| Ammonium Fluoride |
Formula: NH4F
CAS NO.: 12125-01-8
M.W.: 37.04
Properties: It is a white crystal with corrosive to skin and toxic. It is soluble in water and methanol, slightly soluble in ethanol, insoluble in propanone and liquid ammonia. When it is in hot water decomposition will occur to release ammonia and ammonium bifluoride.
Specification (%):
|
Assay(NH4F)
|
95.0 min.
|
|
Residue on ignition
|
0.2 max.
|
|
Free acid(as HF)
|
1.0 max.
|
|
Free base(as NH4OH)
|
Pass through tests
|
|
Fluorosilicate(as SiO2)
|
0.5 max.
|
|
Fe
|
0.01 max.
|
|
Heavy metal(as Cu)
|
0.006 max.
|
Application: It is used for extracting rare elements ,glass etchant, preservative and disinfector in timber and brewing,fibrous mordant and analytical reagent.
Storage: store at a dry ventilated place, avoid wetting.
Packing: 25Kg net, double plastic bags lined plastic woven sack.
Storage: store at a dry ventilated place, avoid wetting.
Packing: 25Kg net, double plastic bags lined plastic woven sack.