2-Butene Structure

2-Butene

  • Product Name2-Butene
  • CAS107-01-7
  • CBNumberCB3449451
  • MFC4H8
    Lewis structure
  • MW56.11
  • EINECS203-452-9
  • MDL NumberMFCD00064458
  • MOL File107-01-7.mol

Chemical Properties

Melting point −140 °C(lit.)
Boiling point 1 °C(lit.)
Density  0.6210
vapor density  2 (vs air)
vapor pressure  2575 mm Hg ( 37.7 °C)
refractive index  1.3853 (estimate)
Flash point <−30 °F
explosive limit 9.3%
Water Solubility  242.5mg/L at 25℃
Merck  1520
BRN  1718755
Henry's Law Constant 5.1×10-5 mol/(m3Pa) at 25℃, Hilal et al. (2008)
InChI InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3
InChIKey IAQRGUVFOMOMEM-UHFFFAOYSA-N
SMILES CC=CC
LogP 2.35 at 20℃
CAS DataBase Reference 107-01-7(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII S1SK37516R
EPA Substance Registry System 2-Butene (107-01-7)
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Safety

Symbol(GHS) Flame (GHS02)Gas Cylinder (GHS04)
Signal wordDanger
Hazard statements H220
Precautionary statements P210-P377-P381-P403
Hazard Codes  F,F+
Risk Statements  12
Safety Statements  9-16-33
RIDADR  UN 1012 2.1
WGK Germany  3
RTECS  EM2932000
Hazard Note  Flammable
TSCA  TSCA listed
HazardClass  2.1
HS Code  29012320
Hazardous Substances Data 107-01-7(Hazardous Substances Data)
NFPA 704:
4
1 0

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