Cresy Diphenyl Phosphate

Cresy Diphenyl Phosphate

    Specifications
    HS Code 198351
    Chemical Formula C24H21O4P
    Molecular Weight 394.4 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 420 °C at 760 mmHg
    Flash Point 210 °C
    Density 1.202 - 1.212 g/cm³ at 20 °C
    Refractive Index 1.556 - 1.559 at 20 °C
    Solubility In Water Insoluble
    Solubility In Organic Solvents Soluble in many organic solvents like benzene, toluene
    Vapor Pressure Very low, around 1.33×10⁻⁴ Pa at 20 °C

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

    Packing & Storage
    Packing Cresy Diphenyl Phosphate packaged in 25 - kg bags for convenient handling.
    Storage Cresyl diphenyl phosphate should be stored in a cool, dry, well - ventilated area away from heat sources and ignition points. Keep it in tightly sealed containers to prevent moisture absorption and evaporation. Store separately from incompatible substances like strong oxidizers. This helps maintain its chemical stability and reduces risks of degradation or hazardous reactions.
    Shipping Cresy Diphenyl Phosphate is shipped in accordance with strict chemical transport regulations. It's typically packaged in sealed, corrosion - resistant containers to prevent leakage during transit, ensuring safety throughout the shipping process.
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    Cresy Diphenyl Phosphate Cresy Diphenyl Phosphate
    General Information
    Historical Development
    Cresy Diphenyl Phosphate is a chemical product. Tracing its origin, it was first seen in the late 19th century in Western countries. The process was not perfect and the application was rare. And science changed with each passing day, workshops improved one after another, and by the middle of the 20th century, the preparation method was becoming more and more precise. Chemists dissected its structure and learned that its flame retardant function is widely used in plastics and resins to prevent fire and disasters. In contemporary times, environmental protection is prevalent, and many flame retardants are banned in various countries. Cresy Diphenyl Phosphate is favored for its low toxicity and stability, and the market demand has surged. With technological progress, the production method tends to be green and environmentally friendly, the purity is improved, and the impurities are less and less. So companies at home and abroad compete to develop, and the categories are more and more complex, and the performance is better. Nowadays, this product has been widely used in all directions, and the process has become more and more advanced, making it an important member of modern flame retardants.
    Product Overview
    Cresy Diphenyl Phosphate is a chemical product. Its appearance is mostly colorless or light yellow liquid, with a slight odor, clear and stable quality. Its properties are stable, soluble in most organic solvents, insoluble in water. Mainly used for flame retardant between plastics and rubber, and can also be used as a plasticizer, giving physical properties to be flexible, heat resistant and anti-aging. And because of its excellent thermal stability, it is also respected for polymer materials. Industrial preparation, every distillate is strictly purified to ensure its purity and performance. Once applied, it is neither volatile nor highly toxic, so it is heavy in the fields of electronics and cables. Excellent texture, often assisting the main material to extend its life and optimize performance. Where it is safe and environmentally friendly, with excellent performance, Cresy Diphenyl Phosphate can be a good choice, widely used in many industrial categories around the world, and respected by the industry.
    Physical & Chemical Properties
    Cresy Diphenyl Phosphate is a phosphate ester compound. Its appearance is mostly colorless or slightly yellow oily liquid, with a slight fragrance. Its molecular formula is C18H15O4P, and its molecular weight is one in 340. Its melting point is -15 degrees Celsius, and its boiling point is about 400 degrees Celsius. It is insoluble in water, but soluble in alcohols, ethers and most organic solvents. Stable at room temperature, it decomposes easily when exposed to hot topics or open flames, releasing toxic phosphorus oxides and phenol gas. Its refractive index is about 1:1.537, and its density is 1:1.233. It can resist acid and alkali, and its chemical properties are relatively stable. It is difficult to react violently with most inorganic substances. However, in case of strong oxidizing agents, or long-term exposure to ultraviolet light, it is also at risk of decomposition. Due to its physical and chemical properties, it is widely used in plastics, such as flame retardancy and lubrication.
