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| CAS号 : | 7755-92-2 |
精确质量 : | 114.07900 |
| 分子式 : | C5H10N2O |
logP : | -0.04940 |
| 分子量 : | 114.14600 |
PSA : | 32.34000 |
1-甲醛哌嗪 | |
1-Piperazinecarbaldehyde | |
7755-92-2 | |
C5H10N2O | |
114.14600 | |
32.34000 | |
-0.04940 | |
114.07900 |
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n20/D 1.512
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白色结晶粉末
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215 °F
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264-266 °C
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88-91
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1.107 g/mL at 25 °C(lit.)
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Stable at room temperature in closed containers under normal storage and handling conditions.
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2-8ºC
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GHS05, GHS07 | |
危险 | |
H302; H315; H318; H335 | |
P261; P280; P305 + P351 + P338 | |
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2
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S26-S36
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Xn
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R22; R37/38; R41
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2933599090
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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>由六哌嗪，甲酸甲酯搅拌溶解，加热至80℃回流5h。继续升温蒸水，减压蒸馏，收集140-170℃（1.33kPa）馏分，得甲酰基哌嗪。收率78%。</p> | |
<p>用于有机合成。甲酰基哌嗪与肉桂基氯缩合，再经水解可得1-肉桂基哌嗪</p> |
