Aluminium chloride
chemical compound
Aluminium chloride (AlCl3), is a chemical compound. It is a white or yellow crystalline solid. It melts at a low temperature. It is made by reacting aluminium oxide with hydrochloric acid. The anhydrous (without water) form may be made by reacting aluminium and chlorine. It is used in the making of chemicals. It is also used in deodorants. It can cause slight irritation.
Names | ||
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IUPAC name
aluminium chloride
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Other names
aluminium(III) chloride
aluminum trichloride | ||
Identifiers | ||
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3D model (JSmol)
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ChEBI | ||
ChemSpider | ||
ECHA InfoCard | 100.028.371 | |
Gmelin Reference | 1876 | |
PubChem CID
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RTECS number |
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UNII | ||
CompTox Dashboard (EPA)
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Properties | ||
AlCl3 | ||
Molar mass | 133.341 g/mol (anhydrous) 241.432 g/mol (hexahydrate)[1] | |
Appearance | white or pale yellow solid, hygroscopic | |
Density | 2.48 g/cm3 (anhydrous) 2.398 g/cm3 (hexahydrate)[1] | |
Melting point | 192.6 °C (378.7 °F; 465.8 K) (anhydrous)[1] 100 °C (212 °F; 373 K) (hexahydrate, dec.)[1] | |
Boiling point | 180 °C (356 °F; 453 K) (sublimes)[1] | |
439 g/l (0 °C) 449 g/l (10 °C) 458 g/l (20 °C) 466 g/l (30 °C) 473 g/l (40 °C) 481 g/l (60 °C) 486 g/l (80 °C) 490 g/l (100 °C) | ||
Solubility | soluble in hydrogen chloride, ethanol, chloroform, carbon tetrachloride slightly soluble in benzene | |
Vapor pressure | 133.3 Pa (99 °C) 13.3 kPa (151 °C)[2] | |
Viscosity | 0.35 cP (197 °C) 0.26 cP (237 °C)[2] | |
Structure | ||
Monoclinic, mS16 | ||
C12/m1, No. 12[3] | ||
a = 0.591 nm
, b = 0.591 nm , c = 1.752 nm[3]
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Lattice volume (V)
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0.52996 nm3 | |
Formula units (Z)
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6 | |
Octahedral (solid) Tetrahedral (liquid) | ||
Trigonal planar (monomeric vapour) | ||
Thermochemistry | ||
Std enthalpy of formation ΔfH |
−704.2 kJ/mol[4] | |
Standard molar entropy S |
109.3 J/mol·K[4] | |
Specific heat capacity, C | 91.1 J/mol·K[4] | |
Pharmacology | ||
D10AX01 (WHO) | ||
Hazards | ||
NFPA 704 |
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U.S. Permissible exposure limit (PEL) |
none | |
Related compounds | ||
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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 | ||
Related pages
changeSources
change- ↑ 1.0 1.1 1.2 1.3 1.4 Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.45. ISBN 1439855110.
- ↑ 2.0 2.1 Aluminum chloride Archived 2014-05-05 at the Wayback Machine. Chemister.ru (2007-03-19). Retrieved on 2017-03-17.
- ↑ 3.0 3.1 Ketelaar, J.Α.A. (1935). "Die Kristallstruktur der Aluminiumhalogenide II". Zeitschrift für Kristallographie – Crystalline Materials. 90 (1–6): 237–255. doi:10.1524/zkri.1935.90.1.237. S2CID 100796636.
- ↑ 4.0 4.1 4.2 Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 5.5. ISBN 1439855110.