Melamine Pyrophosphate

Melamine Pyrophosphate

    Specifications
    HS Code 921990
    Chemical Formula C3H6N6·H4P2O7
    Molecular Weight 354.15 g/mol
    Appearance white powder
    Odor odorless
    Solubility In Water insoluble
    Density 2.0 - 2.2 g/cm³
    Melting Point decomposes before melting
    Thermal Stability good thermal stability
    Flammability non - flammable
    Ph Aqueous Suspension neutral to slightly acidic
    Particle Size usually in the micron range

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

    Packing & Storage
    Packing Melamine Pyrophosphate in 25 - kg bags for secure and convenient handling.
    Storage Melamine Pyrophosphate should be stored in a cool, dry place, away from heat sources and direct sunlight. Keep it in a well - sealed container to prevent moisture absorption and contamination. Store it separately from incompatible substances like strong acids and bases to avoid potential chemical reactions. This storage approach helps maintain its chemical stability and integrity.
    Shipping Melamine Pyrophosphate is shipped in well - sealed containers to prevent moisture and contamination. Packaging adheres to chemical transportation regulations, ensuring safe transit by road, rail, or sea.
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    Melamine Pyrophosphate Melamine Pyrophosphate
    General Information
    Historical Development
    Melamine pyrophosphate,began in the second half of the 20th century, due to the need of human beings for fire protection, seeking new materials. At first, Western scholars synthesized melamine and phosphate to obtain white powder, which has outstanding properties and can give polymers the effect of flame retardancy. Immediately, the substance is widely used in plastics, rubber, textiles and other fields, and its function has increased. With the advancement of science and technology, the preparation process has become more and more perfect, and the purity and stability have changed with each passing day. In recent years, the trend of environmental protection has prevailed, and people have emphasized green and halogen-free products. Melamine pyrophosphate is favored because of its low toxicity, less smoke and micro-residue. Today and in the future, its development is still being reinvented, and its application is becoming increasingly widespread, benefiting both industry and people's livelihood.
    Product Overview
    The name of this product is melamine pyrophosphate. It is a white or off-white powder with stable properties, slightly soluble in water, and soluble in strong acids. Its chemical properties are stable, high temperature resistant, and non-flammable. Mainly used for flame retardant of polymer materials, such as polypropylene, polyamide, epoxy resin, etc., it can synergize with various additives to effectively improve the flame retardant performance of the material. Its structure contains phosphorus and nitrogen, which generates a multi-bubble carbon layer in case of fire, isolating oxygen and preventing the spread of fire. It has the advantages of low smoke and low toxicity, and is widely used in electronics, building materials, transportation and other fields. It is an environmentally friendly halogen-free flame retardant, which can replace some traditional halogen products. Excellent preparation process, high purity, and widely favored by the industry.
    Physical & Chemical Properties
    Melamine Pyrophosphate, white as snow, fine as powder, slightly soluble in water, insoluble in alcohol. Stable properties at room temperature, not easy to deliquescence, fire will be incandescent, non-flammable and self-extinguishing. Its decomposition temperature is high, release phosphoric acid and nitrogen, can effectively isolate the air, inhibit the spread of fire. After testing, it has strong chemical properties in strong acids and alkalis, and the reaction can produce a variety of salts; mixed with high molecular polymers, it has both flame retardant effects, and does not affect the bulk color and mechanical properties. The particle size is fine, the distribution is uniform, and it is easy to extrude and injection molding processes. The moisture storage performance is small, and the storage needs to be dry and protected from light. If mixed with oxidants, it may cause adverse reactions. Its physicochemical properties are particularly found in fireproof materials, which are essential drugs for modern industrial flame retardants.
    Technical Specifications & Labeling
    Organic salts, called Melamine Pyrophosphate, white powder, slightly soluble in water. Its molecular formula is C H ³ N ³ P ² O, with a molecular weight of 492.14. The particle size is fine, and the number of common mesh can reach more than 325 mesh. Good thermal stability, decomposition temperature is higher than 300 degrees Celsius, not easy to volatilize. Whiteness above 90%, non-toxic, odorless. Phosphorus content about 31-32%, nitrogen content 28-29%. Moisture content is usually less than 0.5%. Purity can reach more than 98%. Used as a flame retardant, it has both environmental protection and safety effects, and is widely used in plastics, rubber, coatings, fiber industries. Packaging multi-purpose composite bags, the net weight of each bag is 25 kilograms, stored in a dry and ventilated place, moisture-proof and sun-proof. With safety label and quality inspection certificate.
