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| CAS号 : | 121-92-6 |
精确质量 : | 167.02200 |
| 分子式 : | C7H5NO4 |
logP : | 1.81620 |
| 分子量 : | 167.11900 |
PSA : | 83.12000 |
间硝基苯甲酸 | |
3-Nitrobenzoic acid | |
121-92-6 | |
C7H5NO4 | |
167.11900 | |
83.12000 | |
1.81620 | |
167.02200 |
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淡黄色晶体
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190 °C
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340.7ºC at 760 mmHg
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139-141 °C(lit.)
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1,494 g/cm3
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3.26E-05mmHg at 25°C
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Stable. Combustible. Incompatible with strong oxidizing agents.
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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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DH5000000
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3
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S26-S24/25
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2916399090
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Xn
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R33
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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: |
工业上用苯甲酸为原料,在硫酸存在下用硝酸钠硝化,收率可达60%。若将苯甲酰用甲醇在硫酸存在下酯化成苯甲酸甲酯,再用混酸硝化,然后水解,用这种方法生产稍麻烦,但收率可接近70%。也可用混酸直接硝化而得。收率在60%左右。 | |
主要用作感光材料及医药中间体。 |
