# NIOSH Pocket Guide to Chemical Hazards
Perchloryl fluoride | CAS 7616-94-6
ClO3F | RTECS SD1925000
Synonyms & Trade Names Chlorine fluoride oxide, Chlorine oxyfluoride, Trioxychlorofluoride | DOT ID & Guide 3083 124
Exposure Limits | NIOSH REL: TWA 3 ppm (14 mg/m3) ST 6 ppm (28 mg/m3)
OSHA PEL†: TWA 3 ppm (13.5 mg/m3)
IDLH 100 ppm | Conversion 1 ppm = 4.19 mg/m3
Physical Description Colorless gas with a characteristic, sweet odor. [Note: Shipped as a liquefied compressed gas.]
MW: 102.5 | BP: -52°F | FRZ: -234°F | Sol: 0.06%
VP: 10.5 atm | IP: 13.60 eV | RGasD: 3.64 |
Fl.P: NA | UEL: NA | LEL: NA |
Nonflammable Gas, but will support combustion.
Incompatibilities & Reactivities Combustibles, strong bases, amines, finely divided metals, reducing agents, alcohols
Measurement Methods None available
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 30 ppm: (APF = 10) Any supplied-air respirator Up to 75 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode* Up to 100 ppm: (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 canister providing protection against the compound of concern¿/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin and/or eye contact (liquid)
Symptoms Irritation respiratory system; liquid: frostbite; in animals: methemoglobinemia; cyanosis; lassitude (weakness, exhaustion), dizziness, headache; pulmonary edema; pneumonitis; anoxia
Target Organs Skin, respiratory system, blood
See also: INTRODUCTION