大黄酸

大黄酸

Rhein

478-43-3

C15H8O6

284.22000

111.90000

1.57140

284.03200

为咖啡色针晶，升华后为黄色针晶。熔点 321-322℃，水溶性<0.1g/100mL

≥300 °C(lit.)

2-8°C

GHS07

警告

H315; H319; H335

S26; S37/39

2

CA9516000

Xi

R36/37/38

2918990090

HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

品名, 成分含量, 用途

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%

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%