Propionic anhydride

Propionic anhydride
Names
Preferred IUPAC name
Propanoic anhydride
Other names
Propionic anhydride
Propanoyl propanoate
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.004.218 Edit this at Wikidata
EC Number
  • 204-638-2
RTECS number
  • UF9100000
UNII
UN number 2496
  • InChI=1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3 ☒N
    Key: WYVAMUWZEOHJOQ-UHFFFAOYSA-N ☒N
  • InChI=1/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3
    Key: WYVAMUWZEOHJOQ-UHFFFAOYAJ
  • CCC(=O)OC(=O)CC
Properties
C6H10O3
Molar mass 130.14 g/mol
Appearance Clear liquid, with a strong smell similar to vinegar
Density 1.015 g/cm3, liquid
Melting point −42 °C (−44 °F; 231 K)
Boiling point 167 to 170 °C (333 to 338 °F; 440 to 443 K)
Reacts to give propanoic acid
Viscosity 1.144 cP at ?°C
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 flammable
GHS labelling:
GHS05: Corrosive
Danger
H314
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
Flash point 63 °C (145 °F; 336 K)
Safety data sheet (SDS) External MSDS
Related compounds
Related compounds
 Acetic anhydride

Propanoyl chloride

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Propionic anhydride is an organic compound with the formula (CH3CH2CO)2O. This simple acid anhydride is a colourless liquid. It is a widely used reagent in organic synthesis as well as for producing specialty derivatives of cellulose.[1]

  1. ^ Cite error: The named reference Ullmann was invoked but never defined (see the help page).