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P51478 Aldrich

Propionic anhydride

97%

Synonym: Propanoic anhydride

  • CAS Number 123-62-6

  • Linear Formula (CH3CH2CO)2O

  • Molecular Weight 130.14

  •  Beilstein Registry Number 507066

  •  EC Number 204-638-2

  •  MDL number MFCD00009303

  •  PubChem Substance ID 24898599

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Properties

Related Categories Anhydrides, Biochemicals and Reagents, Building Blocks, Carbonyl Compounds, Carboxylic Acid Anhydrides,
vapor density   4.5 (vs air)
vapor pressure   10 mmHg ( 57.7 °C)
InChI Key   WYVAMUWZEOHJOQ-UHFFFAOYSA-N
assay   97%
autoignition temp.   545 °F
expl. lim.   11.9 %
refractive index   n20/D 1.404(lit.)
bp   167 °C(lit.)
mp   −43 °C (lit.)
solubility   H2O: decomposes (when in contact with water)
density   1.015 g/mL at 25 °C(lit.)

Description

Packaging

1 kg in glass bottle

500 g in glass bottle

Application

Propionic anhydride can be used as an acylating agent for the lipase-catalyzed esterification of alcohols. Recent studies indicate that the particle boards manufactured from wood chips modified with propionic anhydride show enhanced dimensional stability.

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2496 8 / PGIII
WGK Germany 
1
Flash Point(F) 
165.2 °F
Flash Point(C) 
74 °C

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Peer-Reviewed Papers
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References

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