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| CAS号 : | 504-17-6 |
精确质量 : | 143.99900 |
| 分子式 : | C4H4N2O2S |
logP : | -0.43500 |
| 分子量 : | 144.15200 |
PSA : | 90.29000 |
4,6-二羟基-2-巯基嘧啶 | |
2-thiobarbituric acid | |
504-17-6 | |
C4H4N2O2S | |
144.15200 | |
90.29000 | |
-0.43500 | |
143.99900 |
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略黄色液体
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1.645
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Stable. Incompatible with strong oxidizing agents.
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234ºC
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Store in a tightly closed container. Keep under a nitrogen blanket. Store in a cool, dry, well-ventilated area away from incompatible substances.
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245 °C (dec.)(lit.)
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1.69 g/cm3
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<6 g/L (20 ºC)
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463.4ºC at 760 mmHg
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29335995
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2
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R36/37/38
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S22-S24/25-S37/39-S26
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CQ7700000
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Xi
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29335995. Other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. General tariff:6.5% |
由丙二酸二乙酯与硫脲反应而得。将硫脲溶于甲醇中,加入甲醇钠及丙二酸二乙酯,加热回流4-5h,然后减压蒸馏回收甲醇至尽,冷却后加入盐酸酸化至pH为1-2。放置过夜,析出硫代巴比妥酸结晶,过滤,用水重结晶即为纯品。 | |
用作电镀添加剂、生化试剂、铑的分析试剂和药物中间体。 |
