Chlordane
Chlordane, or chlordan, is an organochlorine compound that was used as a pesticide. It is a white solid. In the United States, chlordane was used for termite-treatment of approximately 30 million homes until it was banned in 1988. Chlordane was banned 10 years earlier for food crops like corn and citrus, and on lawns and domestic gardens.
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| Names | |||
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| Systematic IUPAC name
1,2,4,5,6,7,8,8-Octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane | |||
| Other names
Chlordan; Chlordano; Ortho; Octachloro-4,7-methanohydroindane | |||
| Identifiers | |||
| ECHA InfoCard | 100.000.317 | ||
| KEGG | |||
PubChem CID |
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| UNII | |||
CompTox Dashboard (EPA) |
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| Properties | |||
| C10H6Cl8 | |||
| Molar mass | 409.76 g·mol−1 | ||
| Appearance | White solid | ||
| Odor | Slightly pungent, chlorine-like | ||
| Density | 1.59 g/cm3 | ||
| Melting point | 102–106 °C (216–223 °F; 375–379 K) | ||
| Boiling point | decomposes | ||
| 0.0001% (20°C) | |||
Refractive index (nD) |
1.565 | ||
| Hazards | |||
| Occupational safety and health (OHS/OSH): | |||
Main hazards |
potential occupational carcinogen | ||
| GHS labelling: | |||
| Danger | |||
| H301, H311, H351, H410 | |||
| P201, P273, P280, P301+P310+P330, P302+P352+P312 | |||
| Flash point | 107 °C (225 °F; 380 K) (open cup) | ||
| Explosive limits | 0.7–5% | ||
| Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
590 mg/kg (rat, oral) 100 mg/kg (rabbit, oral) 430 mg/kg (mouse, oral) 300 mg/kg (rabbit, oral) 145 mg/kg (mouse, oral) 1720 mg/kg (hamster, oral) 200 mg/kg (rat, oral) | ||
| NIOSH (US health exposure limits): | |||
PEL (Permissible) |
TWA 0.5 mg/m3 [skin] | ||
REL (Recommended) |
Ca TWA 0.5 mg/m3 [skin] | ||
IDLH (Immediate danger) |
100 mg/m3 | ||
| Safety data sheet (SDS) | Chlordane (technical mixture) | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
Like other chlorinated cyclodiene insecticides, chlordane is classified as an organic pollutant hazardous for human health. It is resistant to degradation in the environment and in humans/animals and readily accumulates in lipids (fats) of humans and animals. Exposure to the compound has been linked to cancers, diabetes, and neurological disorders.
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