Catalog Number
ACMA00014296
Product Name
Ammonium Bifluoride
Description
DryPowder; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals
IUPAC Name
azanium;fluoride;hydrofluoride
Molecular Weight
57.044g/mol
Canonical SMILES
[NH4+].F.[F-]
InChI
InChI=1S/2FH.H3N/h2*1H;1H3
InChI Key
KVBCYCWRDBDGBG-UHFFFAOYSA-N
Boiling Point
240 °C (decomposes)
Solubility
Solubility in 90% ethanol = 1.73X10+5 mg/L;In water, 6.02X10+5 mg/L at 20 °C
Color/Form
Rhombic or tetragonal crystals;Orthorhombic crystals;White crystals
Corrosivity
Will etch glass;In presence of moisture will corrode glass, cement, and most metals.
Covalently-Bonded Unit Count
3
Heat of Vaporization
65.3 kJ/mol
MeSH Entry Terms
ammonium bifluoride;ammonium fluoride;ammonium fluoride (NH4-HF2);ammonium fluoride dihydrate;ammonium fluoride monohydrate
Monoisotopic Mass
57.039005g/mol
Other Experimental
Deliquescent;Standard heat of formation = -798.3 kJ/mol; Heat of fusion = 19.1 kJ/mol; Heat of solution = 20.3 kJ/mol; Heat of dissociation = 141.4 kJ/mol; Heat capacity = 106.7 J/mol-K at 25 °C; Hygroscopic if ambient humidity over 50%; no tendency to form hydrates
Refractive Index
Index of refraction = 1.390