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Ammonium bifluoride

Ammonium bifluoride
company Wuhan Heide Chemical Development Co., Ltd.
Update2011-03-30
Original RegionChina
Ammonium bifluoride

Molecular formula: HBF4
Relative molecular weight: 87.81
CAS NO: 16872-11-0


Executive standard: Q/HD04-2005

Item
Index
Index
Fluoroboric acid (HBF4), % ≥
49.5
49.5
Free boric acid, % ≤
2.5
2.5
Iron (Fe), % ≤
0.005
0.005
Chloride, % ≤
0.005
0.005
Sulfate, % ≤
0.003
0.01
Pb %----0.005

Properties: Colorless transparent liquid; relative density is about 1.37; blendable and soluble in water and alcohol; decompose when heated to 130℃; can react with metallic element, metallic fluoride, oxide, hydroxid or carbonate to produce corresponding fluoborate; toxic.
Use: Fluoroboric acid is the main component of electroplate liquid. It can be used as catalyst for alkylation and polymerization, and is the material to make various fluoborate. Its 2.5% solution can be used to electrolytically polish pure aluminum. Moreover, it can be used to clean and corrode metal surface oxide and silicate film.
Packing: Pack in 6kg, 25kg, 30kg or 250kg polyvinyl plastic drum.
Storage, transportation & safety protection: It belongs to second-class inorganic acid corrosives, UN No. 81026. Please handle it with care. Once touching it, please rinse the skin with lots of water immediately.

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