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Ammonium hydrogen fluoride

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Product name: ammonium fluoride.
Molecular formula: NH4HF2.
Relative molecular weight: 57.04.
CAS NO:

Executive standard: Q/ hd09-2001.

The index name	HG/T3586-1999 grade	Q/HD09-2005
Ammonium hydrogen fluoride (dry base meter)，%	≥97.0	97.0
Dry weight loss，%	≤3.0	3.0
Ignition residue，%	≤0.2	0.2
sulfate，%	≤0.1	0.1
Ammonium fluosilicate，%	≤2.0	0.6

Properties: white or colorless transparent rhombic crystal, with a slight acidity. Relative density 1.52, melting point is 125.6 ℃, boiling point of 240 ℃. In the air, the deliquescence is easy to dissolve in cold water and dissolve in hot water. The aqueous solution is highly acidic and can be sublimated at high temperature.
USES: can be used as chemical reagent, glass etching agent, frosting agent, aluminum surface treatment agent, fermentation industry, disinfectant and preservative, boiler feed water system and steam generating system of cleaning cleaning, and oilfield sandstone acidizing.
Packing: packed in woven bags lined with plastic bags, net weight of 25kg.
Storage, transportation and safety protection: other corrosion products (class 8.3), safety code 83019. Should be stored in cool, dry, clean warehouse, moisture-proof, rain. The operator must wear protective gear, touch the skin, and rinse immediately with plenty of water.

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