噻吩-2,3-二羧酸

噻吩-2,3-二羧酸

Thiophene-2,3-Dicarboxylic Acid

71189-23-6

C6H4O4S

172.15900

102.84000

1.14450

171.98300

1.666

85ºC

0.206mmHg at 25°C

1.41

216ºC

2934100090

品名, 成分含量, 用途

2934100090. 结构上含有一个非稠合噻唑环的化合物(不论是否氢化). 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

2934100090. Other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure