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NIOSH Pocket Guide to Chemical Hazards

September 2005

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 See: 7616946
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
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection codes)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
Provide: Frostbite wash
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
Important additional information about respirator selection
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   See ICSC CARD: 1114   See MEDICAL TESTS: 0181

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