Hexachlorocyclopentadiene
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CAS
77-47-4
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C5Cl6
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RTECS
GY1225000
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Synonyms & Trade Names
HCCPD; Hexachloro-1,3-cyclopentadiene; 1,2,3,4,5,5-Hexachloro-1,3-cyclopentadiene; Perchlorocyclopentadiene
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DOT ID & Guide
2646 / 151
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Exposure
Limits
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NIOSH REL: TWA 0.01 ppm (0.1 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 11.16 mg/m3
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Physical Description
Pale-yellow to amber-colored liquid with a pungent, unpleasant odor. [Note: A solid below 16°F.]
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MW: 272.8
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BP: 462°F
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FRZ: 16°F
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Sol(77°F): 0.0002% (Reacts)
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VP(77°F): 0.08 mmHg
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IP: ?
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Sp.Gr: 1.71
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Fl.P: NA
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UEL: NA
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LEL: NA
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Noncombustible Liquid
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Incompatibilities & Reactivities
Water, light [Note: Reacts slowly with water to form hydrochloric acid; will corrode iron & most metals in presence of moisture. Explosive hydrogen gas may collect in enclosed spaces in the presence of moisture.]
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Measurement Methods
NIOSH 2518
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
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
Irritation eyes, skin, respiratory system; eye, skin burns; lacrimation (discharge of tears); sneezing, cough, dyspnea (breathing difficulty), salivation, pulmonary edema; nausea, vomiting, diarrhea; in animals: liver, kidney injury
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Target Organs
Eyes, skin, respiratory system, liver, kidneys
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