6,8-二羟基-1,2-二甲氧基-9H-氧杂蒽-9-酮

6,8-二羟基-1,2-二甲氧基-9H-氧杂蒽-9-酮

6,8-dihydroxy-1,2-dimethoxyxanthen-9-one

25991-81-5

C15H12O6

288.25200

89.13000

2.37460

288.06300

1.652

210.5ºC

1.58E-12mmHg at 25°C

1.452g/cm3

545.9ºC at 760 mmHg

2932999099

品名, 成分含量, 用途

2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%