1,3-Butadiene (data page)
|
General | |
|---|---|
| Name | 1,3-Butadiene |
|
CH2=CH-CH=CH2 | |
| Chemical formula | C4H6 |
| Molar mass | 54.09 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 |
|
Structure | |
| 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 |
|
Safety | |
| 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 | ICSC 0017 |
|
SI units were used where possible. Unless otherwise stated, standard conditions were used. Disclaimer and references | |
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