Tellurium hexafluoride
Synonyms & Trade Names
Tellurium fluorideExposure Limits
NIOSH REL
TWA 0.02 ppm (0.2 mg/m3)OSHA PEL
TWA 0.02 ppm (0.2 mg/m3)Physical Description
Colorless gas with a repulsive odor.Molecular Weight
241.6Boiling Point
SublimesFreezing Point
-36°F (Sublimes)Solubility
DecomposesVapor Pressure
>1 atmIonization Potential
?Flash Point
NAUpper Exposive Limit
NALower Explosive Limit
NARelative Gas Density
8.34Incompatibilities & Reactivities
Water [Note: Hydrolyzes slowly in water to telluric acid.]Exposure Routes
inhalationSymptoms
headache; dyspnea (breathing difficulty); garlic breath; In Animals: pulmonary edemaTarget Organs
respiratory systemPersonal Protection/Sanitation
(See protection codes)Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
Respirator Recommendations
NIOSH/OSHA
Up to 0.2 ppm:
(APF = 10) Any supplied-air respirator
Up to 0.5 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
Up to 1 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
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division