Urea Peroxide

    • Product Name: Urea Peroxide
    • Alias: Carbamide peroxide
    • Einecs: 231-765-0
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    839826

    Chemical Name Urea Peroxide
    Synonyms Carbamide Peroxide, Hydrogen Peroxide Urea
    Molecular Formula CH6N2O3
    Molar Mass 94.07 g/mol
    Appearance White crystalline solid
    Odor Odorless
    Solubility In Water Freely soluble
    Melting Point Approximately 82°C
    Stability Stable under recommended storage conditions
    Cas Number 124-43-6

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

    Packing & Storage
    Packing White, high-density plastic bottle with a screw cap, labeled "Urea Peroxide, 500g, For Laboratory Use Only," hazard symbols displayed.
    Shipping Urea Peroxide should be shipped as an oxidizing solid under UN1511, packed in tightly-sealed, corrosion-resistant containers. Transport in a cool, dry, and well-ventilated area, away from flammable materials and direct sunlight. Handle with care, following all applicable regulations, including labeling and documentation requirements, to ensure safe transportation.
    Storage Urea peroxide should be stored in a cool, dry, well-ventilated area away from heat, moisture, and direct sunlight. Keep the container tightly closed and away from incompatible substances such as acids, bases, and combustible materials. Store in its original, labeled container and avoid contact with organic materials and reducing agents. Regularly inspect storage areas for leaks or damage.
    Application of Urea Peroxide

    Applications of Urea Peroxide in Industrial Manufacturing

    Urea peroxide, a stable crystalline complex of urea and hydrogen peroxide, serves as a key solid oxidizing ingredient across several industrial sectors. Our product supports precise, regulated oxidation processes in manufacturing, hygiene, and polymer technologies. Below is an overview of primary downstream scenarios where urea peroxide plays a specialized, regulated role.

    1. Oral Care Formulations: Toothpaste and Whitening Strips

    Manufacturers widely use urea peroxide as an active oxygen donor in oral hygiene products, including commercial toothpaste and dental whitening strips. The compound releases hydrogen peroxide in situ, creating effective whitening and plaque removal actions. Consistency in active release profiles and safety margins forms the basis of dental formulation integration. Urea peroxide requires precise calibration to avoid oral irritation, and its use is strictly regulated according to international dental and personal care guidelines.

    Industry compliance standards

    • ISO 11609 Dentistry — Toothpastes — Requirements, test methods and marking
    • U.S. FDA OTC Monograph for Oral Health Care Drug Products
    • EU Cosmetics Regulation (EC) No. 1223/2009
    • China GB 8372-2017 National Toothpaste Standard

    Typical usage ratio

    • 0.5% to 3.5% by weight in toothpaste pastes or gels
    • Up to 10% (formulated as urea peroxide) in professional whitening strips
    • R&D adjusts ratio based on hydrogen peroxide release targets
    • Final dosage determined by maximum allowed peroxide exposure per application

    Downstream process integration

    • Fused into aqueous phase after base neutralization and before silicas or abrasives
    • Incorporated under strict cooling and inert atmosphere to prevent premature decomposition
    • QC teams monitor peroxide stability during storage and post-manufacturing
    • Packed in moisture-proof and light-protective containers immediately after blending

    Final product types

    • Whitening toothpastes
    • Enamel-brightening gels
    • Dental whitening strips and pens
    • Dentist-prescribed oral hygiene pastes

    2. Environmental Disinfection: Water Treatment Tablets and Powders

    Public health and municipal water plants use urea peroxide in solid water purification tablets and powders. Its slow, controlled decomposition delivers a reliable dose of hydrogen peroxide, actively breaking down organic pollutants and pathogenic microbes. The compound finds utility in compact, field-deployable disinfection formulations for potable water and swimming pool treatment, where transportation and storage safety take priority over liquid peroxide use. All applications require stringent validation to avoid toxic byproduct formation.

