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| CAS号 : | 90-20-0 |
精确质量 : | 318.98200 |
| 分子式 : | C10H9NO7S2 |
logP : | 3.36380 |
| 分子量 : | 319.31100 |
PSA : | 171.75000 |
4-氨基-5-羟基-2,7-萘二磺酸 | |
1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid | |
90-20-0 | |
C10H9NO7S2 | |
319.31100 | |
171.75000 | |
3.36380 | |
318.98200 |
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白色至灰色-黄色粉末
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>300 °C(lit.)
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1.88 g/cm3
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3
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S26; S36
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Xi
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R36/37/38
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2922299090
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 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% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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<p>是制造偶氮染料的重要中间体。</p> |