# NIOSH Pocket Guide to Chemical Hazards
Fluorine | CAS 7782-41-4
F2 | RTECS LM6475000
Synonyms & Trade Names Fluorine-19 | DOT ID & Guide 9192 167 (cryogenic liquid) 1045 124 (compressed)
Exposure Limits | NIOSH REL: TWA 0.1 ppm (0.2 mg/m3)
OSHA PEL: TWA 0.1 ppm (0.2 mg/m3)
IDLH 25 ppm | Conversion 1 ppm = 1.55 mg/m3
Physical Description Pale-yellow to greenish gas with a pungent, irritating odor.
MW: 38.0 | BP: -307°F | FRZ: -363°F | Sol: Reacts
VP: >1 atm | IP: 15.70 eV | RGasD: 1.31 |
Fl.P: NA | UEL: NA | LEL: NA |
Nonflammable Gas, but an extremely strong oxidizer.
Incompatibilities & Reactivities Water, nitric acid, oxidizers, organic compounds [Note: Reacts violently with all combustible materials, except the metal containers in which it is shipped. Reacts with H2O to form hydrofluoric acid.]
Measurement Methods None available
Personal Protection & Sanitation Skin: Prevent skin contact (liquid) Eyes: Prevent eye contact (liquid) 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
Respirator Recommendations NIOSH/OSHA Up to 1 ppm: (APF = 10) Any supplied-air respirator* 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 25 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
Exposure Routes inhalation, skin and/or eye contact
Symptoms Irritation eyes, nose, respiratory system; laryngeal spasm, wheezing; pulmonary edema; eye, skin burns; in animals: liver, kidney damage
Target Organs Eyes, skin, respiratory system, liver, kidneys
See also: INTRODUCTION