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| CAS号 : | 86-93-1 |
精确质量 : | 178.03100 |
| 分子式 : | C7H6N4S |
logP : | 0.95100 |
| 分子量 : | 178.21400 |
PSA : | 82.40000 |
5-疏基-1-苯基-四氮唑 | |
1-Phenyltetrazole-5-thiol | |
86-93-1 | |
C7H6N4S | |
178.21400 | |
82.40000 | |
0.95100 | |
178.03100 |
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1.76
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白色固体
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138°C
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340.2ºC at 760 mmHg
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145 °C (dec.)(lit.)
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1.46g/cm3
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Unstable.
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Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area.
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XF7700000
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4.1
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29339990
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1
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S22-S24/25
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III
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UN 1325 4.1/PG 2
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Xn
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R5; R22
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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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由异硫氰酸苯酯与叠氮化钠反应而得。将150ml水、67.5g异硫氰酸苯酯和9.8g叠氮化钠搅拌混合,回流反应至澄清为止,约需5-6h。经冷却,过滤得1-苯基四氮唑-5-硫醇钠盐(1-Phenyl-1H-tetrazole-5-thiol sodium salt [15052-19-4])将钠盐(滤液)用盐酸酸化至pH值为2,析出白色固体。滤出结晶,用水洗涤,烘干得粗品;用稀乙醇重结晶,得成品,收率在90%以上。 | |
该品为照相防灰剂,也用作试剂及驱虫药的中间体。 |
