Aluminum acetate

CAS Number
139-12-8
EC Number
205-354-1

What is Aluminum acetate?

Aluminum acetate (CAS 139-12-8), also known as aluminium triacetate, is an aluminum salt of acetic acid.

Where is Aluminum acetate used?

  • Water treatment: destabilises suspended particles and colloidal matter for clarification
  • Textile and leather processing: mordant and fixing agent that improves dye uptake and colour fastness on natural fibres and hides
  • Paper manufacturing: supports fibre bonding and sizing
  • Pharmaceutical and topical formulations: astringent active in dermatological preparations
  • Its coagulating action on proteins supports wound care products.
  • Ceramics and glass: used as an alumina source for glazing and coating.
  • Chemical reagent in catalysing organic synthesis reactions or in separation and purification.
  • Antiperspirants.

Good to know: Pharmaceutical-grade material meeting USP or BP specifications is available for healthcare and topical formulation applications.

Formulation notes

  • Incompatible with strong oxidizing agents.
  • Recommended concentration in antiperspirant use is 0.13 to 0.5 percent.

Typical specification

  • Available in monobasic, dibasic, and neutral (tribasic) forms.
  • Available in powder and solution forms.
  • Decomposes on heating at around 200°C.
  • Purity of at least 98.5%.

Regulatory status

  • Subject to EU REACH registration (REACH code Y110).
  • In the US, included as an active ingredient in 21 CFR 347.12 at 0.13 to 0.5 percent.
  • Listed on the US TSCA inventory.

Storage, packaging and handling

  • Keep in a tightly closed container at ambient temperature, protected from moisture and incompatible substances.
  • Custom packaging options include IBC containers, drums, or bulk.

Technical content is compiled and updated by the SoleChem product team from public technical sources; the certificate of analysis (COA) governs product-specific specifications.

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]

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What are the physical properties of Aluminum acetate?

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)

How is Aluminum acetate classified and handled safely? 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.
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