Heptachlor
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CAS
76-44-8
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C10H5Cl7
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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
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DOT ID & Guide
2761 / 151 (organochlorine pesticide, solid)
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Exposure
Limits
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NIOSH REL: Ca TWA 0.5 mg/m3 [skin] See Appendix A
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OSHA PEL: TWA 0.5 mg/m3 [skin]
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IDLH
Ca [35 mg/m3]
See: 76448
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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
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BP: 293°F (Decomposes)
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MLT: 203°F
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Sol: 0.0006%
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VP(77°F): 0.0003 mmHg
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IP: ?
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Sp.Gr: 1.66
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Fl.P: NA
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UEL: NA
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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
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
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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 an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
See ICSC CARD: 0743 |
