Also known as Ammonium fluosilicate, is a white crystalline powder.


Formula: (NH4) 2SiF6
Loss by Drying (105 °C) : 0.4% max.
Free Acid (as H2SiF6):0.8% max.
Water insoluble matter: 0.5% max.
Sulfate: 0.50% max.

CAS: 16919-19-0

HAZARD: Strong irritant. TLV (F): 2.5 mg/m3 of air.


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