Ammonium Fluorosilicate[(NH4)2SiF6]/ Ammonium silicofluoride
FORMULA: (NH4)2SiF6 Molecular weight: 178.14 HAZARD CLASS: 6.1
H.S Code: 2826.1900.90 CAS No.: 16893-85-9 UN No.:2854
Properties:
Synthetic Cryoliteis a colorless crystalline powder, Model α Sp.gr.2.011g/cm3,
Model β Sp.gr.2.152g/cm3.It’s soluble in water and alcohol, but insoluble in acetone.
Model β Sp.gr.2.152g/cm3.It’s soluble in water and alcohol, but insoluble in acetone.
Usage:
used in brewery, glass etchant, moth repellant for textile, wood conserving agent; also used in metal casting, electroplating, extracting or producing artificial cryolite and ammonium fluoride, producing silicone catalyst.
Specification:
|
(NH4)2SiF6
|
≥98%
|
|
H2SiF6
|
≤0.3%
|
|
SO42-
|
≤0.6%
|
|
H2O
|
≤0.6%
|
|
Water undissolvable substance
|
≤0.5%
|
Packing: 25kg p.p woven bag within plastic film.
Storage: in cool and ventilated place.
Storage: in cool and ventilated place.

