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Acetylsalicyclic acid |
CAS 50-78-2 |
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CH3COOC6H4COOH |
RTECS VO0700000 |
Synonyms & Trade Names
o-Acetoxybenzoic acid, 2-Acetoxybenzoic acid, Aspirin |
DOT ID & Guide
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Exposure
Limits |
NIOSH REL: TWA 5 mg/m3 |
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OSHA PEL†: none |
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IDLH N.D. |
Conversion |
Physical Description
Odorless, colorless to white, crystal-line powder. [aspirin] [Note:
Develops the vinegar-like odor of acetic acid on contact with moisture.]
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MW: 180.2
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BP: 284°F (Decomposes)
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MLT: 275°F
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Sol(77°F): 0.3%
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VP: 0 mmHg (approx)
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IP: NA
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Sp.Gr: 1.35
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Fl.P: NA
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UEL: NA
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LEL: NA
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MEC: 40 g/m3
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Combustible Powder; explosion hazard if
dispersed in air. |
Incompatibilities & Reactivities
Solutions of alkali hydroxides or carbonates, strong oxidizers, moisture
[Note: Slowly hydrolyzes in moist air to salicyclic & acetic acids.]
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Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: No recommendation
Change: Daily
Provide: Eyewash, Quick drench
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First Aid
Eye: Irrigate immediately
Skin: Soap wash
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations To be added
later |
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Exposure Routes inhalation, ingestion,
skin and/or eye contact |
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Symptoms Irritation eyes, skin, upper
respiratory system; increased blood clotting time; nausea, vomiting; liver,
kidney injury |
Target Organs
Cancer Site Eyes, skin, respiratory system, blood, liver, kidneys
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