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81942 Sigma-Aldrich

Propionic anhydride

purum, ≥96.0% (NT)

Synonym: Propanoic anhydride

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Properties

Related Categories Anhydrides, Biochemicals and Reagents, Building Blocks, Carbonyl Compounds, Carboxylic Acid Anhydrides,
Quality Level   200
vapor density   4.5 (vs air)
vapor pressure   10 mmHg ( 57.7 °C)
grade   purum
assay   ≥96.0% (NT)
autoignition temp.   545 °F
expl. lim.   11.9 %
refractive index   n20/D 1.404 (lit.)
  n20/D 1.404
bp   167 °C (lit.)
mp   −43 °C (lit.)
solubility   H2O: decomposes (when in contact with water)
density   1.010 g/mL at 20 °C
  1.015 g/mL at 25 °C (lit.)
SMILES string   CCC(=O)OC(=O)CC
InChI   1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3
InChI key   WYVAMUWZEOHJOQ-UHFFFAOYSA-N

Description

Application

Propionic anhydride can be used:
• As an esterifying reagent in the modification of cassava starch by acylation reaction.
• As a reactant along with anisole in the synthesis of 4-methoxypropiophenone using various solid acid catalysts via Friedel−Crafts acylation reaction.
• As a reagent in the synthesis of cyanohydrin esters by treating KCN with aldehyde in presence of bimetallic titanium(salen) complex catalyst.

Packaging

1 L in glass bottle

250 mL in glass bottle

Other Notes

Sales restrictions may apply

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2496 8 / PGIII
WGK Germany 
WGK 1
RTECS 
UF9100000
Flash Point(F) 
165.2 °F - closed cup
Flash Point(C) 
74 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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