Melamine Phosphate

Melamine Phosphate

    Specifications
    HS Code 459891
    Chemical Formula C3H6N6·H3PO4
    Appearance White powder
    Molecular Weight 215.14 g/mol
    Solubility In Water Poorly soluble
    Melting Point Decomposes
    Ph Aqueous Solution Near - neutral
    Thermal Stability Good, decomposes at high temperatures
    Flammability Low flammability
    Particle Size Typical Fine powder, usually in micrometer range
    Odor Odorless

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

    Packing & Storage
    Packing Melamine Phosphate packaged in 25 - kg bags for easy handling and storage.
    Storage Melamine Phosphate should be stored in a cool, dry, well - ventilated area. Keep it away from sources of heat, ignition, and incompatible substances like strong oxidizing agents. Store in tightly - sealed containers to prevent moisture absorption, which could affect its chemical properties. This helps maintain its quality and stability during storage.
    Shipping Melamine Phosphate is shipped in well - sealed containers to prevent moisture and contamination. Adequate packaging safeguards the chemical during transit, adhering to strict regulations for safe transportation of chemicals.
    Free Quote

    Competitive Melamine Phosphate prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

    Melamine Phosphate Melamine Phosphate
    General Information
    Historical Development
    The first half of the 20th century of Western Europe, it is the product of chemical technology. It was originally synthesized from nitrogen and phosphorus, and has the wonderful use of fire resistance and flame retardancy. To meet the needs of building plastic safety, we have developed this new material with our heart and research, and we have also introduced its methods. It is applied to the fields of children, plastics and materials. The world is changing, and researchers do not explore new things. The method is lean again and again to improve performance and make it required for high-end products. So far, the globalization of ICBC has been on top of the flame retardant of methylphosphonic acid. Its daily use has benefited the success of the company and the ingenuity of the world.
    Product Overview
    Melamine phosphate is a white powder made by melamine and phosphoric acid through appropriate process. Its quality is pure, water-soluble and excellent thermal stability. It is widely used in plastics, rubber, coatings, fibers and other fields, especially known for its flame retardant effect. In case of fire and heat, it can release inert gas, slowly release heat, inhibit the generation of smoke and harmful gases. It has both environmental protection and safety, and has no halogen worries. It is especially suitable for use as an additive for polyolefin, epoxy resin and polyurethane materials to improve its flame resistance and heat resistance. Its appearance is clean, the particle size is uniform, and it is easy to store, transport and mix. It plays a pivotal role in the field of modern industrial fire protection and green environmental protection.
    Physical & Chemical Properties
    Melamine Phosphate, in the shape of white powder, stable in nature, not easy to volatilize, slightly soluble in water, insoluble in alcohol. Its relative density is about 1.7-1, moderate hardness. High melting temperature, heat resistance to about 300 degrees. Non-flammable in case of fire, can release phosphorus and nitrogen gas, has the effect of blocking fire and suppressing smoke. Ammonia and phosphoric acid are precipitated at high temperature, and gradually decompose. Odorless, odorless, in case of strong acid or alkali, slowly decompose. Chemically stable, compatible with most resins and plastics, and can also be used in textiles and other materials. Slightly acidic, soluble in acidic solutions decomposes, raw phosphoric acid and melamine, mild in appearance, do not corrode metals. Storage should be dry and closed to prevent moisture absorption and agglomeration.
    Technical Specifications & Labeling
    The name of this product is melamine phosphate, white or off-white powder, light and slightly soluble in water, no obvious odor. The chemical formula is C3H6N6O4P, molecular weight is 256.09. The phosphorus content is about 28%, the nitrogen content is about 39%, and the thermal decomposition temperature is higher than 300 degrees Celsius. The fineness can reach 80 mesh to 325 mesh, which can be adjusted according to actual needs. The moisture content is not more than 1%, and the pH value (10% water suspension) is between 6.0 and 7.5. The product is non-toxic and non-corrosive. It is often packaged in plastic woven bags lined with polyethylene film. The net weight of each bag is 25 kg. It can also be customized on demand. It should be protected from light and moisture during storage and transportation, and away from reducing agents and strong acids and alkalis. It is widely used in the flame retardant addition of plastics, rubber and fibers, and can also be used as a coating auxiliary. The parameters are strictly tested and clearly marked to demonstrate their excellent performance and safety.
    Preparation Method
    Melamine phosphate, the preparation of which is based on melamine and phosphoric acid. First take melamine and quantitative phosphoric acid, mix them in a reactor according to a fixed ratio, add an appropriate amount of water as a solvent, slowly heat, stir at a temperature between 60 and 80 degrees to dissolve the two. When it is clear, the temperature gradually rises to 90 degrees, prompting the reaction to be complete and produce melamine phosphate precipitation. Cooling and filtration, precipitate white crystals, then wash with distilled water, remove impurities, and dry to obtain the finished product. Although there is no external catalyst during the reaction process, high temperature can enhance the intermolecular action, making it easy to combine melamine nitrogen groups and phosphate hydroxyl groups to form stable salts. The process is simple and the yield is very high, which is suitable for industrial large-scale production.
    Chemical Reactions & Modifications
    Melamine phosphate, white powder with properties, dissolves slightly in water, and releases phosphoric acid and ammonia at high temperature. Its chemical reaction is to decompose by heating, release phosphorus and burn in fire, forming a flame retardant machine. It is often shared with epoxy resins, polyolefins and other polymer materials, and the composite can increase the flame retardant effect. The modification method is to introduce silicon, nitrogen and other elements, or surface coating to enhance its dispersion and compatibility; or through interaction, it can bond more tightly with the resin, and finally show excellent flame retardant effect. Microwave is also used to assist the reaction, so that the particle size is smaller, the surface area is increased, and the thermal stability is improved. However, the process is fine, and the temperature and pH need to be precisely controlled to prevent the formation of by-product impurities. Melamine phosphate, in modern materials technology, chemical reaction and modification go hand in hand, and is widely used, which is beneficial to the flame retardant cause.
    Synonyms & Product Names
    Melamine phosphate, is a flame retardant agent used in plastics, coatings and other processes. There are many synonymous names, such as Melamine Orthophosphate, Phosphoric acid melamine salt, MPA, etc., all refer to things. Or melamine phosphate, melamine phosphate, etc. And various trade names are also as diverse as stars, commonly known as Melapproof, Melaphos and MPF series, because the manufacturers have different formulas and each mark is distinguished. However, it can be traced back to the source, and they are all the same body, with similar efficacy and common uses. When scholars consult materials or make purchases, they must be clear about their synonyms and identify the similarities and differences between names in order to accurately select materials, avoid weight and light, and avoid misuse.
    Safety & Operational Standards
    Melamine Phosphate, chemical also, its properties are white powder, soluble in water, slightly irritating. It is stable in nature, decomposes and releases nitrogen and phosphorus compounds in case of high temperature, and is widely used in fireproof materials. However, when handling this product, be sure to follow safety laws and do not allow mistakes. During operation, it is advisable to wear protective clothing, gloves, and goggles to prevent dust particles from invading the skin and eyes. In case of inhalation, the patient should be moved to a fresh air place, rest in a quiet place, and seek medical treatment in severe cases. If it enters the eye by mistake, rinse with flowing water urgently for 15 minutes, there is still discomfort, and treatment cannot be delayed. Contact the skin, rinse with water, and treat if necessary. Prevent ingestion, do not eat or drink before and after operation, and clean your hands after finishing. The storage environment should be cool and dry, away from fire sources, and do not juxtapose with flammable or strong oxides. During transportation, it is firmly sealed to prevent spilling, moisture-proof, sun-proof and pressure-proof, handle with care, and slowly prevent falling. It is important to reduce the amount of dust that escapes. After using the utensils, they should be properly cleaned up, and the waste should be disposed of according to regulations. It is strictly forbidden to dump them at will to prevent environmental pollution. The storage place is well ventilated, and the children and animals are far away. Mark them clearly, and strictly control the entry and exit of non-related people. In case of leakage, quickly collect them with dust-free tools and put them into special containers to clean their residual stains. Regularly inspect the utensils in good condition. Employees should receive special project training to understand the hazards and prevention of this product. In case of fire, do not put it out with water. It is advisable to use sand and dry powder Adhering to this standard can ensure the safety of operations and avoid disasters.
