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(Hydroxymethyl)Urea

    • Product Name (Hydroxymethyl)Urea
    • Alias HMU
    • Einecs 204-671-2
    • 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

    840457

    Cas Number 1008-06-6
    Molecular Formula CH6N2O2
    Molecular Weight 90.07
    Iupac Name N-Hydroxymethylurea
    Appearance White crystalline solid
    Melting Point 113-115°C
    Solubility In Water Soluble
    Boiling Point Decomposes before boiling
    Density 1.35 g/cm3 (approximate)
    Synonyms Hydroxymethylurea; Urea, N-hydroxymethyl-

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

    Packing & Storage
    Packing The chemical, (Hydroxymethyl)Urea, is packaged in a sealed 500g amber HDPE bottle with safety labeling and tamper-evident cap.
    Shipping (Hydroxymethyl)urea should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Transport according to local and international chemical safety regulations, ensuring the container is clearly labeled. Handle with appropriate personal protective equipment, and avoid contact with incompatible materials. Store in a cool, dry, and well-ventilated area during transit.
    Storage (Hydroxymethyl)urea should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect the material from moisture and direct sunlight. Store at room temperature, avoiding excessive heat and humidity. Proper labeling and handling, using appropriate personal protective equipment, are recommended to ensure safety.
    Application of (Hydroxymethyl)Urea

    Applications of (Hydroxymethyl)Urea in Industrial Manufacturing

    As a direct manufacturer of (Hydroxymethyl)Urea, we supply this chemical for various specialist industrial sectors. This section covers real downstream use cases, industry standards, formulation ratios, integration into customer processes, and typical finished goods for each application track.

    1. Amino Resin Production for Panel & Wood Adhesives

    Producers of particleboard, MDF, and plywood adopt (Hydroxymethyl)Urea as a key monomer in the synthesis of urea-formaldehyde and melamine-urea-formaldehyde resins. Its controlled reactivity improves resin curing profiles, working life in storage, and physical bonding performance. Technical specifications often require low free formaldehyde emissions and reproducible gel times. Material supply adheres to manufacturing batch requirements, where stability and purity influence the resin’s water tolerance, film-forming properties, and pressing cycles.

    Industry compliance standards

    • EN 13986: Requirements for wood-based panels for use in construction
    • ANSI A208.1 / A208.2: North American standards for particleboard and MDF panels
    • CARB ATCM 93120: California Air Resources Board formaldehyde emission limits
    • E1/E0 formaldehyde emission classifications (European standards)

    Typical usage ratio

    • 20–30% by weight of total urea used in resin synthesis
    • Adjusted based on targeted gel time and emission class, typically dosed according to batch formulation control

    Downstream process integration

    • Added during the resin pre-condensation and condensation stages
    • Influences molecular weight distribution and cross-linking in the final resin
    • Fed continuously or batch-wise to resin reactors under controlled pH and temperature

    Final product types

    • Urea-formaldehyde and melamine-urea-formaldehyde resins
    • Furniture-grade plywood and blockboards
    • Medium-density fibreboard (MDF) panels
    • Low emission particleboards for interior construction

    2. Fertilizer Coatings for Controlled-Release Urea

    Controlled-release fertilizer manufacturers use (Hydroxymethyl)Urea in the formulation of polymer-coating systems that delay nitrogen release. Its solubility and cross-linking capacity help produce consistent slow-release behavior, especially in single or multi-nutrient granular fertilizers. Quality is managed through raw material traceability and batch certifications aligned to agricultural input regulations. The proportion of this ingredient modulates total nitrogen leaching resistance and application duration in soil.

    Industry compliance standards

    • ISO 8157: Fertilizers – Vocabulary
    • EU Regulation (EU) 2019/1009: Fertilizing Products Regulation
    • Association of American Plant Food Control Officials (AAPFCO) publications
    • REACH compliance for substances used in EU fertilizers

    Typical usage ratio

    • 3–15% of total coating formulation by weight
    • Adjustable per nitrogen release curve, local agrotechnical requirements, and type of fertilizer granule

    Downstream process integration

    • Blended with other aminoplast reactants for coating material preparation
    • Applied through drum or fluidized bed coating processes
    • Cured at specific temperatures to ensure even cross-linking and film formation on granules

    Final product types

    • Slow-release urea fertilizer granules
    • Multi-nutrient controlled-release agricultural fertilizers (NPK)
    • Lawn and specialty turf management fertilizers
    • Horticultural and greenhouse grade granular nutrients

    3. Cement and Concrete Water Reducer Additives

    Hydroxymethyl)Urea is utilized by admixture producers to formulate naphthalene-free and formaldehyde-reduced water reducer blends, improving workability and final compressive strength. The material enables high strength and fluidity while minimizing risk of deleterious side reactions typical of poorly controlled admixtures. Each batch is tested for purity and absence of hazardous impurities. Performance in admixture is governed by compatibility with cement type and the targeted concrete grade.

