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Acetylsalicyclic acid |
CAS 50-78-2 | ||
CH3COOC6H4COOH |
RTECS VO0700000 | ||
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Synonyms & Trade Names o-Acetoxybenzoic acid, 2-Acetoxybenzoic acid, Aspirin |
DOT ID & Guide |
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Exposure
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NIOSH REL: TWA 5 mg/m3 | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion | ||
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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 |
BP: 284°F (Decomposes) |
MLT: 275°F |
Sol(77°F): 0.3% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 1.35 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
MEC: 40 g/m3 |
| Combustible Powder; explosion hazard if dispersed in air. | |||
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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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Measurement Methods NIOSH 0500 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: No recommendation Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, upper respiratory system; increased blood clotting time; nausea, vomiting; liver, kidney injury | |
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Target Organs
Cancer Site Eyes, skin, respiratory system, blood, liver, kidneys |
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| See also: INTRODUCTION See ICSC CARD: 0822 |