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Aluminum Chloride Hexahydrate (AlCl3·6H2O)

CAS 7784-13-6 · Formula AlCl3H12O6 · MW 241.43 g/mol

The water-soluble hydrated aluminum chloride used in cosmetic astringent and industrial processing formulations. It is used as an astringent/antiperspirant ingredient in cosmetics and as a precursor and processing aid in textile dyeing, wood preservation, and photographic and petroleum applications.

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HS Code
2827.32
At a Glance
Material Family
Mineral Fillers & Pigments
Record Type
Pure compound
Primary Role
Color / Pigmentation · pH Adjustment
Functional Roles
Color / Pigmentation pH Adjustment
Industries Served
Coatings & Construction Plastics & Polymers Water Treatment
Applications & Use Cases
  • ▸ Cosmetic astringent: Astringent/antiperspirant ingredient in personal care.
  • ▸ Textile processing: Dyeing and fabric treatment.
  • ▸ Wood preservation: Aluminum-salt wood-preservative systems.
  • ▸ Chemical precursor: Source of aluminum chloride in aqueous processes.
Physical Properties
Physical Description
Colorless, white, or slightly yellow deliquescent solid; Odorless; White to yellowish crystals or powder
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2827 . 32
Chapter 28
Inorganic chemicals; compounds of precious metals and rare-earth metals
Heading 28.27
Internationally harmonized (WCO HS)
Subheading 2827.32
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
7784-13-6
Molecular Formula
AlCl3H12O6
Molecular Weight
241.43 g/mol
IUPAC Name
trichloroalumane;hexahydrate
PubChem CID
24564
InChI Key
JGDITNMASUZKPW-UHFFFAOYSA-K
Synonyms & Trade Names
Aluminum chloride hexahydrate ALUMINUM CHLORIDE, HEXAHYDRATE aluminium trichloride hexahydrate trichloroalumane;hexahydrate Aluminum chloride (USP) Lumicain (TN) Aluminum(III) chloride, hexahydrate AI3-01918 aluminium chloride--water (1/6) aluminium(III) chloride hexahydrate Aluminum trichloride hexahydrate AlCl3.6H2O
Full Description

Aluminum chloride hexahydrate (CAS 7784-13-6, AlCl3·6H2O) is the hydrated form of aluminum chloride. It is used as an astringent/antiperspirant ingredient in cosmetics and as a precursor and processing aid in textile dyeing, wood preservation, and photographic and petroleum applications.

Frequently Asked Questions

What is aluminum chloride hexahydrate used for?

Aluminum chloride hexahydrate (CAS 7784-13-6, AlCl3·6H2O) is the hydrated form of aluminum chloride. Industrially it serves as a processing aid and aluminum source in textile dyeing, wood-preservation systems, and aqueous chemical processes, and as an astringent ingredient in personal-care formulations.

What is the chemical formula of aluminum chloride hexahydrate?

The formula is AlCl3·6H2O (also written AlCl3H12O6), CAS 7784-13-6. It is the six-water hydrate of aluminum chloride, distinct from the anhydrous salt.

Is aluminum chloride hexahydrate water soluble?

Yes. As a hydrated aluminum chloride salt it is readily soluble in water, forming an acidic aqueous solution, which is why it functions as an aluminum source in aqueous dyeing and processing baths.

What grades of aluminum chloride hexahydrate does RawSource supply?

We supply this material to USP/EP/BP pharmacopeia specifications. Grade availability and conforming Certificate of Analysis (CoA) are confirmed at quote; request the current spec sheet and SDS with your inquiry.

What is the HS code and bulk packaging for aluminum chloride hexahydrate?

It classifies under HS 2827.32 (chlorides of aluminum). RawSource ships bulk in drums, bags, and palletized quantities; submit volume and destination for a bulk quote, CoA, and SDS.

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Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.
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