Dust entry

Rhodium dust

Airborne particulate from finely divided rhodium metal or insoluble rhodium compounds.

Airborne form

dust

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

possible respiratory sensitizationcombustible-dust hazard

Evidence

The NIOSH Pocket Guide identifies rhodium as noncombustible in bulk form but flammable as dust or powder, sets a 0.1 mg/m³ time-weighted-average REL and OSHA PEL, and reports possible respiratory sensitization.

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Exposure Limits; Physical Description; Exposure Routes; Symptoms · 1

NIOSH REL TWA 0.1 mg/m³. Metal: Noncombustible Solid in bulk form, but flammable as dust or powder. Exposure Routes inhalation. Symptoms Possible resp sensitization.

Controls

enclose powder handling
local exhaust ventilation
control combustible dust accumulation
exposure monitoring
appropriate respiratory protection