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| CAS号 : | 84-87-7 |
精确质量 : | 224.01400 |
| 分子式 : | C10H8O4S |
logP : | 2.87290 |
| 分子量 : | 224.23300 |
PSA : | 82.98000 |
1-萘酚-4-磺酸 | |
1-Naphthol-4-sulfonic acid | |
84-87-7 | |
C10H8O4S | |
224.23300 | |
82.98000 | |
2.87290 | |
224.01400 |
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1.703
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427ºC
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170℃
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1.55 g/cm3
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8
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S26; S36/37/39
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II
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3261
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Xi; C
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R34
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2908999090
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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% |
<p>1-萘胺-4-磺酸盐与亚硫酸氢钠在盐酸存在下发生1,4-加成,加成物在碱性中水解得1-萘酚-4-磺酸二钠盐,最后用酸化得1-萘酚-4-磺酸。</p> | |
<p>该品为偶氮染料中间体,用于制造直接铜盐蓝BR、直接酮盐蓝2R、酸性红B、酸性媒介枣红B等染料。</p> |
