| Customization: | Available |
|---|---|
| CAS No.: | 68333-79-9 |
| Formula: | H12n3o4p |
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| Name | Ammonium polyphosphate |
| Synonyms | APP PNP CF-2 APP-0 APP-3 APP-1 XAP-01 ammonium polyphosphate Ammonium Polyphosphate (APP) Water-SolubleAmmoniumPolyphosphate polyphosphoric acids ammonium salts Polyphosphoric acids, ammonium salts ammonium polyphosphate flame retardant CrystallinePhaseIiAmmoniumPolyphosphate |
| CAS | 68333-79-9 |
| EINECS | 269-789-9 |
| Molecular Formula | H12N3O4P |
| Molar Mass | 149.086741 |
| Density | 1.74[at 20ºC] |
| Vapor Presure | 0.076Pa at 20ºC |
| Appearance | White powder |
| Storage Condition | −20°C |
| Physical and Chemical Properties | Ammonium polyphosphate can be divided into three types based on its degree of polymerization: low polymer, medium polymer, and high polymer. The higher the degree of polymerization, the smaller the water solubility. According to its structure, it can be divided into crystalline and amorphous types. Crystalline ammonium polyphosphate is water insoluble and long-chain polyphosphate. There are five variants from I to V type. |
| Use | Inorganic additive flame retardant, used in the manufacture of flame retardant coatings, flame retardant plastics and flame retardant rubber products, etc. It is mainly used in intumescent fire retardant coatings and thermosetting resins (such as polyurethane rigid foam, UP resin, epoxy resin, etc.), and can also be used for flame retardant of fiber, wood and rubber products. Since the APP has a high molecular weight (n>1000) and high stability, it can also be used as a main active ingredient of intumescent flame retardant thermoplastics, especially in PP up to UL 94-Vo for the manufacture of electronic parts. |
| Raw Materials | Methyl alcohol Phosphoric acid Ammonium dihydrogen phosphate Urea Phosphorus pentoxide |
| Reference
Show more
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1. Fang Lu, Lu Ning, Wu Yanan. Application of orthogonal test method in the study of intumescent fire-retardant coatings... |
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