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Substance Name: 2-Butyne
RN: 503-17-3
UNII: LKE6D3018E
InChIKey: XNMQEEKYCVKGBD-UHFFFAOYSA-N

Molecular Formula

  • C4-H6

Molecular Weight

  • 54.0914
 
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Names and Synonyms

Name of Substance

  • 2-Butyne

Synonyms

  • 2-Butyne
  • EINECS 207-962-2
  • UNII-LKE6D3018E

Systematic Name

  • 2-Butyne

Superlist Names

  • 2-Butyne
  • Crotonylene
  • Crotonylene [UN1144] [Flammable liquid]
  • UN1144

Registry Numbers

CAS Registry Number

  • 503-17-3

FDA UNII

  • LKE6D3018E

System Generated Number

  • 0000503173

Structure Descriptors

InChI

1S/C4H6/c1-3-4-2/h1-2H3

InChIKey

XNMQEEKYCVKGBD-UHFFFAOYSA-N

Smiles

C(#CC)C

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -3.23E+01 deg C   EXP
Boiling Point 26.9 deg C   EXP
log P (octanol-water) 1.46 (none)   EXP
Water Solubility 2250 mg/L 25 EST
Vapor Pressure 706 mm Hg 25 EXP
Henry's Law Constant 0.011 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.74E-11 cm3/molecule-sec 25 EXP

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