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| CAS号 : | 5466-84-2 |
精确质量 : | 193.00100 |
| 分子式 : | C8H3NO5 |
logP : | 1.42860 |
| 分子量 : | 193.11300 |
PSA : | 89.19000 |
4-硝基苯酐 | |
4-Nitrophthalic Anhydride | |
5466-84-2 | |
C8H3NO5 | |
193.11300 | |
89.19000 | |
1.42860 | |
193.00100 |
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1.585
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灰白色至淡黄色-棕色粉末
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227.5ºC
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197 °C / 8mmHg
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116-120 °C(lit.)
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1.687 g/cm3
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Hydrolysis
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Stable at room temperature in closed containers under normal storage and handling conditions.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
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GHS07 | |
警告 | |
H315; H319; H335 | |
P261; P305 + P351 + P338 | |
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TI3328000
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3
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S26-S36-S36/37/39-S22
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Xn
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R20/22; 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% |
<p>由4-硝基苯二甲酰亚胺水解生成4-硝基邻苯二甲酸(610-27<br>-5),再经脱水而得。将4-硝基苯二甲酰亚胺加入氢氧化钠溶液,加热沸腾15min。用硝酸调整pH6-8,再加硝酸沸腾5min。冷却,过滤,滤液用乙醚提取,提取液经干燥后蒸去乙醚,即析出4-硝基苯二甲酸酐晶体。收率95%。</p> | |
<p>用作荧光染料异硫氰酸荧光素的中间体,也用于测定醇类。</p> |