    Industry compliance standards

    • NSF/ANSI 60 Drinking Water Treatment Chemicals – Health Effects
    • U.S. EPA Guidance Manual for Alternative Disinfectants and Oxidants
    • European Council Directive 98/83/EC on the quality of water intended for human consumption
    • WHO Guidelines for Drinking-water Quality

    Typical usage ratio

    • Tablets containing 20% to 50% urea peroxide by weight
    • Powders blended at 2 g/L to 10 g/L for batch water treatment
    • Dose adjusted for volume, organic load, and treatment objective (potabilization or disinfection)
    • Operators validate on-site peroxide residual post-treatment

    Downstream process integration

    • Direct tableting or granulation under low humidity to stabilize the active ingredient
    • Formulators blend with stabilizers and pH buffers to control release and maintain efficacy
    • Packed in single-use portions with moisture barriers
    • Quality teams continually test for peroxide potency and decomposition risk

    Final product types

    • Portable water purification tablets
    • Pool and spa disinfection granules
    • Industrial batch water treatment packs
    • Emergency drinking water disinfection kits

    3. Polymerization Initiators for Acrylic Resins

    Urea peroxide functions as a controlled radical initiator in the polymerization of acrylic and methacrylic monomers for adhesives, surface coatings, and synthetic resins. The stable release of hydrogen peroxide allows downstream manufacturers to time the start of polymer chain reactions without premature curing or mixing hazards. Extensive process control enables repeatable resin performance, and downstream firms rely on this raw material in transparent and colored acrylic sheet production where gel time and molecular weight distribution determine end-use quality.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems (process and traceability)
    • REACH Regulation (EC) No 1907/2006 for polymer and initiator use in Europe
    • ASTM D2565 Standard Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications
    • GB/T 175-2007 General Rules for Waterborne Industrial Paints

    Typical usage ratio

    • 0.1% to 1% by monomer mass for acrylic resin synthesis
    • Formulation engineers adjust ratio based on monomer reactivity and desired polymer chain length
    • Lower end for continuous reactors, higher end for batch polymerizations
    • Ratio also influenced by solvent and presence of chain transfer agents

    Downstream process integration

    • Dosed directly into pre-polymer mix just prior to reaction initiation
    • Systems often include transition metal catalysts or co-initiators for tailored reaction rates
    • Temperature and mixing control are critical to avoid runaway reactions
    • Quality team samples mid- and post-reaction to confirm degree of polymerization

    Final product types

    • Acrylic casting resins
    • Structural adhesives and sealants
    • Transparent acrylic sheets and rods for signage and lighting
    • Impact-resistant PMMA components for automotive, building, and electronic housings

    4. Pulp and Paper Bleaching Additive

    Pulp mills and paper manufacturers integrate urea peroxide as an environmentally safer bleaching agent for specialty papers. The material delivers stabilized oxidative strength, minimizing residual organic colorants and dioxin risk present in traditional chlorine-based processes. Applications include medical-grade paper, filter media, and archival paper stocks, where specific whiteness targets and substrate stability are regulated by international standards and eco-labeling requirements.

    Industry compliance standards

    • ISO 536:2019 Paper and board — Determination of grammage
    • ISO 11475:2017 for Whiteness of paper and board (CIE method)
    • Nordic Swan Ecolabel Paper Products Criteria
    • FSC and PEFC Chain of Custody guidelines (for sustainable input materials)

    Typical usage ratio

    • 0.2% to 2% of fiber mass, precise dosage set by lignin content and required CIE whiteness
    • Higher concentrations used in specialty or high-purity pulps
    • Process engineers select ratio for balance between brightness, fiber yield, and effluent load
    • QC labs analyze post-bleach wastewater for residual oxidants and byproducts

    Downstream process integration

    • Added to pulp slurry after initial cooking and washing steps
    • Blended with stabilizers and chelating agents according to plant operation manuals
    • Pulps pass through bleaching towers where temperature and pH are tightly controlled
    • After bleaching, pulp washers remove spent chemicals before final sheet forming

    Final product types

    • Medical sterilization wrapping materials
    • Laboratory and filter papers
    • High-brightness archival and printing papers
    • Food packaging substrates