    Technical Specifications & Labeling
    Cresy Diphenyl Phosphate is a typical chemical category. Its properties are white crystalline and slightly aromatic. Its molecular formula is C18H15O4P, and its molecular weight is 330.28. The melting point is about 78-83 degrees Celsius, and the boiling point is more than 370 degrees Celsius. It is soluble in alcohol, ether, and slightly soluble in water. The density measurement is 1.21 grams per cubic centimeter at 25 degrees Celsius. The purity is more than 99 points, the moisture is not more than 0.5%, and the acid value is less than 0.1%. The packaging is mostly made of high-density polyethylene drums, with a net weight of 25 kilograms per barrel. It is also packaged according to customer needs. Store in a cool and dry place, away from fire sources, and sealed away from light to ensure long-lasting properties. It is widely used in fields such as flame retardants and plasticizers, and is labeled in English, batch number, and production date to ensure the authenticity of the circulation.
    Preparation Method
    Phenol and m-cresol are taken as raw materials, mixed according to the amount, and placed in the reaction kettle. Then slowly add phosphorus trioxide dropwise, the temperature gradually rises, and under stirring, the raw materials are mixed uniformly. Select appropriate catalysts, such as sulfuric acid, to catalyze the phosphorylation reaction, promote the full reaction of the hydroxyl group of phenol and m-cresol with phosphorus trioxide to form Cresy Diphenyl Phosphate, which is hydrolyzed by the by-product phosphoric acid and precipitated. After the reaction is completed, the unreacted impurities are separated by water separation, and the unreacted impurities are distilled under reduced pressure and refined by extraction to obtain a light yellow liquid or solid finished product. The reaction mechanism is actually nucleophilic substitution, the catalyst helps phosphoryl activation, and the hydroxyl group is nucleophilic, attacking the phosphorus center, so as to complete the product synthesis.
    Chemical Reactions & Modifications
    Cresy Diphenyl Phosphate is an organic phosphate ester with stable properties and is widely used as a flame retardant. Its chemical reaction depends mostly on the activity of the phenol group and the phosphate ester bond. In case of high temperature, it can be slowly released and decomposed to form phosphoric acid derivatives and phenolic compounds, which then promote the polymer to form a carbon layer and inhibit combustion. If you want to modify it, you can introduce functional groups to increase its polarity, or copolymerize with polymers to enhance compatibility and dispersion. Compound can graft alkyl groups, carboxyl groups, etc. in the molecular structure to regulate its thermal stability and migration resistance. If used in combination with other flame retardant additives, it can also reflect the synergy effect and greatly improve the flame retardant performance. In the field of polymer materials, "Cresy Diphenyl Phosphate" is suitable for wide application due to its good processing performance and thermal stability to meet the stringent flame retardant requirements.
    Synonyms & Product Names
    Cresy Diphenyl Phosphate is an organic phosphate compound, also known as diphenyl chloroester phosphate. Circulated in the market, or sold under the names of Cresyl diphenyl phosphate, CDP, diphenyl cresyl phosphate, diphenyl cresyl phosphate, etc. In France, it is called Diphenyl cresyl phosphate, and in English, it is also known as Triphenyl cresyl phosphate and TDCP. Or book Chemical Abstract No. 10146-76-8, its various names are different and refer to the same thing. It is also known as a flame retardant, a multi-purpose plasticizer, etc., such as Flame Retardant CDP, Plasticizer CDP, etc., to show its long and thick use. Although the names of the covers are different, they are actually from the same root and have the same origin, and they are connected to the shelves, and they have the same goal.
    Safety & Operational Standards
    Cresy Diphenyl Phosphate, chemical products are also flammable and toxic. When the deacon hears it, he should follow the operating specifications and carefully observe safety laws to protect himself and others. First, the storage must be placed in a ventilated and cool place, away from direct sunlight, away from fire and heat sources. The reservoir should be sealed and clearly marked, and food and beverages should not be accessible. It must also be isolated from oxidants and acids to prevent disasters. During operation, the deacon should wear goggles, masks, chemical gloves and tight work clothes to prevent splashing foam and dust from damaging the skin and breathing. Storage and handling, the movement should be slow, avoid impact, overturning and severe friction. If it escapes or spills, it must be quickly absorbed with an inert material, converged in a closed container, and properly disposed of to prevent leakage into the ground or water.
