CaffeineC₈H₁₀N₄O₂

C8H10N4O2 • 194.190 g·mol⁻¹

organiccovalentsolidCAS 58-08-2PubChem 2519 →
C₈H₁₀N₄O₂C8H10N4O2194.1900 g·mol⁻¹
Molar mass194.190 g·mol⁻¹calc 194.194 • Atomic weights: CIAAW 2021 (conventional atomic weights)
FormulaC₈H₁₀N₄O₂C8H10N4O2
Classorganic • covalentsolid
Composition — C₈H₁₀N₄O₂
ElementCountMass (g/mol)Mass %
C896.08849.48%
H1010.0805.19%
N456.02828.85%
O231.99816.48%

Physical properties

State at STP
solid
Density
1.23 g·cm⁻³ (solid at 20 °C, 1 atm)
Melting point
509 K (1 atm (sublimes))
Boiling point

Structure & bonding

Methylated xanthine — fused purine ring with carbonyls. Stimulant.

Occurrence & preparation

Natural product in coffee, tea, cacao. Extracted from plant material.

Uses

  • Stimulant beverage
  • Pharmaceutical

Safety

Excessive intake causes adverse effects; pure powder toxic if ingested.

Consult current SDS. — consult current SDS before handling.

Constituent elements

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