Sal ammoniac

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Sal ammoniac[1][2] [3]
Mineralogical name Sal ammoniac
Chemical name Ammonium chloride
Trivial name
Chemical formula NH4Cl
Other forms
Crystal system cubic
Crystal structure
Deliquescence humidity 20°C 82% (10°C), 80% (20°C), 77% (30°C)
Solubility (g/l) at 20°C 37.4 g/l
Density (g/cm³) 1.526 g/cm3
Molar volume 35.06 cm3/mol
Molar weight 53.49 g/mol
Transparency transparent
Cleavage very good
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices n = 1.639
Birefringence
Optical Orientation isotropic
Pleochroism
Dispersion
Used Literature
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Weblinks[edit]

  1. http://webmineral.com/data/Salammoniac.shtml viewed on 29/07/2010
  2. http://www.mindat.org/min-30268.html viewed on 29/07/2010
  3. <bib id="Robie.etal:1978">