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Properties

Chemical formulaC6Cl6
CAS chemical name
Hexachlorobenzene
CAS number
118-74-1
U.S. EPA PC Code061001
CA DPR Chem Code321
Molecular mass284.78 g/mole
Density 2.044 g/cm³
Melting point227-230 °C
Boiling point 323-326 °C (sublimes)
Soil sorption coefficientlog Koc  =  2.56-6.08
Octanol/Water Partitionlog Kow  =  3.03-6.42
Solubility in waterSw  = 6 μg/l  at 20°C
Vapour pressure 1.089 x 10-5 mm Hg at 20 °C
Henry’s law constantKH =7,10 x 10-2  atm-m3/mol
AppearanceWhite monoclinic crystals or crystalline solid
Trade Names/SynonymsAmaticin, Anticarie, Bunt cure, Bunt no more, Co op hexa, Granox, No bunt, Sanocide, Smut go, Sniecotox
Nonwater solvents

Slightly soluble in ethanol, soluble in ethyl ether, and

very soluble in benzene
 


Structure formula of HCB


3D structure of HCB