5,2'-Dihydroxyflavone
- 中文别名:5,2-二羟基黄酮
- 中文释义:5,2-二羟基黄酮
- 英文别名:5,2'-Dihydroxyflavone;
2',5-Dihydroxyflavon
- CAS No.:6674-39-1
- 分子式:C15H10O4
- 分子量:254.23700
- 精确分子量:254.05800
- PSA:70.67000
- InChI:The Key: QAGGRDVXPIXVDQ-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.443g/cm3
- 熔点:
- 268-269ºC
- 沸点:
- 469.2ºC at 760 mmHg
- 闪点:
- 182.9ºC
- 折射率:
- 1.698
安全信息
- 密度:
- 1.443g/cm3
- 熔点:
- 268-269ºC
- 沸点:
- 469.2ºC at 760 mmHg
- 闪点:
- 182.9ºC
- 折射率:
- 1.698
海关数据
中国海关编码:2914501900
- 概述:
- 2914501900 其他酮酚。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:
- 2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%
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