    Application Area
    Melamine phosphate, stable in nature, insoluble in water, commonly found in the field of flame retardancy. It is used in plastics, rubber, fibers and other materials, which can greatly improve the fire resistance. Injected with epoxy resin, it can prevent heat and spread, and is widely used in high-rise building materials and subway vehicles. It is also used in electronic components to make it resistant to high temperature and not easy to burn. Paper composite, which can enhance flame retardancy and strength. Paint adhesive, because of its environmental friendliness, does not produce halogen harm, so it is gradually replaced by halogen flame retardant, which is very popular. In recent years, attention has been paid to the application of the textile industry, and the fabric is non-flammable and the touch remains unchanged. Medical equipment also uses its fire safety. Its nature is non-toxic and stable, and it has a wide range of prospects. It is a new weapon for modern technology.
    Research & Development
    The technology of the old chemical industry is advancing day by day, and the material is fully used in the world. Melamine phosphate, which is composed of melamine and phosphoric acid, has stable properties, high temperature resistance, and flame retardant effect. Scholars have been concentrating on years and repeated experiments to explore its mechanism, or microstructure, or pyrolysis process, all of which have been studied in detail to improve its efficiency and broaden its use. Today's process has gradually become exquisite, the particle size of the product is controllable, and the purity is higher. Complex is blended with various polymers, with better performance, which is the pride of polymer flame retardant materials. And its halogen-free and low toxicity, in line with environmental protection, will be applied to electronics, building materials, transportation and other fields in the future, and can be expected to have more outstanding effects. If the reaction is further studied and the ratio is optimized, melamine phosphate will shine brightly in the field of new materials.
    Toxicity Research
    Melamine Phosphate is a chemical that is also commonly used in flame retardant, and is widely used in plastics and coatings. Its sex is strong, but its toxicity cannot be ignored. Modern physicians have examined its effect in animals and found that if ingested too much, it is easy to cause kidney damage, stones, and even functional failure, which endangers life. Although the conventional dosage is tested in various processes, there is no need to worry deeply, but misuse or accumulation is ultimately harmful. The reason is that Melamine combines with organophosphates, which can form insoluble particles and accumulate in the kidneys of living organisms, thus forming a block. Therefore, national legislation strictly prohibits it from being mixed into food, indicating the safety category. Scientists repeated different doses, tried on pika, etc., and found that its LD50 was higher, and it was not a potent poison. However, if it was ingested in small amounts for a long time, there were still hidden worries. If you use this product, be careful to abide by the regulations and avoid abuse.
    Future Prospects
    Melamine phosphate is the most important flame retardant product in this world. The chemical industry has a unique path and is changing with each passing day, but its function is very great and it is very popular. Tracing back to Qingyuan, because of its halogen-free environmental protection, its application in plastics, coatings and building materials is increasing day by day. Today, energy conservation and environmental protection have become the world's most important, green materials are booming, and the market is becoming wider and wider. New technologies are emerging one after another, the process is advanced, the performance is better, and the efficacy is improving day by day. Looking to the future, it is expected that the demand for it will be prosperous in all walks of life, especially in the fields of automobiles, electronics, aviation, etc. Chinese and foreign scholars are working together to continuously innovate and apply, and its prospects are promising and stable. If we can take into account sustainable development and optimize production, we will definitely stand at the top of the industry.
    Where to Buy Melamine Phosphate in China?
    As a trusted Melamine Phosphate manufacturer, we deliver: Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements. Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery. Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
    Frequently Asked Questions

    As a leading Melamine Phosphate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What are the main uses of Melamine Phosphate?
    Melamine Phosphate, is a compound obtained by the reaction of melamine and phosphoric acid. Its white crystalline powder is stable in nature, and it releases non-flammable gas at high temperature. It has the characteristics of melamine and phosphorus elements. Its main uses are described in detail as follows: First, it has excellent flame retardant properties and is widely used as a flame retardant in polymer materials. All plastics, rubber, fibers, resins, etc. can be combined with this agent. In plastics, it is especially found in polyurethane, isocyanate foam, polypropylene, polyethylene, polyamide, epoxy resin, etc. When added to the material, it can enhance its flame resistance, improve safety standards, decompose and release harmless gases in case of fire, absorb heat and cool down, inhibit molten dripping, not only slow down the fire, but also reduce the release of smoke and harmful gases. In recent years, construction, transportation, electronics, household appliances and packaging and other fields have relied on this flame retardant. Second, its phosphorus and nitrogen coexist, which is environmentally friendly, especially better than halogen flame retardants. Halogen flame retardants are prone to release toxic gases when burned, while Melamine Phosphate can be avoided, and does not pollute the environment and does not damage material properties. With the increasingly stringent laws on safety and environmental protection, this agent has become popular and has become an important corner of the flame retardant industry. III. It can be used as filler and auxiliary agent. Its powder-like properties enable it to enhance the mechanical properties of materials and improve their flow and processing properties. It is also used in papermaking, coatings and other industries to enhance the performance of products and add special functions. It involves electronic insulation materials, building boards, carpet adhesives, etc., and can be seen in its applications. IV. It also has good results in high temperature resistance and thermal stability. It is used to improve the heat resistance grade of materials. It is suitable for cables, parts and special building materials under high temperature conditions. It has excellent stability and gives products a wider use space. Overall, Melamine Phosphate has become an indispensable help in modern industry due to its flame retardant, safety, environmental protection and multi-functional advantages, and its prospects are highly respected.
    What are the chemical properties and stability of Melamine Phosphate?
    Melamine Phosphate,belongs to the category of organic phosphorus flame retardants. Its chemical properties and stability are as follows: Melamine phosphate, a white crystalline powder with a melting point of more than 300 degrees Celsius, dissolves little in water, and first removes the crystal water when heated, and then decomposes into ammonia and various phosphoric acid derivatives. Its structure contains two groups of melamine and phosphoric acid, which are mainly connected by covalent bonds and hydrogen bonds. It is relatively stable at room temperature, is not easy to spontaneously ignite, and is not easy to deteriorate due to light and oxidation. As for acid-base conditions, it is easy to dissolve in water when exposed to strong acids, and produces phosphoric acid and melamine, while it exists stably in neutral or weakly alkaline environments. It exhibits special thermal stability under high temperature conditions. When heated to about 300 degrees, the crystalline water is released first, and then decomposed to form ammonia and polyphosphoric acid, and finally to form porous carbon residues and phosphate substances. This process is accompanied by endothermic effect and has flame retardant properties. When melamine phosphate is blended with polymers, it can significantly reduce the ignition point of materials and delay the spread of flames. Its slow-release ammonia and phosphorus has the effect of suppressing smoke and assisting carbon. Reacts slowly with oxidants and reducing agents, without violent chemical reaction, and is not easy to explode; however, it can also decompose slowly under long-term exposure to high temperature, high humidity or strong acid conditions. Under the condition of moisture, the hygroscopicity of melamine phosphate is not obvious, and the storage and transportation are relatively safe. Its toxicity is low, and it is less harmful to human body. It is used in polymer materials, plastics, fibers, coatings and other fields, and can significantly improve the flame retardant performance. Looking at its chemical properties, it is stable and solid, and can effectively prevent combustion when decomposed in case of fire. It is an ideal new type of environmentally friendly flame retardant material. The chemical properties of melamine phosphate are mainly stable, but it decomposes at high temperature, releasing flame retardant substances; it is mild in nature and has both safety and practical value.
    What role does Melamine Phosphate play in plastics?
    Melamine Phosphate is a chemical substance. It is stable, heat-resistant and flame-retardant, and is often used in the manufacture of plastics. Plastics are flammable materials, which can be burned in case of fire, causing damage to people and worrying about their lives. Arson has been a serious problem since ancient times, and the ancients still used lime to isolate smoke. Today, new methods must be used to control it. Melamine Phosphate, which has both flame retardant and heat-resistant effects, is a key agent for the improvement of plastics in this world. There are three reasons. First, when exposed to high temperatures, Melamine Phosphate decomposes and releases non-flammable gas, inhibits the contact of flammable molecules with air, reduces oxygen intake, and makes it difficult for fires to spread. Secondly, this material explains phosphoric acid, which is heated into phosphate and forms a carbonized layer on the surface of plastics. This carbon layer is tough, flame retardant and carbon-proof, and isolates air, while plastics are difficult to continue burning. Among the three, Melamine Phosphate contains nitrogen elements, which generate nitrogen and organic amines at high temperatures, dilute the oxygen in the fire field, and slow down the temperature rise of the ignition point. Since then, the three benefits have hindered the incineration of plastics, and the stability can be guaranteed. Therefore, large and small appliances rely on its help. Automotive, ship, electromechanical, and household daily products are mostly based on plastics. Or flashlight cables, or electronic components. Melamine Phosphate enters it, which can withstand fire and prevent problems before they occur. And because it is stable at high temperatures and light-resistant, it coexists with high temperatures of plastics, and does not hinder the texture and color. Compared with traditional halogen flame retardants, it is not only non-toxic and non-corrosive, but also has no black smoke and pungent, and is particularly environmentally friendly. It is a good material for modern plastics. Overall, the use of Melamine Phosphate is not particularly flame retardant, but also can strengthen the body of plastics and benefit the safety of future generations. Its method is simple and effective, and it is the trend of industry. Not only in Weijia Country, but also in the future. In short, Melamine Phosphate is the hub of safety in plastics, and it is also an important agent for protecting things and people.
