My watch list  

1,3-Butadiene (data page)



Name 1,3-Butadiene


Chemical formula C4H6
Molar mass 50.09 g/mol
Synonyms butadiene, biethylene, divinyl, erythrene, vinylethylene
CAS number 106-99-0

Phase behavior

Melting point 164.3 K (-108.9 °C)
Boiling point 268.8 K (-4.4°C)
Triple point 164.2 K (-109.0°C)

? bar

Critical point 425 K (152°C)

43.2 bar


Symmetry group C2h

Gas properties

ΔfH0 110.2 kJ/mol
S0  ? J/mol·K
Cp 79.5 J/mol·K

Liquid properties

ΔfH0 90.5 kJ/mol
S0 199.0 J/mol·K
Cp 123.6 J/mol·K
Liquid density 0.64 ×103 kg/m3


Acute effects Possible irritation to skin and mucous membranes. Inhalation of concentrated vapors causes drowsiness and CNS depression.
Chronic effects Possible carcinogen.
Flash point -85°C
Autoignition temperature 418°C
Explosive limits 2-12%

More info

Properties NIST WebBook
MSDS Hazardous Chemical Database

SI units were used where possible. Unless otherwise stated, standard conditions were used.

Disclaimer and references

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "1,3-Butadiene_(data_page)". A list of authors is available in Wikipedia.
Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE