Butadiene CAS No: 106-99-0

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Butadiene is used to make rubber products (source: Lanxess)Butadiene is a versatile raw material used in the production of a wide variety of synthetic rubbers and polymer resins as well as a few chemical intermediates.

 

The largest uses for butadiene are the production of styrene butadiene rubber (SBR) and polybutadiene rubber (BR), which are used mainly in tyre products. Butadiene is one of the components used in the manufacture of acrylonitrile-butadiene-styrene (ABS), styrene-butadiene (SB) copolymer latex, styrene-butadiene block copolymers and nitrile rubbers.

 

World butadiene consumption in the synthetic rubber and latex applications is forecast to grow at an average rate of about 2%/year. The region seeing the strongest performance has been Asia due to increased production of finished goods in the electronics, automobile and tyre sectors.

 

The major source of butadiene is as a byproduct in the steam cracking of naphtha and gas oil to make ethylene and propylene. The butadiene is extracted from the C4 cracker stream using extractive distillation.

 

Butadiene is a colourless, non corrosive liquefied gas with a mild aromatic or gasoline-like odour. Butadiene is both explosive and flammable because of its low flash point.

Butadiene Price Reports

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Butadiene Uses and Outlook

Butadiene is a versatile raw material used in the production of a wide variety of synthetic rubbers and polymer resins as well as a few chemical intermediates.
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Butadiene Process Technologies

The original processes for making butadiene from acetylene by the Adol or Reppe routes is no longer used on economic grounds. Butadiene was also produced from ethanol but this process is now obsolete.
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Butadiene Plants and Projects

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Butadiene Synonyms & Abbreviations

  • Biethylene
  • Buta-1,3-diene
  • Butadieno
  • Divinyl
  • Erythrene
  • Vinylethylene

Butadiene Properties

Auto-ignition temperature oC
414
Boiling point oC
-4
Explosive limits, vol% in air
1.1-16.3
Flash point oC
-76
Melting point oC
-109
Molecular mass
54.1
Relative density (water = 1)
0.6
Relative vapour density (air = 1)
1.9
Vapour pressure (kPa at 20oC)
245
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