    In case of fire, use dry powder, foam or carbon dioxide extinguishing agent to put out the fire. Do not sprinkle water directly to avoid the spread of fire and the release of harmful gases. Emergency flushing equipment should be provided in the operation room, and staff must be familiar with first aid regulations. Those who accidentally touch the skin should be rinsed with water. If they still feel unwell, they should seek medical attention immediately. If they accidentally enter the eyes, continue to rinse them with water and seek medical assistance quickly. If they inhale steam, quickly move to a ventilated place, and give oxygen or artificial respiration to those who have difficulty breathing. If you eat it by mistake, do not urge vomiting, and seek medical attention immediately. After the operation, when washing hands and bare skin, do not touch the mouth and nose with your hands.
    I think that those who are good at quality are more skilled in their hearts and specialize in things, and should not take any chances. If you can follow the operating norms and act according to the rules, you will work peacefully and have no worries about your body and mind; if you are negligent, you will harm others and have endless consequences. If you cite the above articles, you will choose the law for the latecomers.
    Application Area
    Cresy Diphenyl Phosphate is an important chemical product. Its stability, heat resistance and flame retardant, commonly used as a flame retardant for plastics and rubber, and widely distributed in wires and cables, building materials, and automotive parts. It can be used as a plasticizer for polyvinyl chloride, acetate fiber and other materials to enhance its flexibility. And its chemical properties are mild, and it can also be used in paint inks to increase its durability and not easy to evaporate. In many fields such as medicine, electronics, and textiles, it also takes its excellent properties and is used as an auxiliary material. Nowadays, science is new, and various industries are advancing at the same time. The use of Cresy Diphenyl Phosphate is becoming more and more significant, which can be said to be an indispensable auxiliary for the polymer industry.
    Research & Development
    In the past, scholars focused on the chemical industry, and refined the research of Cresy Diphenyl Phosphate in organic phosphate esters, which changed with each passing day and deepened its theory. At first, considering its molecular structure, the synthesis route was ingeniously designed, and high-purity reagents were used to control the temperature and reaction time, so that the product was pure and free of impurities. Then try the physical and chemical properties, not only to test its heat resistance and stability, but also to review its flame retardant effect, to measure the decomposition temperature and to observe the solubility. On the application, expand its toughness and flame retardancy in plastics and resins, and test layer by layer, the advantages and disadvantages are remembered. With reference to international environmental protection standards, optimize production, remove harm and low toxicity, and meet the green development path. Scholars work tirelessly day and night, keeping track of the case, not only pursuing efficacy, but also seeking safety, progressing step by step, gradually improving, promoting national skills in the world, and also helping the sustainable prosperity of the world.
    Toxicity Research
    Cresy Diphenyl Phosphate has stable chemical properties, but its toxicity cannot be ignored. In the past, when mice were fed a small amount, they were found to be lethargic, loss of appetite, irregular breathing, muscle tremor, and then convulsion and even death. Take liver, kidney, lung and other organs, and look at them, and see tissue congestion and degeneration, cell structure disorder. Long-term exposure can easily cause nervous system dysfunction, reproductive disorders, and liver and kidney dysfunction. Odor is slightly irritating, and aspiration can also cause people to cough and asthma. However, when the dosage is low, the symptoms of poisoning gradually lighten, but its accumulation harm still exists, so it should not be taken lightly. Tests have shown that the mechanism of action of Cresy Diphenyl Phosphate is mostly related to cholinesterase inhibition, so protection must be strict and long-term exposure should be avoided.
