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| CAS号 : | 99-34-3 |
精确质量 : | 212.00700 |
| 分子式 : | C7H4N2O6 |
logP : | 2.24760 |
| 分子量 : | 212.11600 |
PSA : | 128.94000 |
3,5-二硝基苯甲酸 | |
3,5-Dinitrobenzoic acid | |
99-34-3 | |
C7H4N2O6 | |
212.11600 | |
128.94000 | |
2.24760 | |
212.00700 |
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黄色固体
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179.2ºC
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395.5ºC at 760mmHg
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204-206 °C(lit.)
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1350 mg/L (25 ºC)
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1.683
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Stable. Contact with strong bases may lead to fire. Incompatible with strong bases, strong oxidizing agents.
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Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
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DG9140700
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4.1
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3
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S26-S36/37/39-S16
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III
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UN1325
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2916399090
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F; Xn
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R11; R22; R36/37/38; R68
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
由苯甲酸硝化而得。将硫酸加入干燥的反应锅,搅拌下投入苯甲酸。加热至60℃,滴加发烟硝酸,在85℃以下滴加完毕。于80-85℃反应1h,100℃反应0.5-1h,再升温至135℃反应2h。放置过夜。将反应液放入冰水中析出结晶,甩滤,然后先用水洗,再用50%乙醇洗,得3,5-二硝基苯甲酸。收率70%。 | |
用作有机合成中间体,用于生产诊断用药泛影酸。该品也可用作分析试剂。 |