    Free Quote

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    Certification & Compliance
    More Introduction

    Urea Peroxide: Our Perspective from the Manufacturer’s Floor

    Real Experience with Urea Peroxide

    Walking the aisles of our plant, you catch a faint, clean scent. The powdery appearance of urea peroxide (sometimes called carbamide peroxide) looks innocuous in its fiber drums, but its potential runs much deeper. Every batch comes from a process we control right down to the temperature curve, the purity of air in our reactors, the grades of urea and hydrogen peroxide going in, and the gentle drying cycle that preserves its chemical structure. Our technical staff checks throughout each stage, not with an eye to bureaucratic boxes, but because we have seen what a slight slip in process conditions can mean for the product’s stability and behavior months later.

    What makes urea peroxide stand out in our experience isn’t just its strong oxidative ability. The story is really about how we’ve managed its properties to best serve practical needs in dozens of industries, from pharmaceuticals to wastewater treatment. The white crystalline powder we produce doesn’t clump, resists absorbing moisture from the air when handled properly, and dissolves reliably when mixed with water: these factors make a big difference for users who rely on it for everyday operations.

    Product Models and Specifications—What We Actually Deliver

    In our facility, we manufacture urea peroxide in several specification ranges. Much of the world refers to content by peroxide available (sometimes as active oxygen percentage), but what matters to us and our customers is practical performance: how well does it release that oxygen during your process, how stable does it stay during transport, and how fine is the crystalline texture? We routinely calibrate to match a peroxide content of 35-42% by weight. Each order is confirmed for residual urea, heavy metals, and moisture—all based on batch data we hand over, not just on generic specification tables.

    Particle size isn’t just a spec for us—it’s feedback from partners in cosmetics and oral hygiene. Finer grain flows better, blends seamlessly with polishing agents, and gives more even release in end-use applications. Some buyers prefer coarser material for particular uses, and we tailor the drying and crushing steps in response. The end result is a product that doesn’t just pass a test in the lab but performs in mixers, reactors, and packaging machines out in the real world.

    Real-Life Applications: How We See Our Urea Peroxide Working for You

    The best outcomes start with knowing how the chemical will be used. Urea peroxide shows up in places many wouldn’t expect: teeth whitening gels, disinfectants, bleeding control pads for dentistry, environmental remediation, veterinary treatments, animal feed premises, wastewater plants, and as an oxygen source in aquaculture and septic tank activators. Every setting brings its own practical challenges.

    Dentistry manufacturers, for example, have strict controls on residual moisture and bioburden. They want a powder that blends easily with carriers and degrades predictably on shelf—so we focus on a drying stage just beyond the threshold needed for physical stability but not so dry that static cling becomes a handling nuisance. Oral care producers using our urea peroxide expect little to no ammonia odor, so we keep ammonia below single-digit ppm through both upstream urea selection and final batch checks. The difference gets noticed immediately on a production line, not just on an assay certificate.

    In environmental applications, the main interest lies in controlled, sustained oxygen release plus safe handling for large volumes. Here, the challenge is balancing power with predictability. Rapid oxygen evolution can disrupt wastewater processing, while a sluggish response isn’t effective for contaminant breakdown. This brought us to dial in the right balance of crystalline form and residual stabilizers through repeated pilot trials in real plants. We don’t claim miracles—just the track record to produce a material that operators become comfortable using day after day.

    On the animal care side, safe inclusion in hygiene and sanitizing formulas means unwavering control over contaminants and free acidity. We have invested in custom stainless steel equipment and double-sealed blending rooms to keep cross-contamination at bay, particularly when there’s a risk of contact with feed or open water. These steps are more than protocol: they came from decades of feedback and hard lessons on what downstream customers truly need.

    Real Differences: Urea Peroxide Compared to Other Oxidizers

    We’ve spent years fielding questions from buyers considering switching from sodium percarbonate, hydrogen peroxide, calcium peroxide, or even chlorine-based oxidants. Let’s cut to what we see matter most. Unlike liquid hydrogen peroxide, urea peroxide offers solid-form flexibility—you can store it, meter it, blend it with powders without risking spills or rapid decomposition. In dental kits, shelf life benefits from the absence of water, avoiding destabilization.