    Future Prospects
    Cresy Diphenyl Phosphate is also a good product of chemical materials. It has stable properties, heat resistance and flame retardant, and is widely used around the world. Today, its applications are all over the fields of plastics, fireproof coatings, and electronic components, showing its excellent functions. With the rapid development of science and technology, and increasingly stringent environmental regulations, it is known for its halogen-free flame retardant and excellent performance, and it will definitely have a broader development prospect. With the rise of new materials, green manufacturing, and recycling in the future, its products will surely be innovative and refined. Whether it is polymer synthesis or new energy equipment, it can rely on its performance to improve the overall quality. It is expected that it will play an important role in the fields of flame retardant environmental protection and intelligent manufacturing, and the industrial demand will also rise. If we can refine the process, optimize the formula, and supplement it with a green concept, Cresy Diphenyl Phosphate will surely rank among the forefront of the industry and lead the future.
    Where to Buy Cresy Diphenyl Phosphate in China?
    As a trusted Cresy Diphenyl 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 Cresy Diphenyl 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 Cresy Diphenyl Phosphate?
    Cresy Diphenyl Phosphate, that is, p-cresol diphenyl phosphate, an organophosphorus compound. Its quality is colorless or slightly yellow liquid, with a light odor. Considering its physical properties, it is chemically stable, insoluble in water, soluble in a variety of organic solvents, heat-resistant and light-resistant, low volatility, and has a high refractive index. The method of preparation in the world is mostly obtained by the esterification reaction of phosphoric acid with p-cresol and phenol. The process is mature and the yield is very abundant. In the field of modern technology, it occupies the key and has a wide range of functions.
    In terms of its primary use, it is also an efficient flame retardant. Today, many polymer materials, such as polyvinyl chloride, polystyrene, epoxy resins, acetate fibers and rubber, are flammable and soluble, and the toxic fumes released by combustion are harmful to humans and animals. At this time, the addition of Cresy Diphenyl Phosphate can greatly improve its flame retardant properties. Its mechanism is to release phosphorus-containing volatiles during combustion, forming an inorganic phosphoric acid layer, covering the surface of the material, which not only isolates oxygen, but also absorbs heat, slows down the decomposition rate, inhibits the spread of flames, and ensures safety. It is commonly used in wire and cable cladding, building materials, vehicle interiors, and electronic and electrical appliances to reduce the risk of fire. It is not only effective, but also uses less amount, does not need to change the ratio of raw materials significantly, and the process is simple, which is favored by many manufacturers.
    In addition, this product has the ability to plasticize. Some plastics and rubber products, if they are polymerized with polymers alone, are often rigid in texture, brittle, and limited in application. Adding this ester can impart flexibility and ductility, improve processing performance, and prolong the life of utensils. Compared with ordinary phthalate plasticizers, it has lower environmental and health hazards, and is especially suitable for use as a high-performance environmentally friendly material for plasticization. In the fields of paint inks, adhesives, adhesives, etc., it can also be used as a viscosity adjustment and heat resistance aid, which is widely used.
    Because of its excellent chemical stability, it is difficult to decompose or migrate, and it is used as a durable aid for polymer formulations to delay aging. And p-cresol has sterilization and disinfection properties, and theoretical studies have tried to use it as a pesticide solvent or an industrial insecticide carrier. However, due to environmental protection and safety considerations, its practical application is still limited.
    In summary, Cresy Diphenyl Phosphate is an indispensable additive for modern chemical industry and material science. It is supplemented by flame retardant, plasticization, stability, etc., and has a great effect.
    What are the Chemical Properties of Cresy Diphenyl Phosphate?
    Cresy Diphenyl Phosphate, the Chinese name is o-cresol diphenyl phosphate, its chemical formula is C19H15O4P, which is one of the organic phosphate esters. The color is light yellow or colorless oily liquid, slightly aromatic, soluble in alcohols, ethers and most organic solvents, insoluble in water. The phosphorus atom in its structure is pentavalent, associated with diphenyl and o-cresol groups, and the molecular volume is large, and the chemical properties are relatively stable.
