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Toxicity data
Risk phrases
Safety phrases
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This information was last updated on May 28, 2004.
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for it. General
Synonyms: n-octane, normal octane
Use: solvent, a major component in most blends of gasoline (petrol)
Molecular formula: C8H18
CAS No: 111-65-9
EC No: 203-892-1
Annex I Index No: 601-009-00-8
Physical data
Appearance: colourless liquid
Melting point: -57 C
Boiling point: 126 C
Vapour density:
Vapour pressure: 11 mm Hg at 20 C
Specific gravity: 0.703
Flash point: 15 C (closed cup)
Explosion limits: 0.96 - 6.5 %
Autoignition temperature: 220 C
Critical temperature: 295.7 C
Stability
Stable. Highly flammable. Readily forms explosive mixtures with air.
Incompatible with oxidizing agents.
Toxicology
Harmful if inhaled or swallowed. Respiratory and eye irritant.
Typical TLV 300 ppm. Typical STEL 375 ppm. Typical PEL 500 ppm.
(The meaning of any abbreviations which appear in this section is given
here.)
IHL-RAT LD50 118 g m-3 4hr
(The meaning of any risk phrases which appear in this section is given
here.)
R11 R20 R22 R36 R37.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
Hazard class 3.2. Packing group II. UN No 1262.
Personal protection
Safety glasses and good ventilation.
(The meaning of any safety phrases which appear in this section is given
here.)
S9 S16 S29 S33.