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58-55-9 Theophylline | 
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| Chemical Name | Theophylline | 
| Synonyms | Theophylline anhydrous;1,3-dimethyl-3,4,5,7-tetrahydro-1H-purine-2,6-dione;dimethylxanthine;ANHYDROUS THEOPHYLLINE | 
| Molecular Formula | C7H10N4O2 | 
| Molecular Weight | 182.1799 | 
| InChl | InChI=1/C7H10N4O2/c1-10-5-4(8-3-9-5)6(12)11(2)7(10)13/h3-5H,1-2H3,(H,8,9) | 
| CAS Registry Number | 58-55-9 | 
| EINECS | 200-385-7 | 
| Molecular Structure | ![]()  | 
			    
| Density | 1.62g/cm3 | 
| Melting Point | 270-274℃ | 
| Boiling Point | 390.1°C at 760 mmHg | 
| Refractive Index | 1.737 | 
| Flash Point | 189.7°C | 
| Water Solubility | 8.3 g/L (20℃) | 
| Vapour Pressur | 2.72E-06mmHg at 25°C | 
| Hazard Symbols | |
| Risk Codes | R22:; | 
			    
| MSDS | |