    This material is mild and not easy to hydrolyze. In case of strong acid or strong base, the phosphorus ester bond can be broken, and the raw o-cresol, phenol and inorganic phosphate can be broken. If the temperature is too high, it is easy to decompose and release toxic gases. Good light resistance and heat resistance. It is often used as a flame retardant and plasticizer, and is widely used in plastics, rubber, coatings, adhesives and many other chemical fields.
    In case of oxidants, the reaction is slow. If strong oxidants such as nitric acid and potassium permanganate can promote their decomposition. It can undergo ester exchange reaction with acid anhydride and chlorinating agents. Because the molecule contains aromatic rings, it has certain resistance to ultraviolet light. In case of open flame, it will burn, and irritating smoke will be emitted when burning. It can coexist harmoniously with most organic compounds, and there are few significant reactions under non-extreme conditions.
    For organisms, the toxicity of o-cresol diphenyl phosphate is lower than that of some halogenated organophosphates. However, there is still a risk of accumulation after long exposure, so it should be handled with caution. Stable and worry-free at room temperature and pressure, avoiding strong acids, strong alkalis, and strong oxidants, it is appropriate to store away from fire sources. Looking at its properties, it is suitable for use in occasions where stability is required such as heat resistance and flame retardancy, and it is a corner of industrial materials.
    From this perspective, o-cresol diphenyl phosphate has many advantages such as heat resistance, flame retardancy, stability, light resistance, and chemical resistance. In case of strong chemical reaction conditions, it will decompose into toxic substances, which need to be guarded.
    How safe is Cresy Diphenyl Phosphate?
    Cresy Diphenyl Phosphate, a chemical substance, is listed in the genus of organophosphates. Its properties are colorless or light yellow liquid, slightly aromatic, soluble in a variety of organic solvents, but slightly soluble in water. Because of its characteristics, it is widely used in industrial fields such as flame retardants, plasticizers and lubricants. Examining its safety, it is necessary to carefully observe its impact on the body, mind and environment.
    If it is toxic, Cresy Diphenyl Phosphate is moderately toxic. If people take it by mistake, inhalation, skin contact or orbital invasion, it often causes discomfort. Light headaches, dizziness, fatigue, heavy breathing difficulties, skin irritation, eye conjunctiva congestion. Over time, it may accumulate, or damage the function of liver and kidney, and also hinder reproduction and interfere with endocrine. Experimental animals who ingest too much, see liver hypertrophy, kidney damage, or nervous system disorders. Some literature, it is suspected of allergenicity and weak carcinogenicity, although the evidence is not sufficient, it should not be careless.
    Contact with this object should be protected. During process operation, wear protective gloves, closed goggles and special work clothes. Workplaces should be ventilated, and smoking and diet should be strictly prohibited. In case of leakage, adsorbent materials should be collected and disposed of immediately, and it should not be allowed to flow into water and soil. Waste disposal should be properly entrusted to qualified units in accordance with hazardous waste regulations.
    In terms of environmental hazards, Cresy Diphenyl Phosphate decomposes slowly in water bodies, which can cause acute and chronic poisoning to aquatic organisms, harming fish, invertebrates, etc. Although the potential for biological enrichment is not very significant, long-term low-concentration pollution should still be prevented. Its decomposition products are sometimes toxic and should be taken seriously.
    As mentioned in the review, Cresy Diphenyl Phosphate is under standardized application, and the harm is controllable; however, the operation, storage, transportation, and disposal should not be slack. If you do not follow the regulations, you will be poisoned in light, and the environmental protection will be damaged in severe cases. Therefore, it is necessary to be cautious and take all-round protection as the top, so as to avoid its disadvantages and enjoy the convenience of its use.
    What are the storage conditions for Cresy Diphenyl Phosphate?
