Butadiene for industrial use

Characteristic
Technical grade butadiene is obtained through separation of the C4 post-pyrolysis fraction using the extractive distillation method in the presence of dimethylformamide (DMF) as a selective solvent. 
The requirements and testing methods for technical grade butadiene are specified in the company standard ZN-ORLEN S.A.-/1:2009 - butadien techniczny (technical grade butadiene).

Applications

The main products of butadiene processing are styrene-butadiene rubber, polybutadiene and acrylonitrile-butadiene-styrene rubbers, latex, adiponitrile, acrylonitrile-butadiene-styrene co-polymers. They are further used for manufacturing of car tyres, casings of electronic equipment and household appliances, car interior elements, sporting equipment, furniture components and decorative products.

Properties

ButadienE -1,3 CH2=CHCH=CH2
Product content 99.3%
CAS number 106-99-0
WE (EINECS) number 203-450-8
Index number 601-013-00-X
Hazard classification F+ R12
Cancerogen Cat. 1 R45
Mutagen Cat. 2 R46
Molar mass : 54.1
Physical form : gas
Colour : colourless
Odour : weak, aromatic
Melting point : -108.9°C
Boiling point : -4.41°C
Flash point : N/A – gas
Autoignition temperature : 415°C
Explosive limits : 1.1 – 12.5 % by volume
Gas density at 0°C : 2.48 g/dm3
Liquid density at -4,5°C : 0.65 g/cm3
Gas pressure at 20°C : 245 kPa
Gas density relative to air : 1.87
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