NIOSH Pocket Guide entry: Sodium metabisulfite Na2S2O5 7681-57-4 UX8225000 N.D.. Physical description: White to yellowish crystals or powder with an odor of sulfur dioxide. Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 190.1 (see Table 2): (see Tables 3 and 4): BP: Decomposes Skin: N.R. Not available. Sol: 54% Eyes: N.R. Fl.P: NA Wash skin: N.R. IP: NA Remove: N.R. Sp.Gr: 1.4 Change: N.R. VP: ? MLT: >302°F (Deco
Source: CDC/NIOSH: NIOSH Pocket Guide to Chemical Hazards ↗Dust entry
Sodium metabisulfite Na2S2O5 7681-57-4 UX8225000 N.D.
White to yellowish crystals or powder with an odor of sulfur dioxide. Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 190.1 (see Table 2): (see Tables 3 and 4): BP: Decomposes Skin: N.R. Not available. Sol: 54% Eyes: N.R. Fl.P: NA Wash skin: N.R. IP: NA Remove: N.R. Sp.Gr: 1.4 Change: N.R. VP: ? MLT: >302°F (Deco
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 Breath: Fresh airTarget organs: Eyes, skin, resp sys 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