    Industry compliance standards

    • EN 934-2: Admixtures for concrete, mortar and grout
    • ASTM C494 / C494M: Standard Specification for Chemical Admixtures for Concrete
    • GB/T 8077: China standard for concrete admixtures
    • ISO 9001:2015 for admixture manufacturing process QC

    Typical usage ratio

    • 0.2–2.0% by weight of cementitious material, depending on water reduction target and admixture system design
    • Proportion adjusted according to air entrainment, temperature, and specific project requirements

    Downstream process integration

    • Introduced during liquid blending of superplasticizer concentrates
    • Formulated with other low molecular weight amides and dispersants
    • Finalized in on-site concrete batching or at central admixture blending facilities

    Final product types

    • High early-strength precast concrete elements
    • Pumpable concrete mixes for commercial infrastructure
    • Shrinkage control mortars and grouts
    • Ready-mix concrete meeting environmental and strength criteria

    4. Liquid Animal Feed Additives

    In the feed industry, manufacturers select (Hydroxymethyl)Urea as a non-protein nitrogen source in ruminant nutrition. It acts as a slow-release nitrogen donor, improving feed conversion and reducing risk of ammonia toxicity compared to conventional urea. Material selection is based on purity, traceability, and absence of biuret or formaldehyde residues. Usage must follow documented calculation for safe inclusion in complete feeds, supported by farm-level performance monitoring and compliance with animal nutrition safety laws.

    Industry compliance standards

    • AAFCO Official Publication: Feed ingredient definitions (USA)
    • Regulation (EC) No 767/2009: Placing animal feed on the market (EU)
    • CVM FDA Guidance for Industry #120: Safe Use of Urea and Urea-Formaldehyde in Animal Feeds
    • ISO 22000: Food safety management in feed ingredient supply

    Typical usage ratio

    • Up to 1% total mixed ration dry matter for cattle, based on crude protein balancing
    • Dosed according to target daily nitrogen release and local regulatory maximums

    Downstream process integration

    • Dissolved in water or molasses-based liquid feed solutions
    • Sprayed onto forages or blended into silage, TMR, or lick blocks at feed mills
    • Metered addition to customized on-farm premix producers

    Final product types

    • Molasses-urea liquid supplements
    • Slow-release NPN lick tubs and blocks
    • Fortified grain/forage TMRs (total mixed rations) for dairy and beef
    • Pelleted ruminant concentrate feeds

    5. Textile Finishing Agents and Formaldehyde-Reduced Resins

    Textile auxiliaries producers incorporate (Hydroxymethyl)Urea as a core reactant in cross-linking agents for easy-care, wrinkle-resistant finishing of cellulosic and blended fabrics. This enables formaldehyde content reduction while maintaining dimensional stability and handle. Suitability depends on consistent purity, low-color product, and batch QC for textile chemical registration. The formulation respects restricted substance directives and final textile product safety standards across export markets.

    Industry compliance standards

    • OEKO-TEX Standard 100: Textile safety and harmful substances
    • ZDHC MRSL: Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List
    • REACH Annex XVII: Formaldehyde restrictions in textiles (EU)
    • GB/T 2912.1: Determination of formaldehyde in textiles (China)

    Typical usage ratio

    • 5–10% active solid in textile finishing bath by weight
    • Precise ratio set according to wrinkle-resistance target, fabric weight, and cross-linking density

    Downstream process integration

    • Formulated with catalysts and plasticizers into textile resin solutions
    • Applied by padding, spraying, or exhaustion under controlled temperature and pH
    • Cured in stenter ovens post-application to obtain durable cross-linking

    Final product types

    • Non-iron cotton and polyester-cotton garments
    • Dimensional stable upholstery textiles
    • Wrinkle-free woven and knit fabrics for apparel export
    • Home furnishing fabrics pass formaldehyde emission controls
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    Certification & Compliance
    More Introduction

    Introducing (Hydroxymethyl)Urea: Reliable Performance from an Experienced Manufacturer

    A Practical Solution for Modern Industries

    Our team has dedicated years to the production and refinement of (Hydroxymethyl)Urea. Working directly at the heart of the chemical manufacturing process, we notice daily just how much consistency and practicality matter to customers who rely on this compound. Unlike many of the additives circulating in the market, (Hydroxymethyl)Urea stands out for its blend of stability, solubility, and ease of integration. Professionals have come to recognize it as a backbone material not just for adhesives, but also for resins and surface coatings.

