3,4-二溴-2,5-二氯噻吩

3,4-二溴-2,5-二氯噻吩

3,4-Dibromo-2,5-dichlorothiophene

40477-45-0

C4Br2Cl2S

310.82200

28.24000

4.57990

307.74600

1.658

125.6ºC

Room temperature.

75-77ºC

2.299g/cm3

284.1ºC at 760 mmHg

2934999090

R20/21/22

S22-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: