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Substance Name: 3-Methylbuta-1,2-diene
RN: 598-25-4
InChIKey: PAKGDPSCXSUALC-UHFFFAOYSA-N

Molecular Formula

  • C5-H8

Molecular Weight

  • 68.1182
 
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Names and Synonyms

Synonyms

  • 1,1-Dimethylallene
  • 1,1-Dimethylallylene
  • 2-Methyl-2,3-butadiene
  • 3,3-Dimethylallene
  • 3-Methyl-1,2-butadiene
  • EINECS 209-926-1
  • NSC 74117

Systematic Names

  • 1,2-Butadiene, 3-methyl- (8CI)(9CI)
  • 3-Methylbuta-1,2-diene

Registry Numbers

CAS Registry Number

  • 598-25-4

System Generated Number

  • 0000598254

Structure Descriptors

InChI

1S/C5H8/c1-4-5(2)3/h1H2,2-3H3

InChIKey

PAKGDPSCXSUALC-UHFFFAOYSA-N

Smiles

C(=C=C)(C)C

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -1.14E+02 deg C   EXP
Boiling Point 40.83 deg C   EXP
log P (octanol-water) 2.610 (none)   EST
Water Solubility 233 mg/L 25 EST
Vapor Pressure 426 mm Hg 25 EXP
Henry's Law Constant 0.152 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 5.69E-11 cm3/molecule-sec 25 EXP

Physical property data is provided to ChemIDplus by SRC, Inc.