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| CAS号 : | 4805-22-5 |
精确质量 : | 321.81200 |
| 分子式 : | C8H4Br2S2 |
logP : | 5.00160 |
| 分子量 : | 324.05500 |
PSA : | 56.48000 |
5,5'-二溴-2,2'-联噻吩 | |
5,5'-Dibromo-2,2'-bithiophene | |
4805-22-5 | |
C8H4Br2S2 | |
324.05500 | |
56.48000 | |
5.00160 | |
321.81200 |
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白色至淡黄色有光泽的片
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1.683
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146.5ºC
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144-146 °C(lit.)
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1.951g/cm3
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318.6ºC at 760 mmHg
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2934999090
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3
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R20/21/22
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S36/37
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Xn
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品名, 成分含量, 用途 |
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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% |
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2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |
