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;
??? ?????????	R22:;
???? ?????

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