2134-91-0

2134-91-0结构式
2134-91-0结构式

化源商城直购

中文名 5-羧基香草酸
英文名 4-hydroxy-5-methoxybenzene-1,3-dicarboxylic acid
英文别名 4-Hydroxy-5-methoxy-isophthalsaeure
5-Carboxy-vanilinsaeure
4-hydroxy-5-methoxy-isophthalic acid
5-Carboxyvanillic acid
5-Carboxy-vanillinsaeure
5-carboxyvanillate
4-Hydroxy-5-methoxyisophthalate
EINECS 218-366-7
密度 1.549g/cm3
沸点 455.6ºC at 760mmHg
分子式 C9H8O6
分子量 212.15600
闪点 188.2ºC
精确质量 212.03200
PSA 104.06000
LogP 0.79720
蒸汽压 4.29E-09mmHg at 25°C
折射率 1.629
海关编码 2918990090
海关编码 2918990090
中文概述 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 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:30.0%
申报要素 品名, 成分含量, 用途
Summary 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%