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Aluminium chloride

IUPAC: trichloroalumane

AlCl3 Inorganic Compounds CAS 7446-70-0
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Quick Reference
Formula / NotationAlCl3
CAS Number7446-70-0
Molecular Weight133.34
Melting Point381 °F (USCG, 1999)
Boiling Point230 °F at 760 mmHg (USCG, 1999)
Density2.44 at 77 °F (USCG, 1999) - Denser than water; will sink
SolubilityWater reactive
AppearanceAluminum chloride, anhydrous appears as a white to gray powder with a pungent odor. Corrosive to tissue and toxic by ingestion.
Also Known Astrichloroalumane; ALUMINUM CHLORIDE; 7446-70-0; Aluminum trichloride; Aluminium trichloride; Trichloroaluminum; Aluminum chloride anhydrous; AlCl3; Pearsall; Aluminiumchlorid
CategoryInorganic Compounds

What is Aluminium chloride?

Aluminium trichloride is an aluminium coordination entity. It has a role as a Lewis acid.

Formula & Notation

AlCl3

IUPAC Name: trichloroalumane

Other Names / Synonyms: trichloroalumane; ALUMINUM CHLORIDE; 7446-70-0; Aluminum trichloride; Aluminium trichloride; Trichloroaluminum; Aluminum chloride anhydrous; AlCl3; Pearsall; Aluminiumchlorid

Properties & Characteristics

Appearance: Aluminum chloride, anhydrous appears as a white to gray powder with a pungent odor. Corrosive to tissue and toxic by ingestion.. Molecular formula: AlCl3. Molecular weight: 133.34 g/mol. Boiling point: 230 °F at 760 mmHg (USCG, 1999). Melting point: 381 °F (USCG, 1999). Density: 2.44 at 77 °F (USCG, 1999) - Denser than water; will sink. Solubility: Water reactive. Vapor pressure: 1 mm Hg at 100.0 °C.

Physical Data

PropertyValue
Melting Point381 °F (USCG, 1999)
Boiling Point230 °F at 760 mmHg (USCG, 1999)
Density2.44 at 77 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight133.34
SolubilityWater reactive
AppearanceAluminum chloride, anhydrous appears as a white to gray powder with a pungent odor. Corrosive to tissue and toxic by ingestion.

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Aluminium chloride
Formula AlCl3
CAS Number 7446-70-0
Molecular Weight 133.34
Synonyms trichloroalumane; ALUMINUM CHLORIDE; 7446-70-0; Aluminum trichloride; Aluminium trichloride; Trichloroaluminum; Aluminum chloride anhydrous; AlCl3; Pearsall; Aluminiumchlorid

Frequently Asked Questions

Aluminium trichloride is an aluminium coordination entity. It has a role as a Lewis acid.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.