NIOSH Pocket Guide entry: Benzidine. Physical description: Grayish-yellow, reddish-gray, or white crystalline powder. [Note: Darkens on exposure to air and light.]
Source: CDC/NIOSH: NIOSH Pocket Guide to Chemical Hazards ↗Dust entry
Benzidine
Grayish-yellow, reddish-gray, or white crystalline powder. [Note: Darkens on exposure to air and light.]
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
Hema; secondary anemia from hemolysis; acute cystitis; acute Skin: Soap wash immedTarget organs: Bladder, skin, kidneys, liver, blood [liver, kidney & bladder cancer] Swallow: Medical attention immed
Evidence
Controls
- follow the applicable NIOSH REL and OSHA PEL
- use exposure monitoring
- use engineering and work-practice controls
- use appropriate respiratory protection