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Rhodium (metal fume and insoluble compounds, as Rh) |
CAS 7440-16-6 (metal) | ||
Rh (metal) |
RTECS VI9069000 (metal) | ||
Synonyms & Trade Names Rhodium metal: Elemental rhodium Synonyms of other insoluble rhodium compounds vary depending upon the specific compound. |
DOT ID & Guide |
Exposure
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NIOSH REL: TWA 0.1 mg/m3 | ||
OSHA PEL: TWA 0.1 mg/m3 | |||
IDLH 100 mg/m3 (as Rh) See: rhodium | Conversion |
Physical Description Metal: White, hard, ductile, malleable solid with a bluish-gray luster. |
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MW: 102.9 |
BP: 6741°F |
MLT: 3571°F |
Sol: Insoluble |
VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 12.41 (metal) |
Fl.P: NA |
UEL: NA |
LEL: NA |
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Metal: Noncombustible Solid in bulk form, but flammable as dust or powder. | |||
Incompatibilities & Reactivities Chlorine trifluoride, oxygen difluoride |
Measurement Methods NIOSH S188 (II-3) See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection) Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Breathing: Respiratory support Swallow: Medical attention immediately |
Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 0.5 mg/m3: (APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters. Up to 1 mg/m3: (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters. (APF = 10) Any supplied-air respirator Up to 2.5 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode (APF = 25) Any powered air-purifying respirator with a high-efficiency particulate filter. Up to 5 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters. (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode (APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter (APF = 50) Any self-contained breathing apparatus with a full facepiece (APF = 50) Any supplied-air respirator with a full facepiece Up to 100 mg/m3: (APF = 1000) Any supplied-air respirator 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 with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./Any appropriate escape-type, self-contained breathing apparatus |
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Exposure Routes inhalation | |
Symptoms Possible respiratory sensitization | |
Target Organs
respiratory system |
See also: INTRODUCTION See ICSC CARD: 1247 |