Chemical formulaC10H5Cl7
CAS chemical name 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanol-1H-indene
CAS number 76-44-8
U.S. EPA PC Code044801
CA DPR Chem Code317
Molecular mass373.32 g/mole
Density 1.58 g/cm³
Melting point95-96 °C
Boiling point 135-145 °C  at 1-1.5 mm Hg
Soil sorption coefficientlog KOC  =  4.38
Octanol/Water Partitionlog KOW  =  4.4 -5.5
Solubility in waterSW  = 180 μg/l  at 25°C
Vapour pressure 3 x 10-4 mm Hg at 25 °C
Henry’s law constantKH = 2.3 x 10-3  atm-m3/mol
Pure: white powder, camphor-like smell
Technical-grade: tan powder,  camphor-like smell
Trade Names/Synonymsagroceres, basaklor, drinox, Gold Crest H-60, GPKH, heptagran, hepta, heptachlorane,  heptamul,  heptagranox, heptamak, heptox, heptamul, rhodiachlor,  Termide, velsicol heptachlor, velsicol 104
Formulation Typesdusts, wettable powders, emulsifiable concentrates, and oil solutions

Structure formula of Heptachlor

3D structure of Heptachlor