Ammonium Bifluoride 98%min CAS NO. 1341-49-7

Ammonium Bifluoride 98%min NH4HF2 CAS NO. 1341-49-7

Synonyms	Acid Ammonium Fluoride, Ammonium hydrogen difluoride
Molecular Formula	NH4HF2
Mol. Wt	57.04
Cas No.	1341-49-7
UN No.	1727
EMS No.	F-A, S-B
EINECS No.	215-676-4
Physical state	White rhombus or flake crystal
Odor	acidic odor
Relative density	1,5 g/cm3
Melting point	125 °C(lit.)
Boiling point	230 °C
Stability	hygroscopic
Package	25 kg/bag or according to customer's requirements.
Storage	Store the container tightly closed in a dry, cool and well-ventilated place.
Transportation	Hazard Chemical, Hazard Class: 8, Packing Group: II, UN No.: 1727

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The Quality Specification of Ammonium Bifluoride 98% min

Product Name	Ammonium Bifluoride 98% min
Molecular Formula	NH4HF2
Molecular Weight	57.04
Index Name	Index
	Grade Ⅰ (Superior)		Grade Ⅱ
	A	B	C
Purity	≥ 98%	≥ 97%	≥ 95%
Loss on drying	≤ 1.6%	≤ 3%	≤ 5%
ignition residue	≤ 0.1%	≤ 0.2%	≤ 0.2%
SO₄	≤ 0.1%	≤ 0.1%	≤ 0.1%
(NH₄)₂SIF₆	≤ 0.8%	≤ 2%	≤ 4%

Ammonium bifluoride 98% min is a highly concentrated form of ammonium bifluoride

that is commonly used in industrial applications that require a high level of purity.

Some of the specific uses of ammonium bifluoride 98% min include:

1. Glass Etching

Ammonium bifluoride 98% min is used as a highly effective etchant for glass and ceramic materials.

2. Metal Surface Treatment

Ammonium bifluoride 98% min is used to treat metal surfaces to improve their adhesion and corrosion resistance.

3. Wood Preservative

Ammonium bifluoride 98% min is used as a wood preservative to protect against rot, fungus and insect attacks.

4. Disinfectant

Ammonium bifluoride 98% min is commonly used as a disinfectant for surfaces and materials in hospitals,

laboratories, and other facilities.

5. Semiconductor Manufacturing

Ammonium bifluoride 98% min is used in the preparation of solutions used in the manufacturing of semiconductors.

6. Aluminum Anodizing

Ammonium bifluoride 98% min is used in the anodizing process of aluminum and

other metals to produce a protective oxide layer.

7. Petrochemical Industry

Ammonium bifluoride 98% min is used in the petroleum refining process to remove impurities from crude oil.

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