- Chemical Sampling Information
Synonyms: Benzene, 1-chloro-4-(trifluoromethyl)-; p-Chlorobenzotrifluoride; (p-Chlorophenyl)trifluoromethane; p-(Trifluoromethyl)chlorobenzene; p-Trifluoromethylphenyl chloride, p-Chloro-alpha, alpha, alpha-trifluorotoluene
OSHA IMIS code: R249
CAS number(s): 98-56-6; 92709-16-5
Monitoring Methods used by OSHA
Primary Laboratory Sampling/Analytical Method:
- charcoal tube (100/50 mg sections, 20/40 mesh)
- maximum volume: 10 L
- maximum flow rate: 0.2 L/min (TWA)
- current analytical method: gas chromatography; GC/FID
- analytical solvent: (99:1) carbon disulfide/methanol
- method reference: NIOSH 1026 (partially validated)
- note: Samples must be refrigerated for shipment to the laboratory. Sample stability is 7 days at 25°C; and 30 days at 5°C.
Exposure Limits and Health Effects (Updated September 6, 2012)
|Standard Set By||Exposure Limit||Health Effect Codes -- Health Effects and Target Organs|
|OSHA PEL||Not established|
|NIOSH REL||Not established|
|ACGIH TLV®||Not established|
|CAL/OSHA PELs||Not established|
- NTP: Not listed
- IARC: Not listed
- EPA: Not listed
EPA Inhalation Reference Concentration (RfC): Not established
ATSDR Inhalation Minimal Risk Levels (MRLs): Not established
NIOSH IDLH concentration: Not established
Notes on other potential health effects and hazards:
- Exposure may cause irritation to the skin, eyes, and mucous membranes (Pohanish 2008).
- In June 2009, the National Toxicology Program developed a Chemical Information Profile for 1-Chloro-4-(trifluoromethyl)benzene [CAS No. 98-56-6] supporting nomination for toxicological evaluation (NTP 2009).
Partial reference list:
- NTP: Chemical Information Profile for 1-Chloro-4-(trifluoromethyl)benzene. 2009.
- Pohanish, R.P.: Sittig’s Handbook of Toxic and Hazardous Chemical Carcinogens 5th Edition, Volume 1: A-H, Volume 2: I-Z. William Andrew, Norwich, NY, p. 603, 2008.
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