Aluminum acetate

CAS Number
139-12-8
EC Number
205-354-1
Chemical Formula
C2H4O2.1/3Al
Molecular Weight
204.11 g/mol

Description

Aluminum acetate (CAS 139-12-8), also known as aluminium triacetate, is an aluminum salt of acetic acid used across industrial and pharmaceutical applications. It functions primarily as a coagulant, flocculant, and pH buffer, enabling precise process control in aqueous systems. In textile and leather processing, it acts as a mordant and fixing agent.

This chemical improves dye uptake and color fastness on natural fibers and hides. Water treatment operations use it to destabilize suspended particles and colloidal matter for clarification. It facilitates sedimentation in both municipal and industrial effluent streams. In paper manufacturing, it supports fiber bonding and sizing processes, contributing to surface strength.

Pharmaceutical and topical formulation manufacturers use it as an astringent active in dermatological preparations. Its coagulating action on proteins supports wound care products. Aluminum acetate is supplied as a white to off-white powder or as an aqueous solution. Technical grade is standard for industrial uses including water treatment and textile processing.

Pharmaceutical-grade material meeting USP or BP specifications is available for healthcare and topical formulation applications to ensure high purity standards.

Other Names (Synonyms)

aluminium triacetate|aluminium acetate|Acetic acid, aluminum salt|Acetic acid, aluminum salt (3:1)|Buro-sol|Hydroxyaluminium di(acetate)|80EHD8I43D|Aluminum acetate [USP]

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point decomposes with moisture [CRC10]
Density ~1.002 g/cm³ (approx)
Color white hygroscopic solid
Water Solubility soluble H2O [HAW93]
Log P -0.285 (est)

Safety & Handling (Learn More)

Warning
GHS07· Irritant

Hazard Statements

H315 Causes skin irritation
H319 Causes serious eye irritation

Precautionary Statements

P264 Wash … thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P321 Specific treatment (see … on this label).
P264+P265 Wash … thoroughly after handling.
P302+P352 IF ON SKIN: Wash with plenty of water.
P332+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Documentation

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