    Sodium percarbonate shares some similarities as a solid peroxide source, yet their behavior diverges. Our urea peroxide gives less alkaline residue than percarbonate, crucial in personal care or specific cleaning products where high pH is unwelcome. The dissolution is smooth, no violent fizzing or temperature spikes, which helps maintain overall formula performance in sensitive blends.

    Calcium peroxide fits niche uses that require very slow oxygen release and less solubility, but in our experience, most end-users pick urea peroxide for faster, more controlled action—particularly where timing and completeness of release translate to process benefits (think spot disinfection or immediate environmental remediation). Customers have told us that the fine balance between oxidative strength and manageable reactivity is why they stick with our product over lower-priced, more aggressive alternatives.

    Chlorine-based oxidants definitely deliver strong immediate disinfection, but their byproducts and residue issues limit suitability for sensitive applications. Urea peroxide ensures no halogen residue, so formulas remain gentle enough for oral or hygienic products while still handling tough organic stains or biofilm. Down the line, wastewater isn’t loaded up with problematic compounds.

    Comparing with cheap technical-grade hydrogen peroxide, we see a shift happening over the years: safety, transportation, and storage risk have led more manufacturers to choose solid peroxides like ours. Explosive decomposition hazards drop off, and compliance headaches ease—because the material is stable, you avoid constant regulatory supervision over every movement of drums around a site.

    Making and Handling Urea Peroxide: What Experience Teaches

    Making something as deceptively simple as urea peroxide involves countless details. Even a modest increase in humidity during drying, a contaminated pipe, or a small error in urea feed brings visible changes in cake formation—and serious quality headaches. We learned not to rely only on machines but to empower staff to call for a line stop if something feels wrong, even if all meters look good.

    We’ve watched new operators miss early signs of ‘wet cake’ formation or poor drying, which leads to clumpy batches. Customers can tell, and so can we, the moment a sample is scooped from the drum. The powder must pour, not bridge or stick, both for operational ease and for accurate dosing in precise medical or cosmetic blends. The cost of one bad shipment goes beyond replacement: it erodes trust. That’s why every bag and drum leaving our line has gone through a hands-on check by someone who understands these details.

    Shipping and storage proved a learning curve. Years ago, we noticed slight caking in exported drums during monsoon season. Adjusting bag thickness, adding an extra layer of moisture-proofing, and optimizing our warehouse airflow made all the difference. Since then, our complaint rate on arrival dropped sharply. Producers who have switched from unreliable imports say this remains one of the reasons they stay with us.

    Why Our Approach to Urea Peroxide Sets Us Apart

    Walk into our QC lab and you see not just instruments for titrating peroxide content, but a bench with mixing bowls, pH strips, and beakers borrowed from real customer procedures. We try out blends with actual toothpaste bases, run release tests in buffered water, mimic end-use temperatures, and even perform color stability checks over extended light exposure. No textbook can compare to watching how our product behaves in the hands of the people who will use it next. We’re not interested in pushing tonnage just for the sake of it; integrity in the process creates relationships that last through price swings and market ups and downs.

    We don’t just quote technical specs off a sheet. We tell customers how storage temperature will impact shelf life in their specific region, and we offer real advice on blending protocols to minimize peroxide loss. If someone runs into batch segregation trouble in their mixer, we’ve probably been through a similar trial and share what actually worked, right from our own mixing rooms. Our history with specialty formulations taught us that every percent of active matters—so we calibrate every shipment, knowing that slight under- or overage can throw off a critical product launch.

    Supporting Customer Success: Beyond the Factory Gate

    We don’t stop helping the moment your drums leave our yard. Producers of dental products often ask us for updated stability data because their regulatory bodies tighten requirements. We run ongoing shelf-life tests under accelerated and standard conditions, and share full transparency—even if we occasionally see a slight drop in performance and need to tweak next batches. Our customers use this data for their submissions, reducing delays and meeting deadlines with less uncertainty.

