Chlorine trifluoride
Synonyms & Trade Names
Chlorine fluoride, Chlorotrifluoride
Exposure Limits
NIOSH REL
C 0.1 ppm (0.4 mg/m?)OSHA PEL
C 0.1 ppm (0.4 mg/m?)Measurement Methods
None available
See: NMAM or
See: NMAM or
Physical Description
Colorless gas or a greenish-yellow liquid (below 53‘γΉσ) with a somewhat sweet, suffocating odor.
[Note: Shipped as a liquefied compressed gas.]
Molecular Weight
92.5
Boiling Point
53‘γΉσ
Freezing Point
-105‘γΉσ
Solubility
Reacts
Vapor Pressure
1.4 atm
Ionization Potential
13.00 eV
Specific Gravity
1.77 (Liquid at 53‘γΉσ)
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
NA
Relative Gas Density
3.21
Nonflammable Gas Noncombustible Liquid, but contact with organic materials may result in SPONTANEOUS ignition.
Incompatibilities & 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 contact
Symptoms
Eye, skin burns (liquid or high vapor concentration); resp irritation; In Animals: lacrimation (discharge of tears), corneal ulcer; pulmonary edema
Target Organs
Skin, eyes, respiratory system
Personal 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)
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)
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
See also
INTRODUCTION
ICSC CARD:
MEDICAL TESTS: 0046
Page last reviewed: October 30, 2019
Content
source: National Institute for Occupational Safety and Health