Product Description of Melamine Phosphate (MP) CAS#20208-95-1
Melamine phosphate (MP) is an efficient nitrogen-phosphorus based halogen-free flame retardant that typically appears as a white powder. Its molecular formula is C₃H₉N₆O₄P, with a molecular weight of 224.12. It exhibits low solubility in water (approximately 3.9 g/L at 20°C) and methanol, while maintaining good stability under normal ambient conditions.
As an environmentally friendly flame-retardant additive, Melamine phosphate is widely applied in the modification of plastics, coatings, fibers, and other combustible materials. It improves flame resistance by combining gas-phase dilution and condensed-phase protection mechanisms, including the release of inert gases and the formation of a protective carbonized layer.
Due to its excellent flame-retardant efficiency, chemical stability, and compatibility with various material systems, Melamine phosphate is an important additive for developing safer and more sustainable flame-resistant products.

Melamine-phosphate Chemical Properties
| English Name | Melamine-phosphate |
| English Synonyms | triazine triamine phosphate;INTUMESCENT COMPOUND KE 8000;1,3,5-triazine-2,4,6-triamine phosphate;S LFR-7;MELAMINE PHOSPHATE;Melamine Phosphate(FR-MP);1,3,5-Triazine-2,4,6-triamine, phosphate (1:);Ei necs 255-449-7 |
| CAS Number | 41583-09-9 |
| Molecular Formula | CЗH9N604P |
| Molecular Weight | 224.12 |
| EINECS Number | 255-449-7 |
| Melting point | 120 - 122°C |
| density | 1.74 |
| storage temp. | Refrigerator |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| color | White |
| Water Solubility | 3.9g/L at 20℃ |
| EPA Substance Registry System | 1,3,5-Triazine-2,4,6-triamine, phosphate (41583-09-9) |
Product Application of Melamine Phosphate (MP) CAS#20208-95-1
Melamine Phosphate is a highly effective halogen-free flame-retardant additive widely used in the modification of polymer materials. It is commonly incorporated into polyolefins, epoxy resins, polyurethanes, and various rubber products to improve flame resistance and enhance overall material safety.
In polyolefin applications, including plastic packaging materials, Melamine Phosphate helps reduce flammability and improve fire protection performance. It is also suitable for epoxy-based systems, polyurethane materials, and elastomer products, where it contributes to better flame-retardant properties while maintaining material performance.
With its excellent thermal stability, compatibility, and environmentally friendly characteristics, Melamine Phosphate is an important additive for developing safer, high-performance flame-resistant plastics, coatings, and composite materials.

