2, 2 Dimethylpropane
C5H12
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General Characteristics Health Hazards Material Recommendations
A colorless, liquified and flammable gas with an gasoliner-like odor.
A simple asphyxiant.
Normal Materials can be used, avoid plastic and rubber for liquids.
TLV-TWA Flammable Limits DOT Class / Label
None Estabished 1.4 - 7.5% 2.1 / Flammable
Molecular Weight Specific Gravity Specific Volume
72.2 2.9 @ 77° F 5.3 cu.ft./lb @ 70° F
CGA Valve Outlet CAS Registry No. UN Number
510/180 463-82-1 2044
Nationl Stock Number (NSN) Applicable to Dimethylpropane MIL Specs/ Fed Specs
MSDS for Dimethylpropane


Grade
Part #
Purity Minimum Cylinder
Size
Volume
Grams
Pressure
@ 70 F
Comments
Commercial
469700
99.86% Min.
Liquid Phase
002

400
7

None


Uses: Dimethylpropane is used as the raw material in the production of isobutylene, which in turn is used to manufacture synthetic Butyl rubber. It has also been used in halogenation processes and photoconductivity and molecular rearrangement studies.