Acids & Salts Available to Source

Ammonium Bifluoride

CAS 1341-49-7 · MF F2H5N · MW 57.044 g/mol · UN 1727 (AMMONIUM BIFLUORIDE, SOLID)

Ammonium Bifluoride (CAS 1341-49-7) is an inorganic fluoride salt with molecular formula F2H5N that functions primarily as a pH adjustment agent in industrial chemical processes. This corrosive compound finds application across industrial manufacturing, mining, and oil & gas operations where precise pH control is required. The material exhibits a density…

SDS / TDS Download
CAS Number
1341-49-7
Molecular Formula
F2H5N
Molecular Weight
57.044 g/mol
Material Family
Acids & Salts
Functional Roles
Physical Properties
melting_point
258 u00b0F (USCG, 1999)
boiling_point
463.1 u00b0F at 760 mmHg (Decomposes at 446 u00b0F) (USCG, 1999)
density
1.5 at 68 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
Solubility in 90% ethanol = 1.73X10+5 mg/L
ph
pH = 3.5 (5% solution)
GHS / SDS Safety Danger
Irritant Acute Toxic Health Hazard Corrosive
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H318 (19%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H314 (> 99.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
  • H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
  • H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H301: Toxic if swallowed [Danger Acute toxicity, oral]
  • H331 (14.2%): Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H310 (14.2%): Fatal in contact with skin [Danger Acute toxicity, dermal]
Chemical Identity
CAS Number1341-49-7
IUPAC Nameazanium;fluoride;hydrofluoride
InChI KeyKVBCYCWRDBDGBG-UHFFFAOYSA-N
PubChem CID 14935
Synonyms & Trade Names
AMMONIUM BIFLUORIDE Ammonium difluoride Ammonium hydrogen difluoride Ammonium hydrofluoride Acid ammonium fluoride Ammonium acid fluoride Ammonium hydrogen bifluoride Ammonium fluoride ((NH4)(HF2)) Fluorure acide d'ammonium C2M215358O Ammonium fluoride comp. with hydrogen fluoride (1:1) RefChem:112136 DTXCID309645 Ammonium hydrogen fluoride azanium;fluoride;hydrofluoride
Full Description

Ammonium Bifluoride (CAS 1341-49-7) is an inorganic fluoride salt with molecular formula F2H5N that functions primarily as a pH adjustment agent in industrial chemical processes. This corrosive compound finds application across industrial manufacturing, mining, and oil & gas operations where precise pH control is required. The material exhibits a density of 1.5 g/cm³ at 68°F and decomposes at 446°F, requiring careful handling due to its corrosive and toxic properties.