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| CAS号 : | 1822-66-8 |
精确质量 : | 260.03500 |
| 分子式 : | C10H12O6S |
logP : | 1.51270 |
| 分子量 : | 260.26400 |
PSA : | 121.30000 |
3,4-二羟基噻吩-2,5-二羧酸二乙酯 | |
diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate | |
1822-66-8 | |
C10H12O6S | |
260.26400 | |
121.30000 | |
1.51270 | |
260.03500 |
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n20/D 1.4589
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161.7ºC
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0mmHg at 25°C
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132-135ºC(lit.)
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1.507 g/cm3
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343.8ºC at 760 mmHg
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2934999090
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R61; R20/21; R36; R36/37/38
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53-45-36-26
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T; Xi
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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: |