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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.