Formula: NaHF₂
Molecular weight: 61.99
Appearance: white crystalProperties: relative density 2.08, strong acid taste, soluble in water, decomposed into sodium fluoride and hydrogen fluoride by heat, insoluble in ethanol, water solution can corrode glass. The content of water insoluble matter was ≤0.2% , free acid (HF)≤0.2% , chloride (Cl)≤0.1% , sulfate (so _ 4)≤0.1% , silicate (sio _ 2)≤0.3% , water (h _ 2o)≤0.2%
Uses: food, animal specimens and anatomical specimens preservation agent, preservative, used for etching glass, tin plate manufacturing, textile processing, rust removal, leather pest control. A mixture with potassium fluoride can be used as a welding flux for metals.
Packaging/storage: plastic woven bags lined with double plastic bags sealed packaging, each net weight of 25 kg. Keep in a sealed, dry place. Do not store with organic materials.