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| CAS号 : | 54-85-3 |
精确质量 : | 137.05900 |
| 分子式 : | C6H7N3O |
logP : | 0.77630 |
| 分子量 : | 137.13900 |
PSA : | 68.01000 |
异烟肼 | |
Isoniazide | |
54-85-3 | |
C6H7N3O | |
137.13900 | |
68.01000 | |
0.77630 | |
137.05900 |
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1.5502 (18ºC)
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白色结晶粉末
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>250°C
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171-173 °C(lit.)
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14 g/100 mL (25 ºC)
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1.244g/cm3
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Stability Stable, but may be air or light sensitive. Combustible. Incompatible with strong oxidizing agents, chloral, aldehydes, iodine, ferric salts, hypochlorites.
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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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GHS07 | |
警告 | |
H302; H315 | |
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NS1751850
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29333999
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3
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S37-S36/37/39-S26
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III
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2811
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Xn
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R22; R36/37/38; R40
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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>由异烟酸与水合肼缩合而得。将异烟酸溶解于水合肼中,加入上批粗制母液,减压蒸馏至79-82℃(13.3-14.7kPa)为止。升温至129-130℃,反应3h。加入反应液一半量的母液稀释,加活性炭脱色,过滤。滤液冷却结晶,在10℃左右过滤,滤饼用粗制母液洗涤,得异烟肼粗品。然后经重结晶、活性炭脱色、过滤,干燥得成品。收率90%。</p> | |
<p>对结核杆菌有良好的抗菌作用,疗效较好,用量较小,要用于各型肺结核的进展期、溶解播散期、吸收好转期,尚可用于结核性脑膜炎和其他肺外结核等。本品常需和其他抗结核病药联合应用,以增强疗效和克服耐药菌。此外对痢疾、百日咳、麦粒肿等也有一定疗效。</p> |