58-55-9 Theophylline
| ??? ????? |
Theophylline |
| ??? ??????? |
Theophylline; Theophylline anhydrous; 1,3-dimethyl-3,4,5,7-tetrahydro-1H-purine-2,6-dione; dimethylxanthine; ANHYDROUS THEOPHYLLINE |
| ????? ???????? |
C7H10N4O2 |
| ??? ??????? |
182.1799 |
| InChI |
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) |
| ????? ?????? |
58-55-9 |
| ????? ??????? ??????? |
200-385-7 |
| ?????? ??????? |
|
| ????? |
1.62g/cm3 |
| ???? ??? |
270-274℃ |
| ???? ????? |
390.1°C at 760 mmHg |
| ???? ???? |
1.737 |
| ???? ?????? |
189.7°C |
| ?????? ?? |
8.3 g/L (20℃) |
| ???? ???? |
2.72E-06mmHg at 25°C |
| ??? ?????? |
Xn:Harmful;
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| ????? ??? |
R22:;
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