    Cresy Diphenyl Phosphate is one of the organic phosphate esters. It is often used as a plasticizer for plastics. It is volatile and irritating, and its chemical properties are relatively stable, but it is easy to decompose when exposed to high temperature and strong oxidizing agents. Its storage should be in a clean and dry room, away from high temperature, open flame and strong oxidizing substances. Those who know that the temperature is suitable, and room temperature is better. Do not expose to sunlight to avoid decomposition due to excessive temperature or photocatalytic reactions. It should also be stored in a closed container to prevent moisture and air from invading, so as to preserve its original properties and avoid deterioration due to the influence of external air.
    Placement should be placed in a ventilated place, do not mix with food, feed and flammable and explosive materials. If there is any leakage, it should be immediately covered with dry sand to collect, and do not let it flow into waterways and sewer wells. During handling, it should be handled with care, avoid shock and knock, so as to avoid damage and leakage of the container. Aspiration and exhaust facilities should be prepared to prevent the accumulation of harmful vapors. When necessary, operators should wear protective gloves, goggles and work clothes to ensure safety. Fire protection equipment should be installed in storage places to prevent problems before they occur.
    Although its chemical properties are relatively stable, it should be stored for a long time. It is necessary to regularly inspect the sealing of the container to avoid wind, rain and moisture intrusion. If you see deterioration, turbidity or odor, you should follow the "cautious" way of the ancients, and then stop using it and dispose of it properly. Furthermore, do not store it with strong acids, strong bases and oxidizing agents, and it should be isolated and classified to avoid disasters due to violent reactions. If there is residual waste liquid, it should be properly disposed of in accordance with environmental regulations, and should not be dumped at will to protect the tranquility of the environment.
    In short, the storage of Cresy Diphenyl Phosphate should be safe, ventilated, protected from light, moisture, and fire, strictly abide by operating norms and take precautions. In this way, it is safe to store, and the physical properties can be used for a long time, which is conducive to production and safety.
    What are the main application industries of Cresy Diphenyl Phosphate?
    Cresy Diphenyl Phosphate, the Chinese name is m-cresol diphenyl phosphate, which belongs to organophosphorus esters. In chemical processes, it is often used as a plasticizer and flame retardant, and its functions are very wide. The appearance of this substance is mostly colorless or yellowish clear liquid, with a weak aroma, good solubility, and can be miscible with a variety of organic solvents. Tracing the industries involved in its application, there are mainly the following ends.
    One is the plastics industry. Today's polymer materials are popular, and their performance optimization depends on additives. M-cresol diphenyl phosphate is used to give plastic products flexibility and flame resistance. It has excellent properties and is not easy to evaporate, which helps to extend the life of products. It is commonly used in polyvinyl chloride, polystyrene, polycarbonate, epoxy resin and many other materials. Plastic cables, plates, films, etc. are all used for their gain properties.
    The second is the rubber products industry. Rubber products are complex and require a variety of characteristics. M-cresol diphenyl phosphate is known for its softness and flame retardancy. It can improve the heat resistance of rubber, make it easy to process and shape, and can also significantly enhance the safety characteristics. Automobile tires, conveyor belts, fire-resistant rubber mats, etc. are all used.
    The third is the coating and paint industry. The coating material pays attention to color stability, flame resistance and corrosion resistance. M-cresol diphenyl phosphate can participate in the formulation, and the coating film has excellent flexibility to help improve the fire resistance and corrosion resistance of the paint layer, especially in high-end industrial coatings, shipping paints, fire-resistant coatings, etc.
    Four for the electronics and electrical industry. The insulating materials used in electronic component products must have excellent flame retardant and insulating properties. M-cresol diphenyl phosphate is used in the production of wire and cable coating, circuit substrates, composite materials, etc., to ensure product safety and stability. It is widely used in the field of green and environmentally friendly electronic products such as low smoke and halogen-free, and can also reduce the risk of fire.
    Five is the adhesive and sealant industry. Often used as a plasticized flame retardant dual-function additive to make the material easier to coat or seal, and to enhance high temperature resistance and aging resistance.
    Overall, whether it is used in materials engineering, electronic and electrical, or coating chemical industry, m-cresol diphenyl phosphate is unique, which promotes the safety and durability of products and is valued by modern industry.