But-2-ene

C₄H₈CAS 107-01-756.11 g/mol

Open in Covalent MOL file

Properties

Molecular formula: C₄H₈
Molar mass: 56.11 g/mol
Exact mass: 56.0626 Da
Melting point: −139.3 °C
Boiling point: 3.73 °C
logP: 1.58Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 0
Rotatable bonds: 0

Hazards

Danger

H220 Extremely flammable gas100% of notifiers
H280 Contains gas under pressure; may explode if heated87.9% of notifiers

Aggregated from 605 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P210, P222, P280, P377, P381, P403, P410+P403

Identifiers

CAS number

107-01-7

SMILES

CC=CC

InChIKey

IAQRGUVFOMOMEM-UHFFFAOYSA-N

InChI

InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3

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

Names and synonyms

4 names

2-Butene
β-Butylene
Pseudobutylene
β-Butene

Work with But-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-Butene624-64-6Defined stereoisomer cis-2-Butene590-18-1

Similar compounds

Trans,trans-2,4-Hexadiene5194-51-450 % similar 2,4-Hexadiene592-46-150 % similar Propylene115-07-140 % similar Propylene tetramer6842-15-540 % similar Sun-allomer PX 201N9003-07-040 % similar trans-1-Chloropropene16136-85-936 % similar 1-Bromopropene590-15-836 % similar 1-Chloro-1-propene590-21-636 % similar

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

Same formula

1-Butene106-98-9 Isobutylene115-11-7 Polyisobutene9003-27-4

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia