1,4-Bis(trichloromethyl)benzene

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1,4-Bis(trichloromethyl)benzene
Names
Other names
hexachloroxylene; hexachloroparaxylene; Chloxil; Chloxyl
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.000.624 Edit this at Wikidata
EC Number
  • 200-686-3
UNII
  • InChI=1S/C8H4Cl6/c9-7(10,11)5-1-2-6(4-3-5)8(12,13)14/h1-4H
    Key: OTEKOJQFKOIXMU-UHFFFAOYSA-N
  • C1=CC(=CC=C1C(Cl)(Cl)Cl)C(Cl)(Cl)Cl
Properties
Appearance white solid
Density 1.778 g/cm3
Melting point 108–110 °C (226–230 °F; 381–383 K)
Boiling point 213 °C (415 °F; 486 K)
Hazards
GHS labelling:
GHS05: CorrosiveGHS06: Toxic
Danger
H301, H311, H314, H331
P260, P261, P264, P270, P271, P280, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P321, P322, P330, P361, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

1,4-Bis(trichloromethyl)benzene is an organic compound with the formula C6H4(CCl3)2. A white solid, it is prepared industrially by chlorination of para-xylene. It reacts with terephthalic acid to give terephthaloyl chloride, a precursor to Kevlar.[1] It also reacts with sulfur dioxide to give the same acid chloride and thionyl chloride.[2] It reacts with hydrogen fluoride in 1,2-dichloroethane to form 1,4-bis(chlorodifluoromethyl)benzene in a yield of 79%.[3]

See also

References

  1. ^ Pfoertner, Karl-Heinz (2000). "Photochemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_573. ISBN 978-3527306732.
  2. ^ Rondestvedt, Christian S. (1976). "New Syntheses of Aromatic Acid Chlorides from Trichloromethylarenes. 1. Reaction with Sulfur Dioxide". The Journal of Organic Chemistry. 41 (22): 3569–3574. doi:10.1021/jo00884a017. S2CID 197293724.
  3. ^ Dolbier, William R.; Duan, Jian-Xin; Rong, Xiao X. (2007). "Efficient synthesis of p-bis-(chlorodifluoromethyl)benzene". Journal of Fluorine Chemistry. 128 (10). Elsevier BV: 1091–1093. doi:10.1016/j.jfluchem.2007.05.007. ISSN 0022-1139.
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