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| CAS号 : | 528-45-0 |
精确质量 : | 212.00700 |
| 分子式 : | C7H4N2O6 |
logP : | 2.24760 |
| 分子量 : | 212.11600 |
PSA : | 128.94000 |
3,4-二硝基苯甲酸 | |
3,4-Dinitrobenzoic acid | |
528-45-0 | |
C7H4N2O6 | |
212.11600 | |
128.94000 | |
2.24760 | |
212.00700 |
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1.658
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淡黄色固体
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208.4ºC
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459ºC at 760 mmHg
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163-166 °C
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1.688 g/cm3
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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.
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DG9140650
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S36/37/39-S26-S37/39
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Xi
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R36/37/38
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2916399090
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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>由4-氨基-3-硝基甲苯在硫酸存在下与过硫酸钾反应生成3-硝基-4-亚硝基甲苯。再用重铬酸钾氧化得到3,4-二硝基苯甲酸。用此法制备该品的过程与2,5-二硝基苯甲酸完全相同,可参见该条目。</p> | |
<p>用作糖的定量分析试剂,也用于有机合成。</p> |