trans-2-Pentene

C5H10CAS 646-04-870.14 g/mol

Alkene

Properties

Molecular formula
C5H10
Molar mass
70.14 g/mol
Exact mass
70.0783 Da
Density
0.6431 g/mL (at 25 °C)
Melting point
−140.2 °C
Boiling point
36.3 °C
Flash point
-20 °C (closed cup)
Water solubility
203 mg/L
logP
1.97Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
1
Double bonds
EE/Z, in SMILES order

Hazards

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

Aggregated from 84 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, P270, P271, P280, P301+P316, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P319, P321, P330, P331, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501

Identifiers

CAS number
646-04-8
SMILES
C/C=C/CC
InChIKey
QMMOXUPEWRXHJS-HWKANZROSA-N
InChI
InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3/b5-3+

Weigh it out

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

Names and synonyms

7 names
  • 2-Pentene, (2E)-
  • 2-Pentene, (E)-
  • 2-Pentene, trans-
  • (2E)-2-Pentene
  • trans-β-Amylene
  • (E)-2-Pentene
  • 2-trans-Pentene

Work with trans-2-Pentene

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.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere