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CAS 78-78-4 - 2-Methylbutane

Analyte:  2-Methylbutane

Alternate Name:  Isopentane

Abbreviation:  2MBA

CAS Number or ID:  78-78-4

Department:  Air

EC Number (EINECS):  78-78-4

Synonyms:  iso-Pentane;1,1,2-Trimethylethane;2-Methylbutane;iso-C5H12;Ethyldimethylmethane;Isoamylhydride;Exxsol isopentane;1,1-dimethylpropane;methylbutane

Chemical Formula:  C5H12

Apearance:  colourless liquid with a characteristic smell

Melting Point:  -160 C

Boiling Point:  28 C

Vapor Density:  2.48 (air=1)

Vapor Pressure:  595 mm Hg at 21 C

Flash Point:  -51 C (closed cup)

Explosion Limits:  1.4% - 8%

Auto Ignition:  420 C

Stability:  Stable. Extremely flammable. Incompatible with strong oxidizing agents. Vapour-air mixtures explosive in certain proportions. Incompatible with rubber, various plastics. The vapour, being heavier than air, may roll over surfaces and collect in low points. Note low flash point.Analytical testing dots

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