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Chemical Sampling Information (CSI)
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General Description

Synonyms: Bicyclopentadiene; 1,3-Cyclopentadiene, dimer; DCPD

OSHA IMIS Code Number: 0903

Chemical Abstracts Service (CAS) Registry Number: 77-73-6

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: PC1050000; 48495

Chemical Description and Physical Properties:

liquid

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 5 ppm, 27 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5 ppm TWA

Health Factors

Health Effects: Cumulative kidney and liver damage (HE3); Headaches (HE7) Irritation-Eye, Nose, Throat, Skin---Mild (HE16)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Carbon Disulfide
    maximum volume: 10 Liters
    maximum flow rate: 0.1 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-house File)
    method classification: Partially Validated

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