Basic information
CAS NO
58-55-9
EINECS
200-385-7
Molecular Formula
C7H10N4O2
Molecular Weight
182.1799
English Name
Theophylline
Synonyms
Theophylline anhydrous, 1,3-dimethyl-3,4,5,7-tetrahydro-1H-purine-2,6-dione, dimethylxanthine, ANHYDROUS THEOPHYLLINE
Physical and Chemical Properties
Density
1.62g/cm3
Refractive index
1.737
Melting point
270-274℃
Boiling point
390.1°C at 760 mmHg
Flash point
189.7°C
Water Solubility
8.3 g/L (20℃)
Vapour Pressure
2.72E-06mmHg at 25°C
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