碳酸二甲酯

• 产品号: A13104
• CAS号: 616-38-6
• 分子式: C3H6O3
• 分子量: 90.07794
• 纯 度: 99%

产品别名

• 标题: Dimethyl carbonate
• IUPAC标准名: dimethyl carbonate
• IUPAC传统名: dimethyl carbonate
• 别名: Methyl carbonate; Carbonic acid dimethyl ester

产品登记号

• Beilstein号: 635821
• MDL号: MFCD00008420
• CAS号: 616-38-6
• 默克索引号: 143241
• EC号: 210-478-4

产品性质

• 纯度: 99%
• 沸点: 90°C
• 密度: 1.070
• 闪点: 16°C(61°F)
• 熔点: ca 4°C
• 折射率: 1.3680
• 溶解度: Insoluble in water. Miscible with alcohol, ether
• GHS危险声明: H225
• 欧盟危险性物质标志: 易燃性(Flammable) (F)
• GHS警示性声明: P210-P241-P280-P303+P361+P353-P403+P235-P501A
• 危险公开号: 11
• RTECS编号: FG0450000
• 安全公开号: 9-16
• 保存注意事项: Moisture Sensitive
• TSCA收录: 是
• 联合国危险货物等级: 3
• 联合国危险货物编号: UN1161
• 联合国危险货物包装类别(PG): II

参考文献

• Conversion of a ketone to its methoxycarbonyl derivative has been used to change the preferred site of chlorination to the less-substituted carbon atom: Synthesis, 188 (1987):
  
• Grignard reagents react in THF to give methyl esters, providing a high-yield, one-pot synthesis of carboxylic esters from alkyl or aryl halides: Synth. Commun., 20, 3273 (1990).
• Useful alkylating agent. Although less reactive, dimethyl carbonate has the advantage of much lower toxicity than the more usual sulfate or iodide. In the presence of K₂CO₃ and 18-crown-6, alcohols, phenols, thiols, imidazoles, etc. can be methylated: Synthesis, 382 (1986). For K₂CO₃ promoted alkylation of active methylene compounds at 180-220^o (pressure), see: Rec. Trav. Chim., 115, 256 (1996); Org. Synth., 76, 169 (1998). Other dialkyl carbonates behave similarly.
• For other reactions of dialkyl carbonates, see Diethyl carbonate, A12477.