Antimony triacetate

Synonym(s):Antimony acetate;Antimony triacetate;Triacetoxystibine

CAS NO.：6923-52-0
Empirical Formula: C6H9O6Sb
Molecular Weight: 298.89
MDL number: MFCD00014974
EINECS: 230-043-2
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 01:18:47

What is Antimony triacetate?

Description

Antimony(III) acetate is the compound of antimony with the chemical formula of Sb(CH3CO2)3. It is a white powder, is moderately water-soluble, and is used as a catalyst in the production of polyesters.

The Uses of Antimony triacetate

Antimony(III) acetate is a catalyst used in the production of synthetic fibers.
Antimony(III) acetate was used in the one-pot three-component synthesis of multigram quantities of 1-amidoalkyl-2-naphthols from the condensation between aldehydes, 2-naphthol and acetamide under solvent-free conditions at ambient temperature.
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What are the applications of Application

Antimony(III) acetate is a catalyst in the production of synthetic fibers

Preparation

It can be prepared by the reaction of antimony(III) oxide with acetic acid:
Sb2O3+ 6 CH3CO2H → 2 Sb(CH3CO2)3+ 3 H2O

Safety Profile

Mildly toxic by ingestion. A skin and eye irritant. Mutation data reported. See also ANTIMONY COMPOUNDS. When heated to decomposition it emits acrid smoke and irritating fumes.

Properties of Antimony triacetate

Melting point:	126-131 °C (lit.)
Density	1.22 g/mL at 25 °C (lit.)
form	Powder
Specific Gravity	1.22
color	off-white
Water Solubility	Decomposes in water
Sensitive	Moisture Sensitive
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
Exposure limits	ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
EPA Substance Registry System	Antimony triacetate (6923-52-0)

Safety information for Antimony triacetate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P273:Avoid release to the environment.