Aluminum Sesquichlorohydrate

Functions
Antiperspirant
Deodorant
Astringent
CAS Number(s)
11089-92-2
EINECS number(s)
234-310-4
FDA UNII
UCN889409V

Aluminum Sesquichlorohydrate is one of the aluminum chlorohydrates with a general formula Al4Cl3(OH)9 that diffuses into and physically blocks sweat gland ducts and is used in antiperspirants, deodorants, and after-shave applications as a cosmetic astringent. It is also used in anhydrous suspension aerosols in the form of impalpable powder.

Aluminum Sesquichlorohydrate is an off-white to slightly yellow crystal or fine powder with a characteristic odor that readily absorbs moisture. It is used in hydro-alcoholic roll-ons, pump sprays, and other antiperspirant formulations, providing customer discretion.

Aluminum Sesquichlorohydrate can slowly corrode some metals used in costume jewelry, including iron, brass, copper, aluminum, and mild steel.

Synonyms
Aluminum chloride hydroxide
Aluminium Sesquichlorohydrate

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