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82320 Sigma-Aldrich

(±)-Propylene oxide

puriss. p.a., ≥99.5% (GC)

Synonym: (±)-Methyloxirane, 1,2-Epoxypropane

  • CAS Number 75-56-9

  • Empirical Formula (Hill Notation) C3H6O

  • Molecular Weight 58.08

  •  Beilstein/REAXYS Number 79763

  •  EC Number 200-879-2

  •  MDL number MFCD00005126

  •  PubChem Substance ID 57652911

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Epoxide Monomers, Materials Science,
vapor density   2 (vs air)
vapor pressure   29.43 psi ( 55 °C)
  8.59 psi ( 20 °C)
InChI Key   GOOHAUXETOMSMM-UHFFFAOYSA-N
grade   puriss. p.a.
assay   ≥99.5% (GC)
autoignition temp.   1378 °F
expl. lim.   37 %
impurities   ≤0.1% water
evapn. residue   ≤0.005%
refractive index   n20/D 1.366 (lit.)
  n20/D 1.366
bp   34 °C (lit.)
mp   −112 °C (lit.)
density   0.83 g/mL at 25 °C (lit.)
cation traces   Al: ≤0.5 mg/kg
  Ba: ≤0.1 mg/kg
  Bi: ≤0.1 mg/kg
  Ca: ≤0.5 mg/kg
  Cd: ≤0.05 mg/kg
  Co: ≤0.02 mg/kg
  Cr: ≤0.02 mg/kg
  Cu: ≤0.02 mg/kg
  Fe: ≤0.1 mg/kg
  K: ≤0.5 mg/kg
  Li: ≤0.1 mg/kg
  Mg: ≤0.1 mg/kg
  Mn: ≤0.02 mg/kg
  Mo: ≤0.1 mg/kg
  Na: ≤0.5 mg/kg
  Ni: ≤0.02 mg/kg
  Pb: ≤0.1 mg/kg
  Sr: ≤0.1 mg/kg
  Zn: ≤0.1 mg/kg

Description

General description

(±)-Propylene oxide is an organic compound used as an intermediate in several chemical reactions. It readily reacts with active hydrogen atoms.

Application

Propylene oxide may be used in the production of polyether polyols, propylene glycols, propylene glycol ethers.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
RIDADR 
UN1280 - class 3 - PG 1 - Propylene oxide
WGK Germany 
3
RTECS 
TZ2975000
Flash Point(F) 
-34.6 °F
Flash Point(C) 
-37 °C

Documents

Certificate of Analysis

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Protocols & Articles

Articles

GC Analysis of Propylene Oxide Enantiomers on Astec® CHIRALDEX® A-TA

From our library of Articles, Sigma-Aldrich presents GC Analysis of Propylene Oxide Enantiomers on Astec® CHIRALDEX® A-TA
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Separation

Peer-Reviewed Papers
15

References

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