# NIOSH Pocket Guide to Chemical Hazards
Trifluorobromomethane | CAS 75-63-8
CBrF3 | RTECS PA5425000
Synonyms & Trade Names Bromotrifluoromethane, Fluorocarbon 1301, Freon® 13B1, Halocarbon 13B1, Halon® 1301, Monobromotrifluoromethane, Refrigerant 13B1, Trifluoromonobromomethane | DOT ID & Guide 1009 126
Exposure Limits | NIOSH REL: TWA 1000 ppm (6100 mg/m3)
OSHA PEL: TWA 1000 ppm (6100 mg/m3)
IDLH 40,000 ppm | Conversion 1 ppm = 6.09 mg/m3
Physical Description Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas.]
MW: 148.9 | BP: -72°F | FRZ: -267°F | Sol: 0.03%
VP: >1 atm | IP: 11.78 eV | RGasD: 5.14 |
Fl.P: NA | UEL: NA | LEL: NA |
Nonflammable Gas
Incompatibilities & Reactivities Chemically-active metals (such as calcium, powdered aluminum, zinc & magnesium)
Measurement Methods NIOSH 1017
Personal Protection & Sanitation Skin: Frostbite Eyes: Frostbite Wash skin: No recommendation Remove: No recommendation Change: No recommendation Provide: Frostbite | First Aid (See procedures) Eye: Frostbite Skin: Frostbite Breathing: Respiratory support
Respirator Recommendations NIOSH/OSHA Up to 10,000 ppm: (APF = 10) Any supplied-air respirator Up to 25,000 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode Up to 40,000 ppm: (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure- demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin and/or eye contact (liquid)
Symptoms Dizziness; cardiac arrhythmias; liquid: frostbite
Target Organs central nervous system, heart
See also: INTRODUCTION