Safety data for 2,2,4-trimethylpentane
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Risk phrases
Safety phrases
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This information was last updated on July 7, 2005.
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for it. General
Synonyms: isobutyltrimethylpentane, isooctane
Molecular formula: (CH3)3CCH2CH(CH3)2
CAS No: 540-84-1
EC No: 208-759-1
Annex I Index No: 601-009-00-8
Physical data
Appearance: colourless liquid
Melting point: -107 C
Boiling point: 98 C
Vapour density: 3.9
Vapour pressure: 41 mm Hg at 21 C
Specific gravity: 0.692
Flash point: -7 C (closed cup)
Explosion limits: 1 - 6%
Autoignition temperature: 396 C
Stability
Stable. Highly flammable. Incompatible with oxidizing agents,
reducing agents.
Toxicology
Harmful if inhaled or ingested. May be harmful
through skin contact. Eye, respiratory and skin irritant.
(The meaning of any risk phrases which appear in this section is given
here.)
R11 R20 R22 R36 R37 R38 R50 R53 R65 R67.
Environmental information
Very toxic to aquatic organisms - may cause long-term damage to the environment.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
UN No 1262. Hazard class 3.0. Packing group II.
Personal protection
Safety glasses, good ventilation, keep away from sources
of ignition.
(The meaning of any safety phrases which appear in this section is given
here.)
S16 S26 S33 S36 S37 S39.