TMP,Trimethylolpropane,CAS NO.:77-99-6 TMP,Trimethylolpropane,CAS NO.:77-99-6 Description:Name: Trimethylolpropane (TMP) CAS No.: 77-99-6Struc. formula: CH3CH2C(CH2OH)3Mole. weight: 134.17Hygroscopicity: Strong ability to absorb moisture while exposed to atmosphereSolubility: Easily soluble in water and acetone, soluble in carbon tetrachloride, chloroform and aether, insoluble in fatty ...