potassium silicofluoride:

Molecular formula K2SiF6

Molecular weight 220.27

Identification Number: UN 2655

CAS Number: 16871-90-2

H.S code 28262000

Specifications:

Appearance: white powder

potassium fluorosilicate 98% min

Sulfate 0.2% max

Chloride(as Cl-) 0.10% max

Water-insoluble matter 0.5% max

Moisture: 0.5%max

Packing: in 25 kg plastic woven bag inside PE bag