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| Heptachlor | CAS 76-44-8 | ||
| C10H5Cl7 | RTECS PC0700000 | ||
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Synonyms & Trade Names 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene |
DOT ID & Guide 2761 151 (organochlorine pesticide, solid) |
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Exposure Limits |
NIOSH REL: Ca TWA 0.5 mg/m3 [skin] See Appendix A | ||
| OSHA PEL: TWA 0.5 mg/m3 [skin] | |||
| IDLH Ca [35 mg/m3] | Conversion | ||
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Physical Description White to light-tan crystals with a camphor-like odor. [insecticide] |
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MW: 373.4 |
BP: 293°F (Decomposes) |
MLT: 203°F |
Sol: 0.0006% |
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VP(77°F): 0.0003 mmHg |
IP: ? |
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Sp.Gr: 1.66 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid, but may be dissolved in flammable liquids. | |||
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Incompatibilities & Reactivities Iron, rust |
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Measurement Methods NIOSH S287 (II-5); OSHA PV2029 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated/Daily Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms In animals: tremor, convulsions; liver damage; [potential occupational carcinogen] | |
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Target Organs
central nervous system, liver Cancer Site [in animals: liver cancer] |
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| See also: INTRODUCTION |