Safety data for o-xylene
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Toxicity data
Risk phrases
Safety phrases
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This information was last updated on January 30, 2006.
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for it. General
Synonyms: ortho-xylene, o-xylol, 1,2-dimethylbenzene
Use: solvent, synthetic agent
Molecular formula: C8H10
CAS No: 95-47-6
EC No: 202-422-2
Annex I Index no: 601-022-00-9
Physical data
Appearance: colourless liquid
Melting point: -24 C
Boiling point: 144 C
Vapour density: 3.7
Vapour pressure: 7 mm Hg at 20 C
Specific gravity: 0.87
Flash point: 32 C (closed cup)
Explosion limits: 1.1 % - 7 %
Autoignition temperature: 463 C
Water solubility: insoluble
Stability
Stable. Incompatible with oxidizing agents. Flammable.
Hygroscopic.
Toxicology
Harmful if inhaled or absorbed through the skin.
Narcotic. May cause lung irritation, chest pain or fatal oedema.
May impair fertility. Skin irritant. Typical STEL 150 ppm.
(The meaning of any abbreviations which appear in this section is given
here.)
IPR-MUS LD50 1.5 ml kg-1
ORL-RAT LD50 4000 mg kg-1
(The meaning of any risk phrases which appear in this section is given
here.)
R10 R20 R21 R38.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
UN No 1307. Hazard class 3. Packing group II.
Personal protection
Safety glasses, adequate ventilation.
(The meaning of any safety phrases which appear in this section is given
here.)
S25.