M Formula: | CH3HC:CHCH3.
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Chemistry structure: |
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Properties: |
A clorless liquefied petroleum gas. Bp 3.7C, d 0.6213 (10/4C), fp −139C, specific volume 6.7 cu ft/lb (21.1C), flash p −100F (−72C), autoign temp 615F (323C). Soluble in most organic solvents; insoluble in water. |
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Derivation: |
Gases containing appreciable content of cis-butene-2, along with other butene and butane hydrocarbons, are obtained by fractional distillation of refinery gas. |
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Grade: |
Technical 95%, CP 99%, research 99.8%. |
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Hazard: |
Asphyxiant gas. Highly flammable. Flammable limits in air 1.8–9.7% by volume. Dangerous fire and explosion risk. |
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Use: |
Solvent, cross-linking agent, polymerization of gasoline, butadiene synthesis, synthesis of C4 and C5 derivatives. |
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