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| CAS号 : | 55-22-1 |
精确质量 : | 123.03200 |
| 分子式 : | C6H5NO2 |
logP : | 0.77980 |
| 分子量 : | 123.10900 |
PSA : | 50.19000 |
异烟酸 | |
isonicotinic acid | |
55-22-1 | |
C6H5NO2 | |
123.10900 | |
50.19000 | |
0.77980 | |
123.03200 |
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白色至灰白色结晶固体
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260°C/15mm
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260 °C (15 mmHg)
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≥300 °C(lit.)
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5.2 g/L (20 ºC)
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1.293g/cm3
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Stable under normal temperatures and pressures.
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Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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NS1103000
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2
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S26-S36
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2933399090
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Xi
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R36/37/38
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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>用4-甲基吡啶为原料,以五氧化二钒为催化剂进行连续氧化而制得。工业品异烟酸的纯度为95%以上,上述方法的收率为70-75%。每吨产品消耗4-甲基吡啶1070kg。</p> | |
<p>该品为医药中间体。主要用于制取异烟肼。</p> |
