[Chemical name]: Tris(4-aminophenyl) thiophosphate

[CAS number]:  52664-35-4

[Molecular formula]: C₁₈H₁₈N₃O₃PS

[Molecular weight]: 387

[Physical and chemical properties]: Melting point 149 ℃ -153 ℃; white powdery solid or crystal; will be oxidized to make the color darker if exposed to high temperature, light and long-term exposure to air. Soluble in acetone, dichloroethane and other organic solvents easily, soluble in methanol, ethanol, dichloromethane, benzene, etc. It is difficult to dissolve in water. Not easy to burn and slightly toxic.

[Main uses]: used in the preparation of intermediates of pharmaceuticals, pesticides and dyes, etc., and the application of high-end polyurethane chain extenders.