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Product Name1,3-BUTADIENE





MOL File106-99-0.mol

Chemical Properties

Melting point −109 °C(lit.)
Boiling point −4.5 °C(lit.)
Density  0.62 g/mL at 20 °C(lit.)
vapor density  1.9 (15 °C, vs air)
vapor pressure  1863 mm Hg ( 21 °C)
refractive index  1.4292
Flash point −105 °F
storage temp.  0-6°C
solubility  water: soluble0.5g/L at 20°C
form  Colorless gas
explosive limit 12%
Odor Threshold 0.23ppm
Water Solubility  735mg/L(25 ºC)
FreezingPoint  -108.91℃
Merck  14,1509
BRN  605258
Henry's Law Constant (x 10-2 atm?m3/mol): 6.3 at 25 °C (Hine and Mookerjee, 1975)
Exposure limits TLV-TWA 10 ppm (~22 mg/m3) (ACGIH), 1000 ppm (OSHA and NIOSH); IDLH 20,000 ppm (NIOSH); A2–Suspected Human Carcinogen (ACGIH).
Stability Stable. Extremely flammable. May form explosive mixtures with air. Incompatible with strong oxidizing agents, copper, copper alloys. May contain stabilizer.
CAS DataBase Reference 106-99-0(CAS DataBase Reference)
IARC 1 (Vol. Sup 7, 54, 71, 97, 100F) 2012
EPA Substance Registry System 1,3-Butadiene (106-99-0)

Safety Information

Hazard Codes  F+,T,F,N
Risk Statements  45-46-12-67-65-63-48/20-36/38-11-62-51/53-38
Safety Statements  53-45-62-46-36/37-26-61-33-16
RIDADR  UN 1010 2.1
WGK Germany  2
RTECS  EI9275000
Autoignition Temperature 788 °F
Hazard Note  Extremely Flammable/Carcinogen
DOT Classification 2.1 (Flammable gas)
HazardClass  2.1
PackingGroup  II
HS Code  29012410
Hazardous Substances Data 106-99-0(Hazardous Substances Data)
Toxicity LC50 (inhalation) for mice 270 gm/m3/2-h, rats 285 gm/m3/4-h (quoted, RTECS, 1985).
IDLA 2,000 ppm (10% LEL)


Usage And Synthesis

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