Ammonium Silicofluoride By Sino Resource Asia Ltd

We are instrumental in providing to our valuable customers excellent quality Ammonium Silicofluoride which is available with following specification:-
Molecular formula: (NH4)2SiF6
Cas#:16919-19-0
Molecular weight:178.15
Performance and property:It is a colorless or white crystal powder. It has two modifications: a and . The a modification has cubic phase with density of 2.011/cm3 and the modification has trigonal phase with density of 2.152g/cm3. It is soluble in water and alcohol, but insoluble in acetone. It is stable in air. The modification will be destroyed and translated to a modification when it is long heated. Poisonous!

Impurity Level:-
Main Content : a Y98%
Fluorosilicic acid (H2SiF6) : a 0.3%
Sulphate(SO4) : a 0.6%
Moisture(H2O) : a 0.6%
Water insoluble matter : a 0.5%
Packing: Packing with plastic weave bag lined with polythene plastic bag of 25kg.