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| CAS号 : | 107-16-4 |
精确质量 : | 57.02150 |
| 分子式 : | C2H3NO |
logP : | -0.49772 |
| 分子量 : | 57.05130 |
PSA : | 44.02000 |
氰基甲醇 甲醛氰醇 | |
Glycolonitrile | |
107-16-4 | |
C2H3NO | |
57.05130 | |
44.02000 | |
-0.49772 | |
57.02150 |
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n20/D 1.389
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透明至淡黄色液体
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133 °F
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183°C
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-72°C
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>=10 g/100 mL at 20 ºC
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1.076 g/mL at 20 °C
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0.0593mmHg at 25°C
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Stable, but may react violently with alkalies. Incompatible with strong oxidizing agents.
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Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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AM0350000
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6.1(a)
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-
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S36/37/39-S45
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I
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UN 3276 6.1/PG 1
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T+
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R26/27/28
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2926909090
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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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暂时无法加载合成路线，请稍后刷新重试 |
<p>1.由甲醛与氰化钾反应而得。将37%甲醛水溶液慢慢滴加至氰化钾水溶液中,控制温度不超过10℃。放置10min后,仍在10℃以下搅拌,加入稀硫酸至pH为1.9。然后滴加5%氢氧化钾溶液至pH约为3.0,再加入乙醚,过滤出生成的硫酸钾。滤液用乙醚提取。经干燥后,蒸去乙醚,剩余物进行减压蒸馏,收集100℃(1.33kPa)左右馏分即得成品。<br>2.由甲醛与氢氰酸在催化剂存在下进行反应制得。此外,羟乙腈还可由乙醇与氨经气相催化制得。</p> | |
<p>有机合成原料。可作为生产甘氨酸、丙二腈、靛蓝染料的中间体。</p> |
