4H-1-Benzopyran-4-one,3-(hydroxymethyl)-2-phenyl-
- 中文别名:3-(羟基甲基)-2-苯基-苯并吡喃-4-酮
- 英文别名:3-(hydroxymethyl)-2-phenylchromen-4-one;
3-Hydroxymethylflavone;
3-Hydroxymethyl-flavon
- CAS No.:29210-21-7
- 分子式:C16H12O3
- 分子量:0
- 精确分子量:252.07900
- PSA:50.44000
- InChI:The Key: DCSFUNSXESBPKG-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.288g/cm3
- 沸点:
- 441.7ºC at 760 mmHg
- 闪点:
- 168.8ºC
- 折射率:
- 1.638
- 蒸汽压:
- 1.4E-08mmHg at 25°C
安全信息
- 密度:
- 1.288g/cm3
- 沸点:
- 441.7ºC at 760 mmHg
- 闪点:
- 168.8ºC
- 折射率:
- 1.638
- 蒸汽压:
- 1.4E-08mmHg 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%