2H,6H-Benzo[1,2-b:5,4-b']dipyran-2-one,7,8-dihydro-7-hydroxy-8,8-dimethyl-, (7S)-
- 中文别名:日本前胡醇
- 中文释义:日本前胡醇
- 英文别名:decursinol;
Smyrinol;
(S)-(+)-decursinol;
(3S)-3-hydroxy-2,2-dimethyl-3,4-dihydropyrano[3,2-g]chromen-8-one;
Smirino;
(+)-Decursinol;
Decursinol [INCI]
- CAS No.:23458-02-8
- 分子式:C14H14O4
- 分子量:0
- 精确分子量:246.08900
- PSA:59.67000
- InChI:The Key: BGXFQDFSVDZUIW-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.293g/cm3
- 沸点:
- 433.6ºC at 760mmHg
- 闪点:
- 167.9ºC
- 折射率:
- 1.592
- 蒸汽压:
- 2.74E-08mmHg at 25°C
安全信息
- 密度:
- 1.293g/cm3
- 沸点:
- 433.6ºC at 760mmHg
- 闪点:
- 167.9ºC
- 折射率:
- 1.592
- 蒸汽压:
- 2.74E-08mmHg at 25°C
海关数据
中国海关编码:2932999099
- 概述:
- 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%
- 申报要素:
- 品名, 成分含量, 用途
- 摘要/Summary:
- 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%