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| CAS号 : | 5203-77-0 |
精确质量 : | 112.06400 |
| 分子式 : | C5H8N2O |
logP : | 0.43410 |
| 分子量 : | 112.13000 |
PSA : | 38.05000 |
1,3-二甲基-5-羟基吡唑 | |
1,3-Dimethyl-1H-pyrazol-5-ol | |
5203-77-0 | |
C5H8N2O | |
112.13000 | |
38.05000 | |
0.43410 | |
112.06400 |
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白色至淡黄色晶体粉末
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1.554
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90.425ºC
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113-117ºC
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1.178 g/cm3
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225.905ºC at 760 mmHg
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2933199090
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品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期 |
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2933199090. 其他结构上有非稠合吡唑环化合物. 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% |
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2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2933199090. Other Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. General tariff:6.5% |
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2933199090. Other Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. General tariff: |
其制备方法是将198.0g(4.0mol)含量为93%的甲肼滴入到含有100mL乙醇和530.0g(4.0mol)含量为98%的乙酰乙酸乙酯的混合液中,回流反应1h,脱乙醇、干燥后得产品440.0g,粗收率98.2%。 | |
是合成杀螨剂唑螨酯的中间体。 |