Ammonium fluoride

Ammonium fluoride
The ammonium cation
The ammonium cation
The fluoride anion
The fluoride anion
ball-and-stick model of an ammonium cation (left) and a fluoride anion (right)
Solid sample of ammonium fluoride
Names
IUPAC name
Ammonium fluoride
Other names
Neutral ammonium fluoride
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.031.975 Edit this at Wikidata
EC Number
  • 235-185-9
RTECS number
  • BQ6300000
UNII
UN number 2505
  • InChI=1S/FH.H3N/h1H;1H3 checkY
    Key: LDDQLRUQCUTJBB-UHFFFAOYSA-N checkY
  • InChI=1/FH.H3N/h1H;1H3
    Key: LDDQLRUQCUTJBB-UHFFFAOYAM
  • [F-].[NH4+]
Properties
NH4F
Molar mass 37.037 g/mol
Appearance White crystalline solid
hygroscopic
Density 1.009 g/cm3
Melting point 100 °C (212 °F; 373 K) (decomposes)
83.5 g/100 ml (25 °C) [1]
Solubility slightly soluble in alcohol, insoluble in liquid ammonia
−23.0×10−6 cm3/mol
Structure
Wurtzite structure (hexagonal)
Hazards
GHS labelling:[2]
GHS05: Corrosive GHS06: Toxic
Danger
H301, H311, H314, H330, H331
P260, P261, P264, P270, P271, P280, P284, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P320, P321, P322, P330, P361, P363, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
3
0
0
Flash point Non-flammable
Safety data sheet (SDS) ICSC 1223
Related compounds
Other anions
 Ammonium chloride
Ammonium bromide
Ammonium iodide
Other cations
 Sodium fluoride
Potassium fluoride
Related compounds
 Ammonium bifluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Ammonium fluoride is the inorganic compound with the formula NH4F. It crystallizes as small colourless prisms, having a sharp saline taste, and is highly soluble in water. Like all fluoride salts, it is moderately toxic in both acute and chronic overdose.[3]

  1. ^ "Ammonium Fluoride". pubchem.ncbi.nlm.nih.gov.
  2. ^ "Ammonium Fluoride". pubchem.ncbi.nlm.nih.gov.
  3. ^ "Fluoride Toxicity - an overview | ScienceDirect Topics". www.sciencedirect.com. Retrieved 2020-12-16.