Pent-2-ene

C₅H₁₀CAS 109-68-270.14 g/mol

Open in Covalent MOL file

Alkene

Properties

Molecular formula: C₅H₁₀
Molar mass: 70.14 g/mol
Exact mass: 70.0783 Da
Density: 0.6595 g/mL (at 11 °C)
Melting point: −147 °C
Boiling point: 37 °C
logP: 1.97Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 0
Rotatable bonds: 1

Hazards

Danger

H225 Highly Flammable liquid and vapor100% of notifiers
H304 May be fatal if swallowed and enters airways100% of notifiers
H315 Causes skin irritation89.1% of notifiers
H319 Causes serious eye irritation89.1% of notifiers
H335 May cause respiratory irritation82.6% of notifiers

Aggregated from 46 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

109-68-2

SMILES

CC=CCC

InChIKey

QMMOXUPEWRXHJS-UHFFFAOYSA-N

InChI

InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3

Weigh it out

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

Names and synonyms

7 names

2-Pentene
NSC 7894
β-Amylene
β-n-Amylene
Sym-Methylethylethylene
1-Methyl-2-ethylethylene
3-Pentene

Reactions

2-Penteneproduct

Work with Pent-2-ene

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.

trans-2-Pentene646-04-8Defined stereoisomer cis-2-Pentene627-20-3

Similar compounds

3-Hexene592-47-262 % similar trans-2-Hexene4050-45-744 % similar Hex-2-ene592-43-844 % similar trans-3-Heptene14686-14-742 % similar cis-2-Penten-1-ol1576-95-042 % similar cis-3-Heptene7642-10-642 % similar (E)-2-Pentenal1576-87-040 % similar Hexadiene42296-74-240 % similar

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

Same formula

Pentene109-67-1 Cyclopentane287-92-3 2-Methyl-2-butene513-35-9 3-Methyl-1-butene563-45-1 2-Methyl-1-butene563-46-2

Elsewhere

PubChem CAS Common Chemistry NIST WebBook