    What are the packaging and storage requirements for Melamine Phosphate?
    Melamine Phosphate, a chemical product, its properties are white powder, it is insoluble in water, and it decomposes when it encounters high temperature or strong acid and alkali. Its nature is slightly toxic, if eaten or inhaled by mistake, it may cause health problems. It is a method of packaging and storage, which is really exquisite. Appropriate packaging, the first heavy seal. Use thick polyethylene bags, woven bags, cardboard drums, or high-strength plastic drums. It must be protected from moisture, avoid exposure to gas, and must not be stored with strong oxidants, acids, alkalis and food products. The packaging should be clearly marked, indicating "Melamine Phosphate", "moisture-proof and fire-proof" and safety warnings. During storage and transportation, beware of leakage and spillage, and keep away from fire sources and hot topics. When handling with care, do not damage the packaging to avoid flying and contamination. Store in a cool, dry and well-ventilated warehouse. Avoid exposure to high temperatures in the sun. The relative humidity in the warehouse should not be too high to prevent moisture invasion and material changes. And it must be set up to isolate counters, and flammable, explosive and volatile chemicals should not be stored together. Trays should be set on the ground, and there is a moderate gap between the objects and the wall and the ground to facilitate ventilation inspection. When a warning sign is hung in the storage area, fireworks are strictly prohibited, and unrelated people are strictly prohibited from entering. After each use, the package should be sealed tightly to prevent moisture absorption and agglomeration. Those who have been in storage for a long time should be inspected regularly to check for any loss of sealing and leakage. If any abnormalities are found, they must be dealt with properly in time. If it is accidentally scattered, collect it immediately with a damp rag or a special vacuum cleaner to avoid dust. Do not dry sweep it with a broom. Residual waste is handled according to chemical waste specifications and should not be dumped at will. In short, the packaging and storage of Melamine Phosphate must follow strict safety measures to ensure personal and environmental peace and prevent problems before they occur.
    How safe and environmentally friendly is Melamine Phosphate?
    Melamine Phosphate, It is a white powder, commonly used in flame retardant processes, can significantly improve the fire resistance of polymer materials. In terms of its safety, it depends on the nature and the use environment. Its nature is non-volatile, not easy to absorb moisture, and stable at room temperature. In conventional operation, Melamine Phosphate is non-flammable, non-explosive, and non-toxic to the operator. However, oral intake or inhalation of a large amount of dust can cause respiratory and digestive tract discomfort. If it comes into contact with the skin and eyes, it can also be mildly irritating. Wear a mask and eye protection during operation to prevent accidental entry into the body. Proper storage of regulations can avoid the risk of splashing and spreading. Considering its environmental protection, Melamine Phosphate has very stable chemical properties at room temperature and pressure, and is not easy to decompose into harmful gases. Compared with traditional halogenated flame retardants, it has no extremely toxic by-products such as dioxins and furans, clean combustion products, and good smoke suppression performance, so it is suitable for people's livelihood and industrial fields. However, if a large amount of waste is discarded in the environment, phosphorus can easily cause eutrophication and endanger water ecology, so it must be disposed of in accordance with environmental protection laws. And its biodegradability is limited, and if it accumulates over time, it can also cause soil load to gradually increase. At present, countries have established corresponding standards and emission regulations in accordance with their possible risks to ecology and human health to ensure that its use is harmless. Looking at the safety and environmental protection of Melamine Phosphate, it is a good substitute for halogenated flame retardants, which are neither highly toxic nor carcinogenic when burned. However, it needs to be used in accordance with regulations, control its dispersion, properly store and transport, and discard as usual. If it is used too much, it will be discarded improperly, and there will be ecological concerns. We should understand its nature, abide by its way, and use it rationally. It is desirable for safety and environmental protection. It is the best policy to benefit people and not harm things.