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Quick Details

  • Classification: Halide (Except Chloride)
  • Type: Ammonium Bifluoride
  • CAS No.: 1341-49-7, 1341-49-7
  • Other Names: ammonium hydrogen fluoride
  • Place of Origin: China (Mainland)
  • Grade Standard: Agriculture Grade, Industrial Grade
  • Purity: 97%, 98%
  • Brand Name: Precision

Packaging & Delivery

Packaging Details Export Standard packing
Delivery Time After received your prepayment or L/C about 20 days.

Ammonium Bifluoride


Other names: ammonium bifluoride, ammonium hydrogen fluoride, ammonium acid fluoride, ammonium hydrofluoride, matte salt.

Ammonium hydrogenfluoride is a compound formed from ammonium fluoride and hydrogenfluoride, with hydrogen fluoride molecules occupying spaces in theammonium fluoride crystal lattice. It is the major constituent inglass-etching fluid (though sometimes replaced by potassium hydrogenfluoride), etching occurring due to the fluorination of silicon:
SiO2 (s) + 4[NH4][HF2] (aq) → SiF4 (l) + 4[NH4]F (aq) + 2H2O (l)
The structure of [NH4][HF2]contains tetrahedral [NH4]+ cations and linear [HF2] anions. Eachcation is surrounded by four fluorine atroms in a tetrahedron, withhydrogen - fluorine hydrogen bonds present between the hydrogen atomsof the ammonium ion and the fluorine atoms.
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