Structural Formula Vector Image
Title: 1-Butene
CAS Registry Number: 106-98-9
Additional Names: a-Butylene; ethylethylene
Molecular Formula: C4H8
Molecular Weight: 56.11
Percent Composition: C 85.62%, H 14.37%
Line Formula: CH3CH2CH=CH2
Literature References: Occurs in oil and coal gas. Obtained by cracking of petr oils and by thermal decompn of butane or pentane or isopentane: Egloff et al., Ind. Eng. Chem. 28, 1283 (1936); Calingaert, J. Am. Chem. Soc. 45, 130 (1923); from butyl alcohol by treatment with conc H2SO4: Compt. Rend. 176, 813 (1923).
Properties: Gas. Not solid at -190°. bp760 -6.47°. d4-6.47 0.6255. Explodes in mixtures with oxygen. Description of properties: Oil Gas J. 44, 119 (1945), C.A. 39, 3783; J. Am. Chem. Soc. 50, 1427 (1928).
Boiling point: bp760 -6.47°
Density: d4-6.47 0.6255
CAUTION: May be narcotic in high concns. A simple asphyxiant.

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