4H-1-Benzopyran-4-one,7-hydroxy-5-methyl-2-phenyl-
- 中文别名:7-羟基-5-甲基黄酮
- 中文释义:7-羟基-5-甲基黄酮
- 英文别名:7-hydroxy-5-methyl-2-phenylchromen-4-one;
7-Hydroxy-5-methyl-flavon;
5-Methyl-7-hydroxy-flavon;
Flavone,7-hydroxy-5-methyl;
5-methyl-7-hydroxyflavone;
7-hydoxy-5-methylflavone;
7-Hydroxy-5-methyl-2-phenyl-chromen-4-on;
7-Hydroxy-5-methylflavone;
7-hydroxy-5-methyl-2-phenyl-chromen-4-one
- CAS No.:15235-99-1
- 分子式:C16H12O3
- 分子量:252.26
- 精确分子量:252.07900
- PSA:50.44000
- InChI:The Key: QGHXBJKZPBTQQL-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.3g/cm3
- 沸点:
- 474.6ºC at 760 mmHg
- 闪点:
- 182.9ºC
- 折射率:
- 1.651
- 蒸汽压:
- 1.25E-09mmHg at 25°C
安全信息
- 密度:
- 1.3g/cm3
- 沸点:
- 474.6ºC at 760 mmHg
- 闪点:
- 182.9ºC
- 折射率:
- 1.651
- 蒸汽压:
- 1.25E-09mmHg at 25°C
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%