chempirical

cis-2-Butene

C4H8CAS 590-18-156.11 g/mol

Open in Covalent MOL file
Alkene

Properties

Molecular formula
C4H8
Molar mass
56.11 g/mol
Exact mass
56.0626 Da
Density
0.62 g/mL
Melting point
−138.9 °C
Boiling point
3.7 °C
Flash point
-11.99 °C (closed cup)
Water solubility
658 mg/L (25 °C)
logP
1.58Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
0

Hazards

Danger
Flammable (GHS02)Compressed Gas (GHS04)

Harmonised EU classification (CLP Annex VI, index 601-012-00-4[4]), via PubChem.

Precautionary statements

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

Identifiers

CAS number
590-18-1
SMILES
C/C=CC
InChIKey
IAQRGUVFOMOMEM-ARJAWSKDSA-N
InChI
InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3-

Weigh it out

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

Names and synonyms

9 names
  • 2-Butene, (2Z)-
  • 2-Butene, (Z)-
  • (2Z)-2-Butene
  • cis-2-Butylene
  • cis-1,2-Dimethylethylene
  • (Z)-2-Butene
  • β-cis-Butylene
  • cis-Butene
  • Z-Butene

Work with cis-2-Butene

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 But-2-ene107-01-7

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