logs, direct feedback from end-use trials, and repeated quality audits rather than assumptions. Regular participation in trade forums, tech days, and collaborative benchmarking with our largest users ensures each run of propoxyethylene stays relevant. The pursuit of reliability—more than the pursuit of novelty—keeps our customers’ equipment running efficiently.

    Routine visits to customer facilities show time and again that stable product properties, no surprises in handling, and support for troubleshooting drive the value of propoxyethylene well beyond simple numbers on a spec sheet. The feedback and results from both large-scale and pilot users allow us to catch small inconsistencies early and translate those corrections into more robust batches for everyone.

    Looking Forward

    Our approach to propoxyethylene—as with every compound we produce—is shaped by the reality that every batch finds its way into someone’s product, reputation, and risk profile. As environmental standards rise and new fields demand greater documentary assurance, this material’s straightforward chemistry, stability, and user-focused adaptability will keep it in strong demand. By continuing to draw directly on our own operating history, learning from each corrective action, and embedding first-hand customer experience into our process, we intend to keep delivering propoxyethylene that meets both technical and operational needs.