    Technical Profile: Model and Specifications

    At the plant level, producing (Hydroxymethyl)Urea demands strict process control. We draw on our expertise and hands-on familiarity with the production line to ensure that parameters such as purity and moisture content stay in check. Typical batches reach purity levels above 98%. Granule size remains uniform, typically presenting as a white, crystalline powder. Storage and transport go smoothly since the material resists caking or degradation under normal warehouse conditions.

    Moisture content is a focus for us, because excess water can complicate downstream mixing and formulation. We monitor every lot so that the water content hovers around 0.5% or less. Our experience has shown that low dust and free-flowing product saves both time and cost during large-scale blending and automates well for customers with high-speed lines.

    All products are regularly tested for formaldehyde and free amine content. We choose equipment designed for precision, with routine calibration and maintenance. Throughout the manufacturing process, we document production runs and maintain back samples from every order. This not only tracks product consistency, it offers traceability if customers want to investigate any performance anomaly down the supply chain.

    Distinctive Features from First-Hand Knowledge

    Many manufacturers, especially those less familiar with process chemistry or batch-to-batch variation, struggle to match the performance of (Hydroxymethyl)Urea in composite wood, plywood, and medium-density fiberboard applications. Direct involvement in the field gives us special insight—laboratory results on paper often differ from outcomes on the factory floor. Our feedback network among users has shown that resin syrup containing (Hydroxymethyl)Urea cures evenly across a wide temperature range, offering short press times and less formaldehyde release.

    There’s another important aspect—compatibility. In high-load filler systems, or alongside other additives, some urea derivatives cause gelling or incomplete dispersion. Our product was developed with joint testing teams in resin application labs. We checked for clumping, poor miscibility, or unexpected side reactions. Feedback drove us to select tighter controls for crystal size and pH stabilization during finishing. The result is smoother mixing in real industrial equipment—not just in small lab batches.

    Application Experience: Why Users Prefer Our Product

    In resin formulations, (Hydroxymethyl)Urea acts as a formaldehyde scavenger and a crosslinker. Laminate manufacturers rely on it to boost resin bonding while reducing emission potentials. Our partners in plywood operations find a consistent reduction in formaldehyde readings—lab data regularly show drops of 0.02 to 0.05 ppm compared to untreated control runs, as verified by third-party auditors.

    Many users apply the material in UF resin enhancement. Our firsthand experience demonstrates that introduction of (Hydroxymethyl)Urea into the resin mix can raise the molar ratio of methylol groups, lending greater flexibility for the manufacturer to adjust working times during the press cycle. Faster line speeds come from improved cure profiles—not just theoretical benefit, but measured improvements in cycle times and workability.

    Some of our clients in the insulation and coatings industries look for substitutes that don’t require major plant re-tooling. (Hydroxymethyl)Urea disperses efficiently with standard mixing blade equipment. There are no unusual safety or handling constraints for warehouse staff. Most operators report dust levels similar to household flour or less, reducing the need for excessive PPE or ventilation adjustments.

    Differences from Traditional Urea and Alternatives

    Working hands-on at a chemical plant makes the distinctions between similar materials plain. While standard urea plays a role in fertilizer and baseline resin formulations, (Hydroxymethyl)Urea incorporates a methylol group, which significantly shifts its chemical reactivity. Spot tests in the mixing tanks show that standard urea by itself keeps resins brittle. Our product helps raise the toughness and hydrolytic stability in finished laminates.

    Some resin manufacturers have tried to use melamine-based alternatives for the same role. Melamine derivatives are often more expensive, and their cost-benefit ratio does not always pay off unless the application requires extreme water resistance. Compared to other formaldehyde mitigators, such as urea-extended binders or engineered scavengers, (Hydroxymethyl)Urea offers a reliable, affordable mid-point. We have seen labs run side-by-side tests: melamine derivatives enhance durability but can cause haze or color issues in lighter woods, while our compound leaves the color unchanged.

    Alternative urea-formaldehyde resin modifiers sometimes introduce amine odors or affect final product odor. Our batches are monitored to reduce off-odors during mixing and after cure. Finished panels and laminates keep a neutral, low-odor profile favored by downstream fabricators and end users.

    Commitment to Process and Safety

    Being directly involved in manufacturing, safety stands as a priority for both our staff and the users of our products. Proper training matters. Our operators handle bulk liquid formaldehyde with safeguards such as sealed transfer lines, ventilated fill hoods, and employee air monitoring. The work environment in the plant benefits from these protocols, and customers see fewer contaminants or unwanted byproducts in the chemical they receive.

