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Nitrogen trifluoride | CAS 7783-54-2 | ||
NF3 | RTECS QX1925000 | ||
Synonyms & Trade Names Nitrogen fluoride, Trifluoramine, Trifluorammonia |
DOT ID & Guide 2451 122 |
Exposure Limits |
NIOSH REL: TWA 10 ppm (29 mg/m3) | ||
OSHA PEL: TWA 10 ppm (29 mg/m3) | |||
IDLH 1000 ppm | Conversion 1 ppm = 2.90 mg/m3 |
Physical Description Colorless gas with a moldy odor. [Note: Shipped as a nonliquefied compressed gas.] |
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MW: 71.0 |
BP: -200°F |
FRZ: -340°F |
Sol: Slight |
VP: >1 atm |
IP: 12.97 eV |
RGasD: 2.46 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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Nonflammable Gas | |||
Incompatibilities & Reactivities Water, oil, grease, oxidizable materials, ammonia, carbon monoxide, methane, hydrogen, hydrogen sulfide, activated charcoal, diborane |
Measurement Methods None available |
Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Breathing: Respiratory support |
Respirator Recommendations
NIOSH/OSHA Up to 100 ppm: (APF = 10) Any chemical cartridge respirator with cartridge(s) providing protection against the compound of concern/(APF = 10) Any supplied-air respirator Up to 250 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode/(APF = 25) Any powered, air-purifying respirator with cartridge(s) providing protection against the compound of concern Up to 500 ppm: (APF = 50) Any chemical cartridge respirator with a full facepiece and cartridge(s) providing protection against the compound of concern/(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/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and cartridge(s) providing protection against the compound of concern*/(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 1000 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 |
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Exposure Routes inhalation | |
Symptoms In animals: anoxia, cyanosis; methemoglobinemia; lassitude (weakness, exhaustion), dizziness, headache; liver, kidney injury | |
Target Organs
Blood, liver, kidneys |
See also: INTRODUCTION |