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Safety and Health Topics: |
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| Cumene |
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General Description
Synonyms: Isopropyl benzene; Isopropylbenzene; 2-Phenyl propane; Cumol
OSHA IMIS Code Number: 0780
Chemical Abstracts Service (CAS) Registry Number: 98-82-8
NIOSH, Registry of Toxic Effects (RTECS) Identification Number: GR8575000
Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1918 130
NIOSH Pocket Guide to Chemical Hazards, Cumene: chemical description, physical properties, potentially hazardous incompatibilities, and more
Exposure Limits
OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-1 Table -- 50 ppm, 245 mg/m3 TWA; Skin
OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 50 ppm, 245 mg/m3 TWA; Skin
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 50 ppm, 245 mg/m3 TWA; Skin
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 50 ppm, 246 mg/m3 TWA
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 50 ppm 245 mg/m3 TWA; Skin
Health Factors
NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 900 ppm [LEL]
Potential symptoms: Eye, mucous membrane irritation; headaches; dry skin, dermatitis; dizziness, ataxia, drowsiness, narcosis; coma.
Health Effects: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15); Narcosis (HE8)
Affected organs: Eyes, skin, upper respiratory system, CNS
Notes: 1) Above 31°C, explosive vapor/air mixtures may be formed. 2) Unconsciousness may occur at levels of 4,000 ppm or greater. 3) Swallowing the liquid may cause aspiration into the lungs with the risk of chemical pneumonitis.
Date Last Revised: 02/05/2004
Literature Basis:
- International Chemical Safety Cards (WHO/IPCS/ILO): Cumene.
- EPA Air Toxics Website: Cumene. U.S. Environmental Protection Agency Technology Transfer Network.
- Pohanish, R.P. (editor): Cumene. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 682-684.
Monitoring Methods used by OSHA
Laboratory Sampling/Analytical Method:
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sampling media: Charcoal Tube (100/50 mg sections)
analytical solvent: (99:1) Carbon Disulfide/Dimethylformamide
maximum volume: 24 Liters maximum flow rate: 0.05 L/min
current analytical method: Gas Chromatography; GC/FID
method reference: OSHA Analytical Method (OSHA PV2137)
method classification: Partially Validated
Wipe sampling: Wipe with charcoal pad, seal in glass vial for shipment.
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