Ammonium chloride

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Ammonium chloride
Unit cell o ammonium chloride
Pouder o ammonium chloride
IUPAC name
Ammonium chloride
Ither names
Sal ammoniac, Salmiac, Nushadir salt, Sal armagnac, Salt armoniack
3D model (JSmol)
ECHA InfoCard 100.031.976
EC Nummer 235-186-4
E nummer E510 (acidity regulators, ...)
RTECS nummer BP4550000
Molar mass 53.49 g·mol−1
Appearance White solit, hygroscopic
Odour Odourless
Density 1.5274 g/cm3[1]
Meltin pynt 338 °C (640 °F; 611 K) decompones, sublimes
Bylin pynt 520 °C (968 °F; 793 K)
Sublimes at 337.6 °C[2]
ΔsublHo = 176.1 kJ/mol[3]
244 g/L (−15 °C)
294 g/L (0 °C)
383.0 g/L (25 °C)
454.4 g/L (40 °C)
740.8 g/L (100 °C)[4]
Solubility product, Ksp 30.9 (395 g/L)[5]
Solubility Soluble in liquid ammonia, hydrazine, alcohol, methanol, glycerol
Slightly soluble in acetone
Insoluble in diethyl ether, ethyl acetate[2]
Solubility in methanol 3.2 g/100 g (17 °C)
3.35 g/100 g (19 °C)
3.54 g/100 g (25 °C)[2]
Solubility in ethanol 6 g/L (19 °C)[1]
Solubility in glycerol 97 g/kg[2]
Solubility in sulfur dioxide 0.09 g/kg (0 °C)
0.031 g/kg (25 °C)[2]
Solubility in acetic acid 0.67 g/kg (16.6 °C)[2]
Vapour pressur 133.3 Pa (160.4 °C)[6]
6.5 kPa (250 °C)
33.5 kPa (300 °C)[1]
Acidity (pKa) 9.24
Magnetic susceptibility -36.7·10−6 cm3/mol
Refractive index (nD) 1.642 (20 °C)[2]
Speceefic heat capacity, C 84.1 J/mol·K[1]
Staundart molar
94.56 J/mol·K[1]
Std enthalpy o
−314.43 kJ/mol[1]
−202.97 kJ/mol[1]
B05XA04 (WHO) G04BA01 (WHO)
Safety data sheet ICSC 1051
GHS pictograms The exclamation-mark pictogram in the Globally Harmonized Seestem o Classification an Labellin of Chemicals (GHS)[6]
GHS signal wird Warning
GHS hazard statements H302, H319[6]
GHS precautionary statements P305+351+338[6]
NFPA 704
Flammability code 0: Will nae burn. E.g., watterHealth code 2: Intense or continued but nae chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 0: Normally stable, even unner fire exposur condeetions, an is nae reactive wi watter. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
Flash pynt Non-flammable
Lethal dose or concentration (LD, LC):
1650 mg/kg (rats, oral)
US heal exposur leemits (NIOSH):
PEL (Permissible)
REL (Recommendit)
TWA 10 mg/m3 ST 20 mg/m3 (as fume)[7]
IDLH (Immediate danger)
Relatit compoonds
Ither anions
Ammonium fluoride
Ammonium bromide
Ammonium iodide
Ither cations
Sodium chloride
Potassium chloride
Hydroxylammonium chloride
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
YesY verify (whit is YesYN ?)
Infobox references

Ammonium chloride is an inorganic compoond wi the formula NH4Cl an a white creestalline saut that is heichly soluble in watter.

References[eedit | eedit soorce]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Pradyot, Patnaik (2003). Handbook of Inorganic Chemicals. The McGraw-Hill Companies, Inc. ISBN 0-07-049439-8.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6
  3. Wiberg, Egon; Wiberg, Nils (2001). Inorganic Chemistry (illustrated ed.). Academic Press. p. 614. ISBN 0-12-352651-5.
  4. Seidell, Atherton; Linke, William F. (1919). Solubilities of Inorganic and Organic Compounds (2nd ed.). D. Van Nostrand Company.
    Results here are multiplied by water's density at temperature of solution for unit conversion.
  5. "Solubility Products of Selected Compounds". Salt Lake Metals. Retrieved 2014-06-11.
  6. 6.0 6.1 6.2 6.3 Sigma-Aldrich Co., Ammonium chloride. Retrieved on 2014-06-11.
  7. 7.0 7.1 7.2 NIOSH Pocket Guide tae Chemical Hazards 0029