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CAS No 108-67-8 , 1,3,5-trimethylbenzene

  • Name: 1,3,5-trimethylbenzene
  • Synonyms: 3,5-Dimethyltoluene; sym-Trimethylbenzene;1,3,5-Trimethylbenzene; 108-67-8;1,3,5-trimethylbenzene; Trimethylbenzol; Benzene; Fleet-X; 1,3,5-trimethyl-;
  • CAS Registry Number:
  • Transport: UN 2325
  • Melting Point: -45 ºC
  • Flash Point: 44 ºC
  • Boiling Point: 163-166 ºC
  • Density: 0.864
  • Refractive index: 1.498-1.5
  • Water Solubility: 2.9 G/L (20 ºC)
  • Safety Statements: R10;R37;R51/53
  • Hazard Symbols: N: Dangerous for the environment;Xi: Irritant;
  • HS Code: 29029080
  • Flash Point: 44 ºC
  • EINECS: 203-604-4
  • Molecular Weight: 120.19158
  • InchiKey: AUHZEENZYGFFBQ-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H12/c1-7-4-8(2)6-9(3)5-7/h4-6H,1-3H3
  • Risk Statements: S61
  • Molecular Formula: C9H12
  • Molecular Structure:CAS No:108-67-8 1,3,5-trimethylbenzene
References of 1,3,5-trimethylbenzene
Title: Mesitylene
CAS Registry Number: 108-67-8
CAS Name: 1,3,5-Trimethylbenzene
Synonyms: sym-trimethylbenzene
Molecular Formula: C9H12
Molecular Weight: 120.19
Percent Composition: C 89.94%, H 10.06%
Literature 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.
Melting point: mp -44.8°
Boiling point: bp760 164.7°; bp100 98.9°; bp20 61°; bp10 47.4°; bp1.0 9.6°
Index of refraction: nD18 1.49541
Density: d420 0.8637
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.