Dust entry

Magnesite MgCO3 546-93-0 OM2470000 N.D.

White, odorless, crystalline powder. Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 84.3 (see Table 2): (see Tables 3 and 4): BP: Decomposes Skin: N.R. Not available. Sol: 0.01% Eyes: N.R. Fl.P: NA Wash skin: N.R. IP: NA Remove: N.R. Sp.Gr: 2.96 Change: N.R. VP: 0 mmHg (approx) MLT: 662°F (Decomposes) UEL: NA LE

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, resp sys; cough Breath: Fresh airTarget organs: Eyes, skin, resp sys

Evidence

NIOSH Pocket Guide entry: Magnesite MgCO3 546-93-0 OM2470000 N.D.. Physical description: White, odorless, crystalline powder. Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 84.3 (see Table 2): (see Tables 3 and 4): BP: Decomposes Skin: N.R. Not available. Sol: 0.01% Eyes: N.R. Fl.P: NA Wash skin: N.R. IP: NA Remove: N.R. Sp.Gr: 2.96 Change: N.R. VP: 0 mmHg (approx) MLT: 662°F (Decomposes) UEL: NA LE

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