Names
IUPAC nameAmmonium hydrogen fluoride
Other names
Ammonium acid fluoride
Ammonium hydrogen difluoride
Identifiers
CAS Number: 1341-49-7
JSmol: Interactive image
ChemSpider: 21241205
ECHA InfoCard: 100.014.252
EC Number: 215-676-4
PubChem: 14935
UNII: C2M215358O
UN number: 1727
Properties
Chemical formula: F2H5N
Molar mass: 57.04 g·mol
Appearance: White crystals
Density: 1.50 g cm
Melting point: 126 °C (259 °F; 399 K)(decomposes)
Boiling point: 240 °C (464 °F; 513 K)
Solubility in water: 63g/100ml 20 °C
Solubility: slightly soluble
Refractive index: 1.390
Structure
Crystal structure: CsCl
Coordination geometry: [NH]
Hazards
GHS pictograms:
GHS hazard statements: H301 H314
GHS precautionary statements: P280 P301+310 P305+351+338 P310
NFPA 704:
Related compounds
cations: potassium bifluoride
Related compounds: ammonium fluoride
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).