Acetic anhydride, 99+%, Thermo Scientific Chemicals

Description

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.

This Thermo Scientific Chemicals 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 Chemicals.

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.

Specifications

Chemical Identifiers

• CAS: 108-24-7
• Molecular Formula: C4H6O3
• Molecular Weight (g/mol): 102.089
• MDL Number: MFCD00008705
• InChI Key: WFDIJRYMOXRFFG-UHFFFAOYSA-N
• Synonym: acetic anhydride, acetanhydride, acetic acid, anhydride, acetic oxide, acetyl oxide, ethanoic anhydride, acetyl ether, acetyl anhydride, acetic acid anhydride, anhydride acetique
• PubChem CID: 7918
• ChEBI: CHEBI:36610
• IUPAC Name: acetyl acetate
• SMILES: CC(=O)OC(=O)C

• Melting Point: -73°C
• Density: 1.082
• Boiling Point: 138°C to 140°C
• Flash Point: 49°C (120°F)
• Odor: Pungent
• Refractive Index: 1.39
• Quantity: 1000 g
• UN Number: UN1715
• Beilstein: 385737
• Sensitivity: Moisture sensitive
• Merck Index: 14,56
• Solubility Information: Miscible with ether,chloroform and benzene.
• Formula Weight: 102.09
• Percent Purity: ≥99%
• Chemical Name or Material: Acetic anhydride

Safety and Handling

Hazard Category	H226-H302-H314-H330
Hazard Statement	GHS H Statement H314-H226-H302-H332 Causes severe skin burns and eye damage. Flammable liquid and vapor. Harmful if swallowed. Harmful if inhaled.
Precautionary Statement	P210-P233-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P280-P284-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: ACETIC ANHYDRIDE
EINECSNumber	203-564-8
RTECSNumber	AK1925000
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Nitrogen

SDS

RUO – Research Use Only