Acetylsalicylic acid (Aspirin)

CAS Number


Last Revised


TWA Limit

5 mg/m3



Ceiling Limit


Notes & Notations
Basis of B.C. Exposure Limit
Minimize the potential for:
  • Anaphylaxis
  • Increased clotting time
  • Interference with platelet aggregation
  • Skin, eye and gastrointestinal irritation
  • Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.

2-(Acetyloxy)benzoic acid

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Ensure no workers are exposed to a substance that exceeds the exposure limits in accordance with OHSR 5.48.