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Acetic anhydride

SIAL/539996 - 99.5%

Synonym: Acetanhydride; Acetic acid anhydride; Acetyl acetate; Acetyl anhydride; Acetyl anhydride; Ethanoic anhydride

CAS Number: 108-24-7
Empirical Formula (Hill Notation): C4H6O3
Molecular Weight: 102.09
EC Number: 203-564-8
MDL Number: MFCD00008705
Linear Formula: (CH3CO)2O
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-539996-25G 25 g
$39.90
1/EA
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45-539996-1KG 1 kg
$96.70
1/EA
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45-539996-4KG 4 kg
$204.00
1/EA
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45-539996-18KG 18 kg
$558.00
1/EA
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 539996-1KG.

 

assay 99.5%
autoignition temp. 629 °F
bp 138-140 °C (lit.)
density 1.08 g/mL (lit.)
expl. lim. 10.3 %
InChI 1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
InChI key WFDIJRYMOXRFFG-UHFFFAOYSA-N
mp −73 °C (lit.)
Quality Level 200 
refractive index n20/D 1.390 (lit.)
SMILES string CC(=O)OC(C)=O
solubility water: slightly soluble
vapor density 3.5 (vs air)
vapor pressure 10 mmHg ( 36 °C)
  4 mmHg ( 20 °C)
Application: Acetic anhydride has been used in the preparation of 6-dimethylamino-2,3-naphthalenedicarboxylic anhydride. It has also been used to generate acetate ions during high resolution chemical ionization mass spectrometry (CI-ToFMS) analysis.
General description: Acetic anhydride is a carboxylic acid anhydride commonly used for the acetylation of amines and alcohols. It undergoes exothermic reaction on addition of water to form acetic acid. The photodecomposition of acetic anhydride has been studied over the temperature range from 60-160°C. The impact of treating pine wood with acetic anhydride has been investigated to evaluate the toughness of pine wood.
Packaging: 1, 4 kg in glass bottle
Packaging: 18 kg in poly drum
Packaging: 25 g in glass bottle
Purity 99.5%
bp 138-140 °C (lit.)
mp −73 °C (lit.)
Density 1.08 g/mL (lit.)
Refractive Index n20/D 1.390 (lit.)
UNSPSC 12352100

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