NIOSH Pocket Guide entry: Magnesium oxide fume MgO 1309-48-4 OM3850000 750 mg/m3. Physical description: Finely divided white particulate dispersed in air. OSHA ID121 [Note: Exposure may occur when magnesium is burned, thermally cut, or welded upon.] Chemical & Physical Personal Protection/Sanitation Respirator Recommendations Properties: (see Table 2): (see Tables 3 and 4): MW: 40.3 Skin: N.R. OSHA BP: 6512°F Eyes: N.R. 150 mg/m3: 95XQ/Sa Sol(86°F): 0.009% Was
Source: CDC/NIOSH: NIOSH Pocket Guide to Chemical Hazards ↗Dust entry
Magnesium oxide fume MgO 1309-48-4 OM3850000 750 mg/m3
Finely divided white particulate dispersed in air. OSHA ID121 [Note: Exposure may occur when magnesium is burned, thermally cut, or welded upon.] Chemical & Physical Personal Protection/Sanitation Respirator Recommendations Properties: (see Table 2): (see Tables 3 and 4): MW: 40.3 Skin: N.R. OSHA BP: 6512°F Eyes: N.R. 150 mg/m3: 95XQ/Sa Sol(86°F): 0.009% Was
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, nose; metal fume fever: cough, chest pain, flu-like feverTarget organs: Eyes, resp sys
Evidence
Controls
- follow the applicable NIOSH REL and OSHA PEL
- use exposure monitoring
- use engineering and work-practice controls
- use appropriate respiratory protection