|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Selenium hexafluoride | CAS 7783-79-1 | ||
| SeF6 | RTECS VS9450000 | ||
|
Synonyms & Trade Names Selenium fluoride |
DOT ID & Guide 2194 125 |
||
|
Exposure Limits |
NIOSH REL: TWA 0.05 ppm | ||
| OSHA PEL: TWA 0.05 ppm (0.4 mg/m3) | |||
| IDLH 2 ppm See: 7783791 | Conversion 1 ppm = 7.89 mg/m3 | ||
|
Physical Description Colorless gas. |
|||
|
MW: 193.0 |
BP: -30°F |
FRZ: -59°F |
Sol: Insoluble |
|
VP: >1 atm |
IP: ? |
RGasD: 6.66 |
|
|
Fl.P: NA |
UEL: NA |
LEL: NA |
|
| Nonflammable Gas | |||
|
Incompatibilities & Reactivities Water [Note: Hydrolyzes very slowly in cold water.] |
|||
|
Measurement Methods None available See: NMAM or OSHA Methods |
|
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 |
|
Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 0.5 ppm: (APF = 10) Any supplied-air respirator Up to 1.25 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode Up to 2 ppm: (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 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 | |
| Symptoms In animals: pulmonary irritation, edema | |
|
Target Organs
respiratory system |
|
| See also: INTRODUCTION See ICSC CARD: 0947 See MEDICAL TESTS: 0203 |