Chlorine trifluoride
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Synonyms & Trade Names
Chlorine fluoride, ChlorotrifluorideExposure Limits
NIOSH REL
C 0.1 ppm (0.4 mg/m3)OSHA PEL
C 0.1 ppm (0.4 mg/m3)Physical Description
Colorless gas or a greenish-yellow liquid (below 53°F) with a somewhat sweet, suffocating odor. [Note: Shipped as a liquefied compressed gas.]Molecular Weight
92.5Boiling Point
53°FFreezing Point
-105°FSolubility
ReactsVapor Pressure
1.4 atmIonization Potential
13.00 eVSpecific Gravity
1.77 (Liquid at 53°F)Flash Point
NAUpper Exposive Limit
NALower Explosive Limit
NARelative Gas Density
3.21Incompatibilities & Reactivities
Oxidizers, water, acids, combustible materials, sand, glass, metals (corrosive) [Note: Reacts with water to form chlorine & hydrofluoric acid.]Exposure Routes
inhalation, ingestion (liquid), skin and/or eye contactSymptoms
Eye, skin burns (liquid or high vapor concentration); resp irritation; In Animals: lacrimation (discharge of tears), corneal ulcer; pulmonary edemaTarget Organs
Skin, eyes, respiratory systemPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated (liquid)
Remove:When wet or contaminated (liquid)
Change:No recommendation
Provide:Eyewash (liquid), Quick drench (liquid)
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Water flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately (liquid)
Respirator Recommendations
NIOSH/OSHA
Up to 2.5 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
Up to 5 ppm:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 20 ppm:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
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 canister providing protection against the compound of concern
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division