    Some blending operations handle both urea peroxide and calcium peroxide, switching hoppers in between. This complicates cleaning and changeover. Over time, we’ve developed step-by-step cleaning protocols for these lines, drawing directly from our own equipment. We share these with customers, saving them months of headache or potential cross-contamination risk. For us, this is about mutual success—it drives repeat business because we solve actual problems.

    Addressing Challenges and Continuous Improvement

    No manufacturer can claim perfection. We faced hurdles—real lessons about stabilization, contamination, and market fit. Several years ago, we dealt with an unexpected impurity linked to an upstream supplier’s urea. Only through painstaking investigation, batch segregation, and a commitment to sourcing improvements did we solve the root issue. Our transparency meant sitting down with customers, giving honest answers, and working towards a solution together. In a market flooded by cut-price, poorly controlled knock-offs, our approach stood out because real trust only grows from openness.

    Every improvement in our plant started as feedback from the outside. Someone needed a faster-dissolving fine grade; another needed superior storage stability under tropical humidity. We took on both challenges and came back with a finer, more uniform grain structure, and a new humidity-resistant packaging solution. When positive reviews arrived—not just about product, but about customer experience—it confirmed what we’d always believed: the job’s not finished at shipment, it demands ongoing involvement.

    Supporting Health, Safe Operations, and Environmental Care

    Our responsibility doesn’t stop at chemical properties. We advise buyers on best handling practices and engineering controls for powder dispersion. Teams on our lines wear appropriate PPE, and each new downstream user receives practical advice, drawn straight from our production experience, about controlling dust, spill clean-up, and safe disposal. Manufacturers preparing food-safe items appreciate that we meet standards not just on paper, but with in-house audits and regular batch sampling dedicated to their needs.

    From a sustainability angle, we make sure our byproducts and effluent meet internal and external guidelines—more than just ticking boxes. We review actual disposal and reprocessing routes for our off-spec batches to avoid environmental impact. We even encourage customers to adopt best-practices in wastewater handling after urea peroxide use, sending updates as regulatory climates change, so together we cut the risk of non-compliance and unnecessary fines.

    Listening and Responding

    Trends emerge, sometimes catching everyone by surprise. Demand for more natural oral care boosted volume requirements abruptly a few years back. New environmental cleanup protocols in certain countries now drive requests for even higher purity material, free from the faintest trace of metals. We react not by off-the-cuff adjustments, but with actual pilot runs, data sharing, and collaborative development.

    Our technical team regularly holds Q&A sessions with partners whose engineers have unique process set-ups. Solutions often come from these conversations, not only from lab-scale innovation. Upscaling from bench-top to factory operation brings unexpected surprises—clumping, color change, stability loss—and sharing those experiences in a round-table fashion supports problem-solving for everyone involved.

    Looking Ahead with Urea Peroxide

    After years of producing urea peroxide at commercial scale, we know it’s more than a commodity. It finds uses every year in directions we never predicted: gentle wound care rinses, on-site disaster cleanup, and even oxygen boosters for hybrid water management systems. Our team tracks research and evolving regulatory changes to keep one step ahead—and share those findings with everyone in our network.

    As the landscape for oxidizers changes, especially with increased scrutiny on safety and residue, urea peroxide’s reputation grows. Our focus remains helping our partners take advantage of its strengths, manage its quirks, and avoid pitfalls. We’re not the biggest, but we bank our reputation on getting the details right, batch after batch, with honest feedback and continuous investment in improvement.

    Final Thoughts from the Shop Floor

    Urea peroxide isn’t magic. Its practicality comes from careful manufacturing, deep knowledge of how real-world customers operate, and learning from every mistake and success. We put in handwork, not just because it’s tradition, but because the downstream impact is visible—cleaner teeth, safer cleaning formulas, healthier aquaculture ponds. For us, a successful shipment rides on far more than purity numbers; it’s about trust, responsiveness, and a commitment to every detail, large and small.

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