名称
- 中文名: 4-甲基-6-羟基-7-乙酰氧基香豆素
- 英文名:(6-hydroxy-4-methyl-2-oxochromen-7-yl) acetate
- 英文别名:4-METHYL 6-HYDROXY 7-ACETOXY COUMARIN 2H-1-Benzopyran-2-one, 7-(acetyloxy)-6-hydroxy-4-methyl- 6-Hydroxy-4-methyl-2-oxo-2H-chromen-7-yl acetate
物化性质
- 密度:1.4±0.1 g/cm3
- 沸点:432.1±45.0 °C at 760 mmHg
- 分子式:C12H10O5
- 分子量:234.205
- 闪点:171.6±22.2 °C
- 精确质量:234.052826
- PSA:76.74000
- LogP:1.23
- 蒸汽压:0.0±1.1 mmHg at 25°C
- 折射率:1.589
海关信息
- 海关编码:2932209090
- 中文概述: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
- Summary:2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%