Ingredient Dictionary

ALUMINUM CHLORIDE

Aluminium trichloride is an aluminium coordination entity.

Definition

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

Source: PubChem

US FDA substance register · UNII LIF1N9568Y · registered name Aluminum chloride anhydrous · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Reduces body odourDEODORANTGives a tightening feelASTRINGENTReduces sweatingANTIPERSPIRANT

Safety & regulatory references

Restricted: Taiwan

Source: Health Canada Cosmetic Ingredient Hotlist · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · Taiwan FDA cosmetic regulations

Argentina · Brazil

Field of application and/or use : Antitranspirants.
Maximum concentration permitted at final product : 15% anhydrous basis.
Other limitations and requirements : Do not use in sprayable systems (aerosols and sprays)
Use conditions and warnings that must appear on the label : -Do not apply to irritated or damaged skin. - Discontinue use if irritation.

Canada

Conditions of Use by product type : (a) Deodorants and antiperspirants containing aluminum chloride are not permitted in aerosol dispensers. (b) Not permitted in combination with aluminum chlorohydrate or its associated complexes or aluminum zirconium complexes (c) Deodorants and antiperspirants containing aluminum chloride must be in the form of an aqueous solution.
Maximum Concentration Permitted : (c) 15% calculated as aluminum chloride hexahydrate
Warnings and Cautionary Statements: (to the effect of) : (c) "Discontinue use if rash or irritation occurs."

Source: MFDS (Korea) cosmetic regulatory information

Korea’s toxic-substance GHS classification: Danger · H314 (category 1)

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name 塩化Ａｌ: 本品は、アルミニウムの塩化物であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

ALUMINUM CHLORIDEINCI알루미늄클로라이드Korean label name (MFDS standard)Aluminium chloride (AlCl3)Synonym塩化ＡｌJapanese labelling name

CAS No.chemical registry number: 7446-70-0
CAS No.chemical registry number: 7784-13-6
EC No.EU chemical inventory number: 231-208-1
DTXSIDUS EPA chemical ID: DTXSID6029674
DTXCIDUS EPA compound ID: DTXCID809674

IUPAC: Aluminium trichloride
Molecular formula: AlCl3
Molecular weight: 133.33 g/mol

Measured properties

Appearance: Aluminum chloride, anhydrous appears as a white to gray powder with a pungent odor. Corrosive to tissue and toxic by ingestion. · Aluminum chloride, solution appears as a straw-colored liquid. Denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be toxic by ingestion.
Odour: STRONG ODOR OF HYDROGEN CHLORIDE
Boiling point: 230 °F at 760 mmHg (USCG, 1999) · 182.7 °C at 752 mm Hg /Sublimation temperature/
Melting point: 381 °F (USCG, 1999) · -30 °F (USCG, 1999)
Solubility: Water reactive · Soluble in benzene, carbon tetrachloride, chloroform.
Density: 2.44 at 77 °F (USCG, 1999) - Denser than water, will sink · 1.28 (USCG, 1999) - Denser than water, will sink
Stability: Low melting solids or colorless, volatile liquids. /Alkylaluminum halides/ · Less sensitive than trialkylaminums to oxidation upon exposure to air. /Alkylaluminum halides/
Odour threshold: 0.5 ( ㎎/L)
Melting/freezing point: 192.6 ℃
Initial boiling point and range: 182.7 ℃
Vapour pressure: 1 ㎜Hg (100℃)
Relative density: 2.44 (25℃)
n-Octanol/water partition coefficient (Kow): 1.26
Molecular weight: 133.34

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 22 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Intermediate3
Solids separation (precipitating) agent, not other3
Antiperspirant (EPA)3
Astringent (EPA)3
Deodorizer3
Chemical reaction regulator1
Flocculating agent1
Pigment1

4 other uses

Flame retardant1
Photosensitive agent1
Lubricating agent1
Processing aids not otherwise specified1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

5 skin studies and 2 eye studies are on record.

Classed as highly irritating1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 7 studies

Category 8.2B (Category 1B)
Skin Irritation · Read Across
Category 1
Skin Irritation · Screening
Skin corrosion - category 1
Skin Irritation · Screening
Not classified
Skin Sensitization · Screening
Skin Corr. 1B
Skin Irritation · Authoritative
Category 8.3A (Category 1)
Eye Irritation · Read Across
Category 1
Eye Irritation · Screening