    Preparation Method
    To prepare melamine pyrophosphate, take melamine as the main raw material, supplemented by pyrophosphoric acid, and mix in a clean vessel. Using an appropriate amount of water as the solvent, the temperature rises to the boiling point, and stirring makes the reaction uniform. Displace in the reactor and gradually heat to 140 to 180 degrees for three to five hours. During this time, melamine and pyrophosphate condensate, and hydrogen bond complexes are formed in the middle, and then by-products are released. The reaction is often not catalyzed by other substances, but sometimes slightly acidic or basic substances are added to fine-tune the balance and improve the conversion rate. After the reaction is completed, it cools, and the precipitated white precipitate is melamine pyrophosphate. After filtration, washing, and drying, the finished product is a loose powder, which is used for flame retardation.
    Chemical Reactions & Modifications
    Melamine pyrophosphate is particularly stable and is widely used in the field of flame retardancy. Its preparation method is obtained by the reaction of melamine and pyrophosphoric acid, during which the hydrogen bond structure between molecules is dense and insoluble in water. However, if you want to enhance its dispersion and compatibility, surface modification is often applied. Selecting a silane coupling agent or an organic acid treatment can make its surface polar groups more compatible with the polymer matrix, or blending with nanomaterials to increase its thermal stability and flame retardant efficiency. The chemical reaction undergoes dehydration of phosphite at high temperature, resulting in melamine pyrophosphate, which releases non-flammable gas and phosphoric acid decomposition products when exposed to fire, synergistically isolating the oxygen source, and forming a denser carbon layer. In the meantime, the most important way to modify lies in the design of molecular structure and the improvement of apparent activity, which not only maintains its flame retardant nature, but also makes it more adaptable to processing and has a wide range of applications.
    Synonyms & Product Names
    Melamine Pyrophosphate is a chemical and has many different names. There are ancient books called melamine pyrophosphate, which is translated from its English name, or MPP for short. Between shops, there are also names called melamine pyrophosphate and melamine diphosphate, all of which refer to the same ear. Or called Melapyr, Pyromelam, or take their characteristics and name them as flame retardant MP series, halogen-free flame retardant LMP, etc., all of which are self-created titles for ease of memory. There is an endless stream of domestic and foreign trade names, or they are named by corporate names, or they are distinguished by codes. The essence of chemistry is ultimately the product of the combination of melamine and pyrophosphate. However, the market uses similarities and differences, and it is necessary to identify their names to avoid misunderstandings between trade transactions.
    Safety & Operational Standards
    It is safe to use, the first protection. Melamine Pyrophosphate, in the shape of white powder, is slightly soluble in water, non-flammable in case of fire, but may cause human danger. When handling, it is advisable to wear appropriate work clothes, gloves and goggles to prevent dust particles from invading the skin and entering the eyes. If there is dust scattered, ventilation must be started, or exhaust facilities should be used to help it escape, and do not accumulate in a closed room. Do not inhale its dust. If you accidentally breathe, you should quickly leave the exposed place and breathe fresh air. If the situation is serious, you should seek medical attention.
    Store this thing away from the hot topic of fire, and keep it away from water, strong oxidants and other debris to avoid chemical reactions. The place where it is stored must be cool and dry, securely sealed in an airtight container, and an open flame must not be near. Daily handling, the action must be light, the container must be tightly covered, and it should not be poured upside down. If there is any escape, wipe it off with a damp cloth quickly, and do not let it flow into drainage ditches, rivers or soil to protect the natural environment.
    Wash it with your hands after use, and do not touch your face with your hands. If your clothes are contaminated, it should be easier immediately. Discarded clothes should be managed according to dangerous chemicals. If you are not careful to get into your eyes, rinse with water quickly, and your eyes are slightly open. The rinsing time is not less than fifteen minutes. If you feel tingling, you need urgent treatment. If it gets on your skin, wash it with water and soap for more than a few minutes; if you feel unwell, you should seek medical attention.
