- 中文名称:
-
- 中文别名:
-
- 英文名称:
- 5-hydroxy-3,4,7-trimethylchromen-2-one
- 英文别名:
- 5-hydroxy-3,4,7-trimethylchromen-2-one;
5-Hydroxy-3,4,7-trimethyl-cumarin;
5-hydroxy-3,4,7-trimethylcoumarin;
3,4,7-Trimethyl-5-hydroxy-cumarin
- CAS No.:
- 107057-96-5
- 分 子 式:
-
C12H12O3
- 分 子 量:
- 204.22200
- 精确分子量:
- 204.07900
- PSA:
- 50.44000
- InChI:
- The Key: HMTPJAGDJGBKEB-UHFFFAOYSA-N3
- 分子结构式:
-
- SDS:
- 查看
物化性质
- 密度:
- 1.217g/cm3
- 沸点:
- 374.8ºC at 760 mmHg
- 闪点:
- 165.2ºC
- 折射率:
- 1.58
- 蒸汽压:
- 3.77E-06mmHg at 25°C
海关数据
中国海关编码:2932209090
- 概述:
- 2932209090. 其他内酯. 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:
- 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%