4-甲酰-1,3-苯二磺酸

4-甲酰-1,3-苯二磺酸

4-formylbenzene-1,3-disulfonic acid

88-39-1

C7H6O7S2

266.24800

142.57000

2.15410

265.95500

白色晶体粉末

1.633

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

105-107°C

1.815 g/cm3

II

2913000090

S26-S36

Xi

品名, 成分含量, 用途

2913000090 品目2912所列产品的其他衍生物〔指卤化,磺化,硝化或亚硝化的衍生物〕. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%

HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%