1,3,5-Trichlorobenzene

1,3,5-Trichlorobenzene is an organochlorine compound. It is one of the three isomers of trichlorobenzene. Being more symmetrical than the other isomers, it exists as colourless crystals whereas the other isomers are liquids at room temperature.

1,3,5-Trichlorobenzene
Names
Preferred IUPAC name
1,3,5-Trichlorobenzene
Other names
sym-Trichlorobenzene
Identifiers
3D model (JSmol)
1635233
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.003.281
EC Number
  • 203-608-6
601358
RTECS number
  • DC2100100
UNII
  • InChI=1S/C6H3Cl3/c7-4-1-5(8)3-6(9)2-4/h1-3H checkY
    Key: XKEFYDZQGKAQCN-UHFFFAOYSA-N checkY
  • InChI=1/C6H3Cl3/c7-4-1-5(8)3-6(9)2-4/h1-3H
    Key: XKEFYDZQGKAQCN-UHFFFAOYAQ
  • Clc1cc(Cl)cc(Cl)c1
Properties[1]
C6H3Cl3
Molar mass 181.44 g·mol−1
Appearance White solid
Melting point 63 °C (145 °F; 336 K)
Boiling point 208.0 °C (406.4 °F; 481.1 K)[2]
0.6 mg/100 mL
Related compounds
Related compounds
 1,2,3-Trichlorobenzene
1,2,4-Trichlorobenzene
Hazards[3]
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H312, H315, H319, H332, H335, H412
P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
Flash point 107 °C (225 °F; 380 K)
Lethal dose or concentration (LD, LC):
800 mg/kg (oral, rat)
3350 mg/kg (oral, mouse)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

It is not formed upon chlorination of benzene. Instead it is prepared by the Sandmeyer reaction from 3,5-dichloroaniline.[4]

See also
  • Chlorobenzenes—different numbers of chlorine substituents and isomeric forms

References
  1. 1,3,5-Trichlorobenzene, International Programme on Chemical Safety
  2. Jaw, Ching-Guang; Chen, I-Ming; Yen, Jui-Hung; Wang, Yei-Shung (December 1999). "Partial solubility parameters of chlorobenzene and chlorophenol compounds at equilibrium distribution in two immiscible phases". Chemosphere. 39 (15): 2607–2620. Bibcode:1999Chmsp..39.2607J. doi:10.1016/s0045-6535(99)00173-3. ISSN 0045-6535.
  3. MSDS for 1,3,5-Trichlorobenzene
  4. U. Beck; E. Löser (2012). "Chlorinated Benzenes and Other Nucleus-Chlorinated Aromatic Hydrocarbons". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.o06_o03. ISBN 978-3527306732.
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