NIOSH Pocket Guide entry: Acetylsalicylic acid. Physical description: Odorless, colorless to white, crystal-line powder. [aspirin] [Note: Develops the vinegar-like odor of acetic acid on contact with moisture.] Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 180.2 (see Table 2): (see Tables 3 and 4): BP: 284°F (Decomposes) Skin: Prevent skin contact Not available. Sol(77°F): 0.3% E
Source: CDC/NIOSH: NIOSH Pocket Guide to Chemical Hazards ↗Dust entry
Acetylsalicylic acid
Odorless, colorless to white, crystal-line powder. [aspirin] [Note: Develops the vinegar-like odor of acetic acid on contact with moisture.] Chemical & Physical Properties: Personal Protection/Sanitation Respirator Recommendations MW: 180.2 (see Table 2): (see Tables 3 and 4): BP: 284°F (Decomposes) Skin: Prevent skin contact Not available. Sol(77°F): 0.3% E
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, upper resp sys; incr blood clotting time; nau, Skin: Soap washTarget organs: Eyes, skin, resp sys, blood, liver, kidneys 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