Acetic Anhydride 98% (GW)



Restricted to Professional Users
– A declaration of use will need to be completed and approved prior to shipment of any order placed
– This product is not available for Customer Collection. It is a courier delivery service only.

SKU: GWN2241 Categories: ,

Acetic Anhydride, or ethanoic anhydride is the simplest isolatable acid anhydride and is a widely used reagent in organic synthesis.  It is a colourless liquid that smells strongly of acetic acid, formed by its reaction with the moisture in the air.


  • Converting Cellulose to Cellulose Acetate
  • Organic synthesis
  • Wood Preservative

Minimum Assay: >99% (BR/IR)
Molecular Formula: (CH3CO)2O 
Molecular Weight: 102.09 
Melting Point: -73.1°C
Boiling Point: 138-141.4° C
Refractive Index: 1.3900 (N20D) 
Residue on Evaporation: <30ppm
Chlorides (Cl): Sulphates (So4): Ash: <0.005%  (ASTM 482)
Permanganate Time:Colour:



Hazard Class: 8

Sub Risk: 3

Packing Group: 2

Hazard Phrases: Flammable liquid and vapour. Harmful if swallowed. Causes severe skin burns and eye damage. Fatal if inhaled.  May cause respiratory irritation. Corrosive to the respiratory tract.

Prec Phrases: Keep away from heat/sparks/open flames/hot surfaces. Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. In case of fire: Use: Water spray, Alcohol resistant foam, Dry chemical powder or Carbon dioxide.


Cas No: 108-24-7
Einecs No: 203-564-8
FP: 49



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Additional information

Weight N/A
Pack Size

100ml, 500ml, 1L