... 115-77-5 2Pentaerythrite: ( PER), formula: C(CH2OH)4 3)Appearance: white crystal /power Pentaerythritol /Pentaerythritol Pentaerythrite is ... index: 1.548Pentaerythrite: ( PER)Formula: C(CH2OH)4 Mol.wt.136.15 Package 25KGS NET PP/PE BAG ... stablier,and PlasticizerOthers products:Hexamine ,Paraformaldehyde,Melamine,Itaconic acid ,Silane coupling agent ,VanillinAny questions ,pls feel free to contact us . ...