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| CAS号 : | 81-86-7 |
精确质量 : | 275.94200 |
| 分子式 : | C12H5BrO3 |
logP : | 2.91290 |
| 分子量 : | 277.07000 |
PSA : | 43.37000 |
4-溴-1,8-萘二甲酸酐 | |
4-Bromo-1,8-naphthalic Anhydride | |
81-86-7 | |
C12H5BrO3 | |
277.07000 | |
43.37000 | |
2.91290 | |
275.94200 |
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1.733
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236.3ºC
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467.2ºC at 760 mmHg
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217-219 °C(lit.)
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1.812g/cm3
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6.66E-09mmHg at 25°C
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白色或黄色固体
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极易溶于丙酮,难溶于甲醇或乙醇
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3
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S26-S37/39
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Xi
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R36/37/38
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2932999099
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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% |
染料中间体。主要用于制备荧光黄、荧光橙等染料。也是荧光增白剂的重要中间体。 |