2-乙酰基噻吩乙二醇缩醛

2-乙酰基噻吩乙二醇缩醛

ethene,1-thiophen-2-ylethanone

5916-12-1

C8H10O2S

170.22900

46.70000

1.96760

170.04000

1.535

101.2ºC

30-33ºC

1.191g/cm3

78ºC 1mm

III

2934999090

R20/21/22

S36/37

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: