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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 1374

Chemical Abstracts Service (CAS) Registry Number: 77-47-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: GY1225000; 28895

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN2646 Poison

NIOSH Pocket Guide to Chemical Hazards, Hexachlorocyclopentadiene: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

liquid

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.01 ppm, 0.11 mg/m3 TWA; Appendix A4 (Not Classifiable as a Human Carcinogen)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.01 ppm TWA

Health Factors

Health Effects: Irritation-Eye, Nose, Throat, Skin---Marked (HE14) Lung edema (HE11); Cumulative organ damage (HE3)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Porapak T Tube (75/25 mg sections, 80/100 mesh)
    analytical solvent: Hexane
    maximum volume:     100 Liters
    maximum flow rate:     0.2 L/min
    current analytical method:     Gas Chromatography; GC/ECD
    method reference:     1 (NIOSH 2518 [24 KB PDF, 4 pages])
    sampling and analytical error:     0.13
    method classification:     Fully Validated

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