    Look around everything, the system must be strict, and special personnel are specially trained to know the nature and operation rules of Melamine Pyrophosphate. Do not ignore it, each operation must be supervised and safety devices checked before it can be carried out. After the matter is completed, the site is cleaned up without leaving any residue. In the event of a disaster, it is advisable to follow the emergency plan and report it to the competent department quickly. In this way, the rules are strict, and everyone who uses this thing will be safe and unsafe.
    Application Area
    Melamine pyrophosphate has stable properties, is not easy to decompose when heated, and has excellent flame retardant properties. It is widely used in plastics, rubber, wood, fiber and other materials. It is compatible with a variety of polymer matrices and can make up for the deficiency of fire. It is used in the manufacture of polypropylene, polyurethane, polyamide, etc., to improve its flame retardant grade. It can also work synergistically with aluminum hydroxide to improve the comprehensive fire protection efficiency. It is used in electronic devices, building materials, transportation, home decoration, etc., either as a coating or as an addition. It is halogen-free and environmentally friendly, which does not damage product performance and meets modern safety standards. Where fire protection is required, rely on this product to ensure safety.
    Research & Development
    Melamine Pyrophosphate is an important product of today's flame retardant materials. It has stable properties and high temperature resistance, and is widely used in plastics, coatings, fibers and many other fields. The chemical industry has responded to the needs of safety and environmental protection, and has increased its research and development. Zhu Xian has devoted himself to thinking about it, improving the synthesis path, reducing by-products, improving purity, and making the product properties more excellent. It has also explored its compatibility with various polymers, refined dispersion techniques, and promoted the development of flame retardant mechanisms. In recent years, scientists have explored the molecular structure and innovated modification methods to make it both highly flame retardant and low toxic. More green processes are adopted, energy conservation and emission reduction are promoted, and sustainable development is sought through continuous innovation. The research and development of Melamine Pyrophosphate integrates technological progress and ecological responsibility, and the future is promising.
    Toxicity Research
    Melamine pyrophosphate has a delicate chemical structure and is widely used in the flame retardant industry. However, its toxicity cannot be ignored. In addition, mice were taken orally in different doses, and their weight was reduced, blood biochemistry and tissue sections were observed, and there was a slight damage to liver and kidney. When tested by cell culture method, high concentrations can cause a decrease in cell activity. Although the acute toxicity is not significant, it may accumulate exposure, or there is a risk of kidney deposition and crystallization, which may damage health. Its metabolic process is complex, and it is slowly released and excreted in the body. Long-term exposure may cause chronic diseases. Therefore, in industrial applications, when improper intake is strictly avoided, Fang Baoning is better. Scientific testing and management are the best policy to prevent potential harm.
    Future Prospects
    Melamine pyrophosphate has unique properties and is used for flame retardant and has outstanding performance. With the progress of the times, technology is new and the process is more and more sophisticated, and the wonderful use of chemical reactions will become more and more apparent. Today, many industries such as plastics, rubber, coatings and electronics rely on its fire resistance properties. With the increasing requirements for environmental protection and safety, this product is halogen-free and low-toxicity, and should be increasingly favored. Developers have dedicated themselves to improving its dispersion and compatibility, so that it can be integrated into more polymer materials and expand the scope of application. It is also expected to combine nano-technology to improve flame retardant efficiency and reduce the amount of addition, in order to be lightweight and efficient, which is conducive to sustainable development. Looking forward to the future, with the trend of green manufacturing, Melamine Pyrophosphate will surely shine in the global market, helping human beings live and work in peace and contentment, and benefiting the world.
    Where to Buy Melamine Pyrophosphate in China?
    As a trusted Melamine Pyrophosphate 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 Pyrophosphate 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 Pyrophosphate?
    Melamine Pyrophosphate,is an important synthetic compound in modern chemical industry. Its shape is usually white powder, odorless, slightly soluble in water, and stable. The formation of this substance is obtained by the chemical reaction of melamine and phosphate. The process is simple and the yield is quite high. Its most significant use is flame retardancy. Many polymer materials in this world are easy to burn, and accidents are stacked, causing heavy losses. Melamine pyrophosphate can release non-flammable gases when heated, and at the same time form a film layer, which can isolate oxygen and heat sources and suppress the spread of combustion potential. It is synergistic with nitrogen and phosphorus elements, and has excellent flame retardant efficiency, especially suitable for organic polymer materials such as polypropylene, polyethylene, and rubber. Doping it in plastics, rubber, and coatings can significantly improve the flame retardant level of the material, and is widely used in various fields such as electronics, cables, electrical enclosures, and building materials. Ammonia and phosphoric acid are released during thermal decomposition, so it inhibits the combustion process very quickly. And this material does not contain halogen, does not produce toxic fumes, is safe and environmentally friendly, and meets the needs of today's high-performance materials and green manufacturing. In addition, melamine pyrophosphate can also be used in combination with other flame retardants such as melamine cyanurate and melamine polyphosphate to enhance the synergy effect. In addition, it is mixed with fiber, wood, and paper to effectively improve its fire resistance. It is easy to process and has good dispersion, does not affect the mechanical and electrical properties of the original substrate, and does not precipitate at high temperature, prolonging the life of the product. In summary, melamine pyrophosphate has become an indispensable member in the field of modern flame retardant materials due to its many characteristics of environmental protection, synergistic flame retardancy, and superior performance. Its wide application benefits the country and the people, and the prospect is bright. It is bound to become more and more useful with the progress of science and technology.
    What are the chemical properties of Melamine Pyrophosphate?
    Melamine Pyrophosphate, is actually a salt obtained by combining melamine and pyrophosphate. Its white powder has a very high melting point, is slightly soluble in water, and is not easily soluble in polar solvents. When heated to high temperatures, it decomposes melamine and various phosphates, and releases ammonia and water vapor. It is relatively stable in air and difficult to oxidize under normal conditions. If it is subjected to strong acid, it decomposes into melamine and phosphoric acid; when it encounters strong bases, it can also be hydrolyzed to dissociate amino compounds and sulfates. In its molecular structure, melamine nitrogen is combined with pyrophosphate, so it can slowly release nitrogen and phosphorus at high temperatures, and can be used as a flame retardant. In the event of an open flame or high temperature, it can absorb a lot of heat, causing the temperature of itself and surrounding substances to drop, and decompose the product nitrogen and phosphoric acid substances, which can block the oxygen supply of the air, and at the same time form a porous carbon layer attached to the surface of the material, making it difficult for the fire to spread. Therefore, it is widely used in the flame retardant treatment of polymer materials, such as plastics, rubber, fibers and coatings. Compatible with organophosphorus or nitrogen-based flame retardants, it can show a synergy effect. In addition, melamine pyrophosphate has milder chemical properties, is not prone to spontaneous combustion, and is less corrosive. It is less harmful to the environment and human body, and has an increasingly wide range of uses However, if it is in a dry high temperature or strong ultraviolet environment, it may also decompose slowly and needs to be properly stored. Although the stability is excellent, it needs to be properly protected in case of toxic gas produced by flame. In short, melamine pyrophosphate has both stable and decomposing chemical properties. It can not only withstand high temperature and retain its shape, but also gradually decompose and release inert gases and flame retardants under severe conditions. It is an indispensable key compound in contemporary flame retardant materials.
    Is Melamine Pyrophosphate Safe and Environmentally Friendly?
    Melamine pyrophosphate, is a synthetic product and is widely used in the flame retardant material industry. Examining its essence, the toxicity of melamine pyrophosphate is inexhaustible, but whether it is environmentally friendly or not needs to be determined. In the past, it was said that things have their own properties and also have their uses. Melamine pyrophosphate does not contain halogens, and produces less harmful gases during combustion, so it does not generate toxic substances such as dioxins and furans. Therefore, it is better than traditional halogen-containing flame retardants in the list of environmentally friendly flame retardants. Today's technology is changing, and many countries are promoting halogen-free flame retardants. The application of melamine pyrophosphate is increasingly widespread, which proves that it is in line with the general trend of sustainable development. Although it is widely used, its impact on the ecology cannot be ignored. Melamine has become the focus of everyone's concerns due to the food incident of infants and young children in history. Although pyrophosphate and melamine are separated and not directly ingested, they accumulate in nature for a long time, and their consequences cannot be ignored. If it is not handled properly, it will be discarded in soil, water, or there will be trace residues for passive plant absorption. After entering the human body, although it is not highly toxic, large doses or chronic exposure, it is still necessary to prevent accidents. Examine its production process, the source of raw materials is mostly fossil energy, which has a certain burden on energy consumption, water consumption, and exhaust emissions. However, compared with other flame retardants containing heavy metals and halogens, melamine pyrophosphate is still an excellent choice, does not produce highly toxic waste gas, and has no heavy metal pollution, which is in line with the current green chemistry concept. Overall, melamine pyrophosphate is safer and more environmentally friendly than traditional flame retardants, but it still needs to pay attention to the follow-up treatment of production and use. Only through full control can we ensure its benefits and no disadvantages. In the future, combined with material recycling and biodegradation technology, it may be able to make up for the shortcomings. Therefore, the essence of its safety and environmental protection needs to be continuously refined by new laws. It is passed down in the world and benefits people. Rational review and scientific application should be the best policy.
