Dust entry

P Plaster of Paris CaSO4•0.5H2O 26499-65-0 TP0700000 N.D.

White or yellowish, finely divided, odorless powder. Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 145.2 (see Table 2): (see Tables 3 and 4): BP: ? Skin: N.R. Not available. Sol(77°F): 0.3% Eyes: N.R. Fl.P: NA Wash skin: N.R. IP: NA Remove: N.R. Sp.Gr: 2.5 Change: N.R. VP: 0 mmHg (approx) MLT: 325°F (Loses H2O)

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

Irrit eyes, skin, muc memb, resp sys; cough Breath: Resp supportTarget organs: Eyes, skin, resp sys Swallow: Medical attention immed

Evidence

NIOSH Pocket Guide entry: P Plaster of Paris CaSO4•0.5H2O 26499-65-0 TP0700000 N.D.. Physical description: White or yellowish, finely divided, odorless powder. Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 145.2 (see Table 2): (see Tables 3 and 4): BP: ? Skin: N.R. Not available. Sol(77°F): 0.3% Eyes: N.R. Fl.P: NA Wash skin: N.R. IP: NA Remove: N.R. Sp.Gr: 2.5 Change: N.R. VP: 0 mmHg (approx) MLT: 325°F (Loses H2O)

Source: CDC/NIOSH: NIOSH Pocket Guide to Chemical Hazards ↗

Controls

follow the applicable NIOSH REL and OSHA PEL
use exposure monitoring
use engineering and work-practice controls
use appropriate respiratory protection