Technical Data Sheet
Eastman™ Acetic Anhydride, Reagent Grade
Applications
Fragrance
Pharmaceutical chemicals
Process additives
Product Description
Acetic anhydride ((CH3CO)2O) is manufactured by Eastman and supplied in various grades. It is available in reagent grade, as well as a kosher product that may be used in foods as a reactant only. Acetic anhydride is available in tank trucks, tank cars and 55-gallon drums.
Typical Properties
Property
Typical Value, Units
General
Molecular Weight
102.1
Empirical Formula
C
4
H
6
O
3
Specific Gravity
@ 20°C/20°C
1.08
Assay
97 wt % min.
Boiling Point
139.9 °C (283.8 °F)
Freezing Point
-73.1 °C (-99.5 °F)
Vapor Pressure
@ 20°C
4.6 mm Hg
Refractive Index
1.3898 n(25°C/D)
Viscosity
@ 25°C
0.91 cP
Coefficient of Expansion
@ 20°C
0.00145
Solubility
in Water, @ 25°C
Decomposes
Water In, @ 25°C
Decomposes
Flash Point
Tag Closed Cup
53 °C (127 °F)
Tag Open Cup
56 °C (132 °F)
Fire Point
58 °C (136 °F)
Autoignition Temperature
332 °C (630 °F)
Flammability Limits
Lower
96.2 mg/L
Upper
381 mg/L
Wt/Vol
@ 20°C
1.08 kg/L (9.02 lb/gal)
Comments
Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.
Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.
2/28/2018 11:35:39 AM