644-06-4 Precocene II
| ?? ????? |
Precocene II |
| ?? ????? |
Precocene II; 6,7-Dimethoxy-2,2-dimethyl-3-chromene; 6,7-dimethoxy-2,2-dimethyl-2H-chromene |
| ????????? ??????? |
C13H16O3 |
| ???? ???????? |
220.2643 |
| InChI |
InChI=1/C13H16O3/c1-13(2)6-5-9-7-11(14-3)12(15-4)8-10(9)16-13/h5-8H,1-4H3 |
| ???? CAS |
644-06-4 |
| EINECS |
211-408-5 |
| ???? ???????? |
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| ?????? |
1.063g/cm3 |
| ????? ????? |
44-47℃ |
| ????? ????? |
300.4°C at 760 mmHg |
| ???? ????? |
1.513 |
| ????? ???? |
100°C |
| ??? ???? |
0.00201mmHg at 25°C |
| ?????? ????? |
S24/25:Avoid contact with skin and eyes.;
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