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Sodium Bifluoride

Molecular Formula: NaHF2
CAS NO.: 1333-83-1
Molecular Weight:61.99 
Property:White crystalline powder, soluble in water but insoluble in ethanol, toxic;decomposed into hydrogen fluoride and sodium fluoride by heating, corrode the glass by water solution with strong acidity, moisture absorption and release hydrogen fluoride in the moist air. The aluminum or aluminum alloy has corrosion resistance to hydrogen fluoride sodium at high tempreture. Relative density 2.08.
Specification:

 

Index

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First class product

Assay (NaHF2)

99.0 min.

98.0 min.

Water insolubles

0.2% max.

0.5% max.

Free acid (HF)

0.2% max.

0.2% max.

Chloride (Cl)

0.1% max.

0.1% max.

Sulfate (SO4)

0.1% max.

0.1% max.

Silicate (SiO2)

0.3% max.

0.5% max.

Moisture (H2O)

0.2% max.

0.5% max.

Usage:Food, animal specimens and anatomical specimens preserved agent, preservative, etched glass, tin plate manufacturing, textile processing, rust removal, the production of leather insect-resistant etc. Metal welding agent by mixing with potassium hydrogen fluoride.
Packing :25KGS compound bag, 25KGS plastic woven bag.
Caution at transportation:Must be kept from moisture.
Hazardous details:Inorganic acidic corrosive , UN No.: 2439 , Class: 8 , Packing group: II

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