Sodium hydrogen difluoride CAS 1333-83-1
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Product Description
Product Details
Introduction and Application
Properties:White crystalline powder, toxic, soluble in water, decomposed into sodium fluoride and hydrogen fluoride when heated, insoluble in ethanol, aqueous solution can corrode glass. Has a strong acid taste, absorbs water and releases hydrogen fluoride in humid air. At high temperature, aluminum or aluminum alloy has corrosion resistance to sodium hydrogen fluoride. Relative density 2.08.
Uses:It is used as a preservative for food, animal specimens and anatomical specimens, a preservative, and is used for etching glass, making tin plates, treating textiles, removing rust, and preventing insects from leather. It can be used as a metal welding agent when mixed with potassium bifluoride.
Specification
Item | Premium | First-class product |
Content (NaHF2) | ≥99 % | ≥98 % |
Water insoluble matter | ≤0.2 % | ≤0.5 % |
HF | ≤0.2 % | ≤0.2 % |
Cl | ≤0.1 % | ≤0.1 % |
SO4 | ≤0.1 % | ≤0.1 % |
SiO2 | ≤0.3 % | ≤0.5 % |
H2O | ≤0.2 % | ≤0.5 % |
Packaging and storage
Packaging: 25KGS composite bag, 25KGS plastic woven bag.
Transportation requirements: Inorganic corrosives. UN number: 2439, hazard category: Class 8. Prevent moisture.
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