He Sheng Long New Materials
Products
Ammonium fluoride
Product name: Ammonium fluoride
CAS number: 12125-01-8
Molecular formula: NH4F
Molecular weight: 37.04
Technical index: GB28653-2012
Property : White crystals or powder, soluble in water, the aqueous solution is acidic, corrodes glass, decomposes on heating, and has strong corrosiveness and toxicity.
Uses: Glass etching, metal treatment flux, wood preservative, chemical synthesis, semiconductor industry.
Storage: Keep dry, seal tightly.
Packaging: Packaged in polyethylene plastic bags, each bag net weight 25kg.
|
Item |
Index |
|
|
Premium grade |
First grade |
|
|
Ammomium fluoride (NH4F), % ≥ |
95.0 |
93.0 |
|
Free acid (as HF) w/% ≤ |
1.0 |
1.0 |
|
Silicofluoride [(NH4)2SiF6], % ≤ |
0.1 |
1.0 |
