Isobutylene

CAS # 115-11-7

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Compound Structure and Properties

Molecular Weight	56.1063
Formula	C₄H₈
Melting Point	−140.3 ºC
Boiling Point	-6.9 °C, 266 °K, 20 °F
Density	0.5879 g/cm³, liquid
Solubility in Water	Insoluble

Data above sourced from: ChemSpider and Wikipedia

GC Mass Spectrum

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Synonyms

1-Propene, 2-methyl-; Propene, 2-methyl-; γ-Butylene; Isobutene; Isobutylene; Isopropylidenemethylene; 1,1-Dimethylethylene; 2-Methyl-1-propene; 2-Methylpropene; iso-C4H8; Methylpropene; 2-Methylpropene-isobutylene; UN 1055; 1,1-Dimethylethene; 2-Methylpropylene