Isobutylene
Properties
- Molecular formula
- C4H8
- Molar mass
- 56.11 g/mol
- Exact mass
- 56.0626 Da
- Density
- 0.589 g/mL (at 25 °C)
- Melting point
- −140.4 °C
- Boiling point
- −6.9 °C
- Flash point
- -80 °C (closed cup)
- Water solubility
- 263 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
- H220 Extremely flammable gasFlammable gases
Harmonised EU classification (CLP Annex VI, index 601-012-00-4[3]), via PubChem.
Precautionary statements
P203, P210, P222, P280, P377, P381, P403
Identifiers
CAS number
115-11-7SMILES
C=C(C)CInChIKey
VQTUBCCKSQIDNK-UHFFFAOYSA-NInChI
InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
13 names · show all
- 1-Propene, 2-methyl-
- Propene, 2-methyl-
- 2-Methyl-1-propene
- γ-Butylene
- Isobutene
- 2-Methylpropene
- iso-Butene
- Isopropylidenemethylene
- 1,1-Dimethylethylene
- 2-Methylpropylene
- 1,1-Dimethylethene
- i-Butene
- 2-Methyl-2-propene
Work with Isobutylene
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.
Similar compounds
Dimethylbutadiene513-81-538 % similar
2,3-Dimethyl-1-butene563-78-035 % similar
2-Bromopropene557-93-731 % similar
2-Chloropropylene557-98-231 % similar
2,5-Dimethyl-1,5-hexadiene627-58-731 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds