3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde
- 中文别名:红白金花内酯
- 中文释义:红白金花内酯;1-oxo-3,4-dihydroisochromene-5-carbaldehyde
- 英文别名:1-oxo-3,4-dihydroisochromene-5-carbaldehyde;
Erythrocentaurin;
1H-2-Benzopyran-5-carboxaldehyde,3,4-dihydro-1-oxo;
5-Formyl-3,4-dihydroisocoumarin;
1-oxo-isochroman-5-carbaldehyde;
1-Oxo-isochroman-5-carbaldehyd;
Erythrocentaurin,3-Formyl-homophthalsaeure-anhydrid
- CAS No.:50276-98-7
- 分子式:C10H8O3
- 分子量:0
- 精确分子量:176.04700
- PSA:43.37000
- InChI:The Key: TUADBWMDDLWUME-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.3g/cm3
- 熔点:
- 143-146℃
- 沸点:
- 418.1ºC at 760 mmHg
- 闪点:
- 192.8ºC
- 折射率:
- 1.609
安全信息
- 密度:
- 1.3g/cm3
- 熔点:
- 143-146℃
- 沸点:
- 418.1ºC at 760 mmHg
- 闪点:
- 192.8ºC
- 折射率:
- 1.609
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%