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Names | |
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IUPAC name
decachloropentacyclo[5.3.0.02.6.03.9.04.8]decan-5-one[1]
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Other names
Chlordecone
Clordecone Merex CAS name: 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-1,3,4-metheno-2H-cyclobuta[cd]pentalen-2-one | |
Identifiers | |
3D model (JSmol)
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ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.005.093 |
EC Number |
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KEGG | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C10Cl10O | |
Molar mass | 490.633 g/mol |
Appearance | tan to white crystalline solid |
Odor | odorless |
Density | 1.6 g/cm3 |
Melting point | 349 °C (660 °F; 622 K) (decomposes) |
0.27 g/100 mL | |
Solubility | soluble in acetone, ketone, acetic acid slightly soluble in benzene, hexane |
log P | 5.41 |
Vapor pressure | 3.10−7 kPa |
Thermochemistry | |
Std molar
entropy (S⦵298) |
764 J/K mol |
Std enthalpy of
formation (ΔfH⦵298) |
-225.9 kJ/mol |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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carcinogen[2] |
Flash point | Non-flammable[2] |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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95 mg/kg (rat, oral) |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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none[2] |
REL (Recommended)
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Ca TWA 0.001 mg/m3[2] |
IDLH (Immediate danger)
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N.D.[2] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chlordecone, better known in the United States under the brand name Kepone, is an organochlorine compound and a colourless solid. It is an obsolete insecticide, now prohibited in the western world, but only after many thousands of tonnes had been produced and used.[3] Chlordecone is a known persistent organic pollutant that was banned globally by the Stockholm Convention on Persistent Organic Pollutants in 2009.[4]
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