肼基甲酸乙酯

• 产品号: A13860
• CAS号: 4114-31-2
• 分子式: C3H8N2O2
• 分子量: 104.10782
• 纯 度: 97%

产品别名

• 标题: Ethyl carbazate
• IUPAC标准名: ethoxycarbohydrazide
• IUPAC传统名: ethoxycarbohydrazide
• 别名: Ethyl hydrazinocarboxylate; Ethoxycarbonylhydrazine

产品登记号

• Beilstein号: 878265
• CAS号: 4114-31-2
• MDL号: MFCD00007595
• EC号: 223-903-3

产品性质

• 纯度: 97%
• 沸点: 85-86°C/7mm
• 闪点: 86°C(186°F)
• 熔点: 44-47°C
• GHS危险声明: H300-H315-H319-H335
• 欧盟危险性物质标志: 有毒(Toxic) (T)
• GHS警示性声明: P280H-P305+P351+P338-P309-P310
• 危险公开号: 25-36/37/38
• RTECS编号: FE2545000
• 安全公开号: 26-36/37-45
• 保存注意事项: Moisture Sensitive
• TSCA收录: 是
• 联合国危险货物等级: 6.1
• 联合国危险货物编号: UN2811
• 联合国危险货物包装类别(PG): III

参考文献

• Forms crystalline ethoxycarbonyl hydrazones with aldehydes and ketones. With o-acylphenols, Pb(OAc)₄ treatment of the resulting hydrazone results in replacement of the phenolic OH with ethoxycarbonyl, providing a route to ethyl o-acylbenzoates: Tetrahedron Lett ., 31, 6781 (1990).
• Reaction with methyl ketones, followed by treatment with SOCl₂, leads to 4-substituted 1,2,3-thiadiazoles: J. Am. Chem. Soc., 77, 5359 (1955). In the presence of base, these readily lose N₂ to give alkynethiolates: Can. J. Chem., 46, 1057 (1968):
  
• More recently, this sequence has been used in the synthesis of dendrimers from 1,3,5-triacetylbenzene: J. Chem. Soc., Perkin 1, 2203 (1994).