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Hexachlorocyclopentadiene

Synonyms & Trade Names
HCCPD, Hexachloro-1,3-cyclopentadiene, 1,2,3,4,5,5-Hexachloro-1,3-cyclopentadiene, Perchlorocyclopentadiene
CAS No.
77-47-4
RTECS No.
GY1225000
DOT ID & Guide
2646 151
Formula
C5Cl6
Conversion
1 ppm = 11.16 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 0.01 ppm (0.1 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
NIOSH 2518
See: NMAM or OSHA Methods
Physical Description
Pale-yellow to amber-colored liquid with a pungent, unpleasant odor. [Note: A solid below 16°F.]
Molecular Weight
272.8
Boiling Point
462°F
Freezing Point
16°F
Solubility
(77°F): 0.0002% (Reacts)
Vapor Pressure
(77°F): 0.08 mmHg
Ionization Potential
?
Specific Gravity
1.71
Flash Point
NA
Upper Exposive Limit
NA
Lower Explosive Limit
NA
Noncombustible Liquid
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.]
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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
Target Organs
Eyes, skin, respiratory system, liver, kidneys
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
Provide:Eyewash, Quick drench
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 1096
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