    We built in regular self-inspection and third-party verification for compliance. These measures do not just meet the expectations of regulatory authority, they contribute to the reliability of every delivery. Our environmental controls lower effluents to a minimum—we operate closed-loop washdown and filtration systems, keeping both water and air streams as clear as possible, which helps our partners who value eco-conscious suppliers.

    All outgoing (Hydroxymethyl)Urea drums go through manual checks for sealing, labeling, and batch traceability. End users experience fewer delays; operators do not need to reject, quarantine, or re-blend material. We’re on the line fixing any issues that customers bring to us. As a result, rework rates trend extremely low—less than 0.2% of annual output, an internal benchmark driven by staff incentives and management oversight.

    Responding to Real-World Challenges

    Any manufacturer in chemical supply faces disruptions—sometimes raw materials run short, or transport faces hurdles from regulatory updates. We have always invested in robust raw material sourcing, with backup supply routes that draw from both domestic and international providers. Our team stays up to date with changes in supply chain policies, such as bans on certain precursor chemicals or tightening of transportation allowances for hazardous materials.

    We address capacity fluctuations by maintaining slack in our production schedule. By running overtime shifts or flexing line assignments, we can cushion sudden bumps in demand from partners who give us little advance warning. Strong relationships with shipping companies let us pivot delivery routes if bottlenecks crop up. The net effect is that most customers find product is available on short notice, without recurring stockouts or missed deadlines.

    Feedback loops form an important part of our development. Applications engineers partner with resin chemists at user sites to observe real-world performance beyond the test bench. That feedback returns straight to our formulation center, where improvements get implemented in the next cycle. We respond to data—if panel lines show uneven cure rates, we work backward through the QA chain, check for subtle pH drift, and tweak controls. Customer satisfaction metrics do not arrive through email dashboards—they follow from the day-to-day grind and the calls we field to troubleshoot actual plant problems.

    Supporting Sustainable Manufacturing Goals

    Stories about emissions and sustainability have become more urgent over the past decade. As operators of a live production site, we see firsthand the mounting pressure on every link in the supply chain to waste less, shrink emissions, and tighten stewardship of chemical streams. (Hydroxymethyl)Urea offers improvements for resin houses looking to reduce formaldehyde release in downstream uses—less emission means better products, safer work environments, and a more sustainable end-of-life profile.

    We switched to closed-loop tank storage and recovery processes at our factory, reducing air losses to below government-mandated thresholds. Wastewater from cleaning cycles goes through on-site neutralization and carbon filtration so that outflow water carries almost no measurable hazardous constituents by the time it leaves the facility. Our maintenance schedule for valves, lines, and pressure systems cuts accidental discharges to near-zero—real savings, both for the environment and our insurance premiums, not just compliance reports.

    Downstream, our customers benefit from meeting more stringent product certification standards. Lower formaldehyde emissions in engineered wood panels help clients pass formaldehyde release compliance audits for residential and commercial interiors. We share these data points with our partners, who in turn use them for their own certifications and marketing efforts.

    Technical Support Backed by Direct Experience

    Answers from theory often fall short in the chaotic reality of the shop floor. Our team includes not only chemists and engineers but also line supervisors and plant technicians. This cross-discipline knowledge helps us assist customers who come to us with equipment-specific or process-specific concerns.

    For example, some users report difficulties during winter months, when colder mixing rooms slow dissolution. In response, we have trialed batch recommendations around pre-warming process water or stepwise powder addition, tailored to actual customer conditions. These aren’t hypothetical ideas—they’re drawn straight from line trials run at our customers' factories.

    Equipment compatibility matters. Whether working with vertical, high-shear batch mixers, or continuous screw feed systems, we discuss setups with customer technicians and recommend agitation speeds and feed rates. If unexpected build-up appears in filters, we sample both the raw material and the water supply for troubleshooting. This direct and fluent exchange of information keeps costs contained and production flowing.

    Conclusions Drawn from the Plant Floor

    From our vantage point as a chemical manufacturer, (Hydroxymethyl)Urea has shown steady performance, proven reliability, and strong safety and environmental credentials. Its unique structure allows for improved adaptability and performance over standard urea in resins and adhesives. We don’t rely on third-party hearsay or recycled literature—the difference comes out in trial runs, formaldehyde emission data, panel line yields, and less customer downtime.

    Working closely across production, QA, and customer support arms of the business, we remain ready to adjust, improve, and respond to market demands. Our customers know us for being consistent, transparent, and proactive, traits that grow over years of mutual problem-solving and learning.

    Product quality starts at the batch reactor, gets built into every step of finishing and packaging, and continues well after product leaves our gate. (Hydroxymethyl)Urea, as developed and produced by our plant team, stands as a reflection of that commitment to continuous improvement, resilience in a fast-changing market, and the real-world needs of manufacturers who rely on dependable chemistry every day.