Industrial Sodium Hydrogenfluoride
[Molecular Formula] NaHF2
[Molecular Weight] 61.99
[Properties]
Colorless or white quicksand-like crystal powder with strong acid odor, specific gravity: 2.08, soluble in water and insoluble in alcohol; absorb moisture and release hydrogen fluoride in moist air, decompose to sodium fluoride and hydrogen fluoride if being heated to 160°C; aluminum or aluminum alloy has anticorrosion function to sodium hydrogenfluoride under high temperature, its aqueous solution can corrode glass, toxic.
[Uses]
It is used as protective agent for food, conserving agent and antiseptic agent for animal specimen and dissection specimen; also used in glass etching, tintype making, textile treatment, rust removing and the production of tin plate, etc.
[Quality Index]
Item |
Index |
NaHF2, % ≥ |
98.0 |
Water-insoluble Matter, % ≤ |
0.5 |
Free Acid, % ≤ |
0.20 |
[Package] plastic woven bag lined with high-pressure polyethylene plastic bag, net weight: 25kg or 50kg/bag. |