Nomenclature
CAS number: 108-67-8
1,3,5-Trimethylbenzene;
sym-trimethylbenzene.
C
9H
12; mol wt 120.19.
C 89.94%, H 10.06%.
Description and references
Occurs in coal tar and in petroleum crudes;
prepd by dehydrating acetone with H2SO4: Adams,
Hufferd, Org. Synth. 2, 41 (1922).
Properties
Liquid; peculiar odor. d420 0.8637. mp 44.8°. nD18 1.49541. bp760 164.7°; bp100 98.9°; bp20 61°; bp10 47.4°; bp1.0 9.6°. Practically insol in water
(100 g H2O dissolve 0.002 g). Miscible with alcohol, ether,
benzene.Caution
Potential symptoms of overexposure
are irritation of eyes, skin, nose, throat, respiratory system; bronchitis;
hypochromic anemia, headache, drowsiness, fatigue, dizziness, nausea,
incoordination; vomiting, confusion; aspiration of liquid may cause
chemical pneumonia. See NIOSH
Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997)
p 320.