    What is the role of Melamine Pyrophosphate in flame retardant materials?
    Melamine pyrophosphate,is a chemical synthesized in this world to enhance the flame retardant properties of materials. The ancients studied fire properties and knew that the damage of materials was mostly caused by heat, so there was a way to treat fire. Today, the material science community especially focuses on fire prevention. On the function of melamine pyrophosphate in flame retardant materials, the following words are as follows: Melamine pyrophosphate has two elements of nitrogen and phosphorus, and its chemical properties are stable. It is placed in a polymer material, and it decomposes and releases non-flammable gases in case of fire, such as nitrogen, ammonia and water vapor, which has the effect of diluting flammable gases in the combustion zone; and pyrophosphate root splits at high temperature, helping to generate a dense carbon layer on the surface of the material. This layer is difficult to attack by fire, and has the power of isolating oxygen and suppressing heat transfer, so the substrate can be protected from fire. As for the melamine part, it has a solid shape, high decomposition temperature, and does not disintegrate quickly when heated. It is suitable for polypropylene, epoxy resins, rubber and fiberboard and other substrates. And melamine pyrophosphate is an environmentally friendly flame retardant. It has less smoke and light toxic gas when burning, which is better than halogen-containing flame retardants. In combination with other inorganic flame retardants, it can also produce a synergy effect, sponsor the formation of carbon layers, and delay the spread of fire. Therefore, it is highly reused in the modern flame retardant industry. The concept of green safety pursued in this world requires materials to be both fireproof and harmless. Melamine pyrophosphate is not only flame retardant but also environmentally friendly, especially suitable for furniture, home appliances, building materials and other fields, and has an invisible protection for people's lives and property. In short, the secret of this compound is that it coexists with nitrogen and phosphorus, which can greatly increase the flame resistance of materials through multiple mechanisms. It is based on the observation that melamine pyrophosphate has the ability to stabilize carbon and protect the base, release gas and extinguish flames, and is an indispensable help in the development of various flame retardant materials.
    What are the precautions for storage and transportation of Melamine Pyrophosphate?
    Melamine Pyrophosphate,white powder, is widely used in flame retardant. Its storage and transportation must be carefully followed to prevent deterioration and harm. It is described as follows: First, it must be selected in a cool and dry place, do not let damp, cover wet easy to agglomerate, performance degradation. Also avoid direct sunlight, long time will deteriorate and fail. Must be stored in a sealed container, isolated from outside water vapor and dust. The container should be plastic drums, iron drums, etc., should be intact, strictly prohibited from leaking, keep the packaging intact. Storage must be well ventilated to prevent moisture in the air from accumulating, keep suitable temperature and humidity. Second, when transporting, it should be handled smoothly and lightly, and it should not be thrown under heavy pressure to prevent package damage and leakage. In case of rain and snow, make sure to cover with waterproof to avoid moisture. Do not mix with acid, alkali and oxidant miscellaneous stores to prevent chemical reactions. The transportation vehicle must be clean and free of impurities, placed safely, and kept dry. Third, in case of fire, do not use water to put out, and use dry powder, carbon dioxide and other fire extinguishers. When extinguishing fire, personnel must wear gas masks to prevent harmful smoke inhalation. If a leak is found, the residue should be collected immediately, and there is no danger of flowing into the sewer and the environment. Fourth, wear dust masks, gloves and other protective equipment during operation, and beware of inhalation or skin contact. Wash your hands after use, and it is strictly forbidden to eat and operate in parallel to ensure health. In summary, the storage and transportation of melamine pyrophosphate is important in preventing moisture, impurities, breakage, and change. In this way, it can be stored for a long time without failure, transported without danger, and widely used without safety.