3,3′-双噻吩-5-甲醛

3,3′-双噻吩-5-甲醛

4-thiophen-3-ylthiophene-2-carbaldehyde

137320-59-3

C9H6OS2

194.27300

73.55000

3.28910

193.98600

1.671

124.97ºC

0.003mmHg at 25°C

101-104ºC

1.337g/cm3

283.026ºC at 760 mmHg

GHS07

警告

H302; H315; H319; H335

2934999090

R22

S26

Xn

品名, 成分含量, 用途

2934999090. 其他杂环化合物. 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:20.0%

2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: