Ketene

C₂H₂OCAS 463-51-442.04 g/mol

Open in Covalent MOL file

Properties

Molecular formula: C₂H₂O
Molar mass: 42.04 g/mol
Exact mass: 42.0106 Da
Melting point: −150 °C
Boiling point: −56 °C
logP: 0.00Crippen estimate
Polar surface area: 17.1 Å²
H-bond donors / acceptors: 0 / 1
Rotatable bonds: 0

Hazards

Danger

H220 Extremely flammable gas100% of notifiers
H315 Causes skin irritation100% of notifiers
H318 Causes serious eye damage100% of notifiers
H330 Fatal if inhaled93.7% of notifiers
H335 May cause respiratory irritation93.7% of notifiers

Aggregated from 111 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P210, P222, P260, P261, P264, P264+P265, P271, P280, P284, P302+P352, P304+P340, P305+P354+P338, P316, P317, P319, P320, P321, P332+P317, P362+P364, P377, P381, P403, P403+P233, P405, P501

Identifiers

CAS number

463-51-4

SMILES

C=C=O

InChIKey

CCGKOQOJPYTBIH-UHFFFAOYSA-N

InChI

InChI=1S/C2H2O/c1-2-3/h1H2

Weigh it out

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

Names and synonyms

7 names

Ethenone
Carbomethene
Keto-ethylene
Ethylenone
KETEN
Oxoethylene
Carbon oxide (c2o)

Reactions

Work with Ketene

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

Elsewhere

PubChem CAS Common Chemistry NIST WebBook