4H-1-Benzopyran-4-one,6,7-dihydroxy-2-phenyl-
- 中文别名:6,7-二羟基黄酮
- 中文释义:6,7-二羟基黄酮
- 英文别名:6,7-dihydroxy-2-phenylchromen-4-one;
6,7-dihydroxy-2-phenyl-4H-chromen-4-one;
6,7-Dihydroxy-2-phenyl-chromen-4-on;
6,7-dihydroxyflavone;
4H-1-Benzopyran-4-one,6,7-dihydroxy-2-phenyl;
6,7-dihydroxy-2-phenyl-chromen-4-one
- CAS No.:38183-04-9
- 分子式:C15H10O4
- 分子量:254.2375
- 精确分子量:254.05800
- PSA:70.67000
- InChI:The Key: GSAOUZGPXSGVRS-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.443g/cm3
- 熔点:
- 251-254ºC
- 沸点:
- 521.6ºC at 760mmHg
- 闪点:
- 204.8ºC
- 折射率:
- 1.698
安全信息
- 密度:
- 1.443g/cm3
- 熔点:
- 251-254ºC
- 沸点:
- 521.6ºC at 760mmHg
- 闪点:
- 204.8ºC
- 折射率:
- 1.698
海关数据
中国海关编码:2914400090
- 概述:
- 2914400090 其他酮醇及酮醛。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%
- 申报要素:
- 品名, 成分含量, 用途, 丙酮报明包装
- 摘要/Summary:
- 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%