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CAS 75-28-5 - 2-Methylpropane

Analyte:  2-Methylpropane

Alternate Name:  Isobutane

Abbreviation:  2MPA

CAS Number or ID:  75-28-5

Department:  Air

EC Number (EINECS):  75-28-5

Synonyms:  Propane, 2-methyl-;Trimethylmethane;1,1-Dimethylethane;2-Methylpropane;iso-C4H10;i-Butane;Isobutane mixtures;UN 1075;UN 1969;R 600a;tert-Butane;A 31;Methylpropane;Propane, 2-methyl-isobutane

Use:  Used in disposable cigarette lighters

Chemical Formula:  C4H10

Apearance:  colourless odourless gas (or colourless cryogenic liquid)

Melting Point:  -159.6 C

Boiling Point:  -11.7 C

Vapor Density:  2.01 g/l

Vapor Pressure:  1536 mm Hg at 21 C

Flash Point:  -82 C (closed cup)

Explosion Limits:  1.4 - 8.3%

Stability:  Stable. Extremely flammable. May form explosive mixtures with air.Analytical testing dots

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