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82320

Sigma-Aldrich

(±)-Propylene oxide

puriss. p.a., ≥99.5% (GC)

Synonym(s):
(±)-Methyloxirane, 1,2-Epoxypropane
Empirical Formula (Hill Notation):
C3H6O
CAS Number:
Molecular Weight:
58.08
Beilstein:
79763
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

vapor density

2 (vs air)

vapor pressure

29.43 psi ( 55 °C)
8.59 psi ( 20 °C)

grade

puriss. p.a.

assay

≥99.5% (GC)

form

liquid

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

SMILES string

CC1CO1

InChI

1S/C3H6O/c1-3-2-4-3/h3H,2H2,1H3

InChI key

GOOHAUXETOMSMM-UHFFFAOYSA-N

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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.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-36.4 °F - Equilibrium method

Flash Point(C)

-38 °C - Equilibrium method

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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