1-Pentyne

C5H8CAS 627-19-068.12 g/mol

Alkyne

Properties

Molecular formula
C5H8
Molar mass
68.12 g/mol
Exact mass
68.0626 Da
Density
0.6945 g/mL (at 20 °C)
Melting point
−90 °C
Boiling point
40.1 °C
logP
1.42Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
1

Hazards

Danger
Flammable (GHS02)Irritant (GHS07)Health Hazard (GHS08)

Aggregated from 53 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P331, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501

Identifiers

CAS number
627-19-0
SMILES
C#CCCC
InChIKey
IBXNCJKFFQIKKY-UHFFFAOYSA-N
InChI
InChI=1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3

Weigh it out

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

Names and synonyms

2 names
  • 1-Pentine
  • Propylacetylene

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Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere