1,2,3-Trichlorobenzene
Title: 1,2,3-Trichlorobenzene
CAS Registry Number: 87-61-6
Additional Names: vic-Trichlorobenzene
Molecular Formula: C6H3Cl3
Molecular Weight: 181.45
Percent Composition: C 39.72%, H 1.67%, Cl 58.62%
Literature References: Prepared from 3,4,5-trichloroaniline by diazotization: Cohen, Hartley, J. Chem. Soc. 87, 1365 (1905); Holleman, Rec. Trav. Chim. 37, 196 (1918); from 2,3,4-trichloroaniline by diazotization: Dadien et al., Monatsh. Chem. 61, 431 (1932); from 2,3,4-trichloroaniline by treatment with ethyl nitrite: Beilstein, Kurbatow, Ann. 192, 234 (1878).
Properties: Platelets from alc, d 1.69. mp 52.6°. bp 221°. nD19 1.5776. Flash pt 113°C (235.4°F). Volatile with steam. Insol in water. Sparingly sol in alc. Freely sol in benzene, carbon disulfide.
Melting point: mp 52.6°
Boiling point: bp 221°
Flash point: Flash pt 113°C (235.4°F)
Index of refraction: nD19 1.5776
Density: d 1.69
CAUTION: Irritating to eyes, mucous membranes.
Use: A commercial grade (mixture of isomeric trichlorobenzenes) is used to combat termites.

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