Ammonium chloride

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Ammonium chloride
Names
IUPAC name
Ammonium chloride
Other names
Sal ammoniac, salmiac, nushadir salt, sal armagnac, salt armoniack
Identifiers
CAS number 12125-02-9
EC number 235-186-4
KEGG D01139
ChEBI CHEBI:31206
RTECS number BP4550000
ATC code B05XA04,G04BA01
SMILES [Cl-].[NH4+]
Properties
NH4Cl
Molar mass 53.491 g/mol
Appearance White solid
hygroscopic
Odor odorless
Density 1.5274 g/cm3
Melting point 338 °C (decomposes)
Boiling point 520 °C
297 g/L (0 °C)
372 g/L (20 °C)
773 g/L (100 °C)
Solubility in alcohol 6 g/L (19 °C)
Acidity (pKa) 9.24
1.642
Thermochemistry
Std enthalpy of
formation
ΔfHo298
−314.55 kJ/mol[1]
Standard molar
entropy
So298
94.85 J K−1 mol−1 [1]
Hazards
MSDS ICSC 1051
EU classification Harmful (Xn)
Irritant (Xi)
EU Index 017-014-00-8
NFPA 704

NFPA 704.svg

0
1
0
 
R-phrases R22, R36
S-phrases (S2), Template:S22
Flash point Non-flammable
Related compounds
Other anions Ammonium fluoride
Ammonium bromide
Ammonium iodide
Other cations Sodium chloride
Potassium chloride
Hydroxylammonium chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Ammonium chloride is a chemical compound composed of ammonium and chloride ions. It is a colorless crystalline compound. It is used in soldering. It is also used as an electrolyte in the Leclanche cell, a type of primary cell. Ammonium chloride can be deprotonated by strong bases such as sodium hydroxide to produce ammonia gas.It is sublime compound.

Related pages[change | change source]

References[change | change source]

  1. 1.0 1.1 Solid state data from Template:Nist