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Products

Industrial Ammonium Bifluoride

Quality StandardGB28655-2012

Molecular FormulaNH4HF2                            Molecular Weight57.05

Item

Index

Top-grade

First grade

Qualified product

Ammonium Bifluoride (NH4HF2)(dry basis) w/% ≥

98.0

97.0

96.0

Ammonium fluosilicate[(NH42SIF6]  w/% ≤

0.5

1.5

3.0

Loss on drying  w/% ≤

1.5

3.0

4.0

Ignition residue w/% ≤

0.1

0.2

-

Sulfate(SO4) w/% ≤

0.1

0.1

-

 

Properties
The product is a rhombohedra or flaky crystal. It can deliquesce easily and dissolve easily in water. It can dissolve in alcohol slightly. It can be resolved when it is affected by the heat or it is in hot water. It can corrode glass. It’s poisonous.
Application
The product can be used for glass frosting or extracting rare elements and used as a preservative or a mordant.
Storage
Moisture-proof and sealed preservation is needed.
Transport
It should be treated as inorganic poisonous goods.
Packing
The product is packed in a 25kg polythene plastic bag. Also pack it on consumer requests.

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