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Sodium hydrogenfluoride
Sodium hydrogenfluoride

Molecular formula: NaHF2
CAS NO: 1333-83-1
Molecular weight:61.99 
Properties: White crystalline powder, poisonous, soluble in water, decomposed into sodium fluoride and hydrogen fluoride by heating, insoluble in ethanol, aqueous solution can corrode glass. Has a strong sour taste, absorbs water in humid air and emits hydrogen fluoride. At high temperatures, aluminum or aluminum alloys have corrosion resistance to sodium hydrogen fluoride. The relative density is 2.08.

Item

Index

content (NaHF2)

≥98.0%

chlorine (Cl)

≤0.1%

sodium sulfate(NaSO4)

≤0.5%

heavy metal (as Pb)

≤0.005%

SiO2

≤0.35%

water insolubles

≤0.5%

moisture

≤0.5%

-325 mesh

〈5%

To use: Preservative for food, animal specimens and anatomical specimens, preservative, used for etching glass, tin plate manufacture, textile treatment, rust removal, leather pest control. The mixture with potassium hydrogen fluoride can be used as a welding agent for metals.
Packaging: 25kg composite paper bag, 25kg woven bag.
Transportation requirements: Inorganic corrosive products. UN Number: 2439, Hazard category: Class 8.

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