Propylene oxide

C₃H₆OCAS 75-56-958.08 g/mol

Open in Covalent MOL file

Properties

Molecular formula: C₃H₆O
Molar mass: 58.08 g/mol
Exact mass: 58.0419 Da
Density: 0.8 g/mL
Melting point: −112.13 °C
Boiling point: 34.23 °C
Flash point: -37.2 °C (closed cup)
Water solubility: 590 g/L
logP: 0.41Crippen estimate
Polar surface area: 12.5 Å²
H-bond donors / acceptors: 0 / 1
Rotatable bonds: 0

Hazards

Danger

H224 Extremely flammable liquid and vaporFlammable liquids
H302 Harmful if swallowedAcute toxicity, oral
H311 Toxic in contact with skinAcute toxicity, dermal
H319 Causes serious eye irritationSerious eye damage/eye irritation
H331 Toxic if inhaledAcute toxicity, inhalation
H335 May cause respiratory irritationSpecific target organ toxicity, single exposure; Respiratory tract irritation
H340 May cause genetic defectsGerm cell mutagenicity
H350 May cause cancerCarcinogenicity

Harmonised EU classification (CLP Annex VI, index 603-055-00-4), via PubChem.

Precautionary statements

P203, P210, P233, P240, P241, P242, P243, P261, P262, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P316, P318, P319, P321, P330, P337+P317, P361+P364, P370+P378, P403+P233, P403+P235, P405, P501

Identifiers

CAS number

75-56-9

SMILES

CC1CO1

InChIKey

GOOHAUXETOMSMM-UHFFFAOYSA-N

InChI

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

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

26 names · show all

Oxirane, 2-methyl-
Oxirane, methyl-
Propane, 1,2-epoxy-
Oxypropylene
2-Methyloxirane
1,2-Epoxypropane
Propene oxide
1,2-Propylene oxide
Epoxypropane
Methyloxirane
2,3-Epoxypropane
Propylene epoxide
AD 6 (suspending agent)
AD 6
Methyloxacyclopropane
Epihydrin
Dl-Propylene oxide
DL-1,2-Epoxypropane
(±)-Methyloxirane
(±)-2-Methyloxirane
(±)-Epoxypropane
(±)-Propylene oxide
(±)-1,2-Epoxypropane
Propozone
rac-Propylene oxide
Chemogas NV

Safety data sheets

2 stored sheets list this compound in section 3, matched by the CAS number 75-56-9. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with Propylene oxide

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

(2S)-2-Methyloxirane16088-62-3Defined stereoisomer (+)-Propylene oxide15448-47-2Defined stereoisomer

Similar compounds

P1239003-11-675 % similar Tripropyleneglycol monomethyl ether20324-33-850 % similar Ethylene oxide-propylene oxide copolymer monobutyl ether9038-95-346 % similar Dipropylene glycol monomethyl ether34590-94-846 % similar Dipropylene glycol methyl ether acetate88917-22-043 % similar 2,6-Dimethylmorpholine141-91-342 % similar 2,6-Dimethylmorpholine, (2R,6R)-171753-74-542 % similar cis-2,6-Dimethylmorpholine6485-55-842 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Same formula

Allyl alcohol107-18-6 Methyl vinyl ether107-25-5 Propionaldehyde123-38-6 Cyclopropanol16545-68-9 Oxetane503-30-0 Deuterated acetone666-52-4

Elsewhere

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