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Acetic anhydride, 99+%, Thermo Scientific™
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Quantity:
250g
1000g
2500g
Description
This Thermo Scientific brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.
Applications
Acetic anhydride is most suited for the conversion of cellulose into cellulose acetate and in the manufacture of aspirin. It acts as a wood preservative and solvent in examination of wood fat, fatty and volatile oils and detection of rosins. In many organic reactions it acts as a dehydrating agent. Also used in the production of isoamyl alcohol and 2-methyl furan.
Solubility
Miscible with ether, chloroform and benzene.
Notes
Reacts with water to form acetic acid with the liberation of heat violently. Incompatible with acids, alcohols, bases, oxidizing agents, reducing agents and powdered metals.
Acetic anhydride is most suited for the conversion of cellulose into cellulose acetate and in the manufacture of aspirin. It acts as a wood preservative and solvent in examination of wood fat, fatty and volatile oils and detection of rosins. In many organic reactions it acts as a dehydrating agent. Also used in the production of isoamyl alcohol and 2-methyl furan.
Solubility
Miscible with ether, chloroform and benzene.
Notes
Reacts with water to form acetic acid with the liberation of heat violently. Incompatible with acids, alcohols, bases, oxidizing agents, reducing agents and powdered metals.

Specifications
Specifications
Density | 1.082 |
Boiling Point | 138°C to 140°C |
Flash Point | 49°C (120°F) |
Odor | Pungent |
Refractive Index | 1.39 |
Quantity | 250g |
UN Number | UN1715 |
Beilstein | 385737 |
Sensitivity | Moisture sensitive |
Merck Index | 14,56 |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
5 results found
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
P20L031 | Certificate of Analysis | 24/03/2025 | L04295.30,L04295.0B,L04295.0E |
10248595 | Certificate of Analysis | 30/08/2024 | L04295.30,L04295.0B,L04295.0E |
10252132 | Certificate of Analysis | 19/08/2024 | L04295.30,L04295.0B,L04295.0E |
U09K001 | Certificate of Analysis | 14/08/2024 | L04295.30,L04295.0B,L04295.0E |
10240561 | Certificate of Analysis | 20/02/2024 | L04295.30,L04295.0B,L04295.0E |
Safety and Handling



Product Identifier
- Acetic anhydride
- Danger
- Acute toxicity Category 2
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 1
- Flammable liquid Category 3
- Skin corrosion/irritation Category 1 B
- H226-Flammable liquid and vapour.
- H302-Harmful if swallowed.
- H314-Causes severe skin burns and eye damage.
- H318-Causes serious eye damage.
- H330-Fatal if inhaled.
- EUH071-Corrosive to the respiratory tract.
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- MIXTURE LIST-Contains : Acetic anhydride
RUO – Research Use Only
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