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Periodic Table/Compounds/Acetaminophen

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

Acetaminophen

C₈H₉NO₂·151.165 g/mol·Pharmaceutical·CID 1983
DrugAnalgesic

Paracetamol (Tylenol) — a widely used analgesic and antipyretic. Unlike NSAIDs, it has minimal anti-inflammatory activity. Overdose causes fatal liver damage through toxic metabolite NAPQI accumulation.

2D structure of Acetaminophen

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

GHS Hazard Classification

Danger
Irritant
Irritant
Environmental Hazard
Environmental Hazard
Health Hazard
Health Hazard
Hazards
  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H412Harmful to aquatic life with long lasting effects
  • H401Toxic to aquatic life
  • H411Toxic to aquatic life with long lasting effects
  • H341Suspected of causing genetic defects
  • H370Causes damage to organs
  • H371May cause damage to organs
  • H372Causes damage to organs through prolonged or repeated exposure

Source: PubChem GHS Classification. Always consult the SDS for handling.

Constituent Elements

C
CarbonZ=6
H
HydrogenZ=1
N
NitrogenZ=7
O
OxygenZ=8

External Resources

PubChem ↗Wikipedia ↗