1. Dimethyl Methyl phosphate ( DMMP) 2 CAS: 756-79-6 3. As a phosphous fire retardants used in the ... ,PU,EP and so on . DMMP Flame RetardantDimethyl methylphosphonateCAS: 756-79-6Phosphorus content (Wt%) 25.0Density (25 c g/cm3)1 ... closed , cool, ventilated place Dimethyl Methyl Phosphate ( DMMP)/CAS:756-79-6