Boron trifluoride |
Synonyms & Trade Names Boron fluoride, Trifluoroborane |
CAS No. 7637-07-2 |
RTECS No. ED2275000 |
DOT ID & Guide 1008 125 |
FormulaBF3 |
Conversion 1 ppm = 2.77 mg/m3 |
IDLH 25 ppm
See: 7637072 |
Exposure Limits NIOSH REL: C 1 ppm (3 mg/m3)
OSHA PEL: C 1 ppm (3 mg/m3) |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Colorless gas with a pungent, suffocating odor. [Note: Forms dense white fumes in moist air. Shipped as a nonliquefied compressed gas.] |
MW: 67.8 |
BP: -148°F |
FRZ: -196°F |
Sol: 106% (in cold H2O) |
VP: >50 atm |
IP: 15.50 eV |
|
Fl.P: NA |
UEL: NA |
LEL: NA |
RGasD: 2.38 |
|
| Nonflammable Gas |
Incompatibilities & Reactivities Alkali metals, calcium oxide [Note: Hydrolyzes in moist air or hot water to form boric acid, hydrogen fluoride & fluoboric acid.] |
Exposure Routes inhalation, skin and/or eye contact |
Symptoms irritation eyes, skin, nose, respiratory system; epistaxis (nosebleed); eye, skin burns; in animals: pneumonitis; kidney damage |
Target Organs Eyes, skin, respiratory system, kidneys |
|
Personal Protection/Sanitation (See protection codes)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
|
Respirator Recommendations NIOSH/OSHA Up to 10 ppm:
(APF = 10) Any supplied-air respirator* Up to 25 ppm:
(APF = 25) Any supplied-air respirator 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 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 |
| See also: INTRODUCTION See ICSC CARD: 0231
|
