D137510
N,N-二甲基乙酰胺
ReagentPlus®, 99%
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关于此项目
线性分子式:
CH3CON(CH3)2
化学文摘社编号:
分子量:
87.12
Beilstein:
1737614
EC 号:
MDL编号:
UNSPSC代码:
12352111
PubChem化学物质编号:
NACRES:
NA.21
蒸汽密度
3 (vs air)
质量水平
蒸汽压
2 mmHg ( 25 °C)
4 mmHg ( 38 °C)
产品线
ReagentPlus®
方案
99%
表单
liquid
自燃温度
914 °F
expl. lim.
1.8 %, 100 °F
11.5 %, 160 °F
dilution
(for general lab use)
折射率
n20/D 1.437 (lit.)
pH值（酸碱度）
4 (20 °C, 200 g/L)
沸点
164.5-166 °C (lit.)
mp
−20 °C (lit.)
密度
0.937 g/mL at 25 °C (lit.)
SMILES字符串
CN(C)C(C)=O
InChI
1S/C4H9NO/c1-4(6)5(2)3/h1-3H3
InChI key
FXHOOIRPVKKKFG-UHFFFAOYSA-N
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一般描述
N,N-二甲基乙酰胺（DMAc）是一种与水混溶的有机溶剂，用于合成苯乙烯、乙烯基树脂、线型聚酯、丙烯酸纤维、塑料、农药和合成革。此外，它还用于粘合剂、薄膜和油漆的生产。它参与过渡金属的脱氢、脱水、卤化、去质子反应和还原羰基化反应。它还可以作为催化剂、促进剂、卤素/烷氧基或羟基/卤素交换介质、还原剂和碱源。
应用
N,N-二甲基乙酰胺可作为溶剂，用于合成：
它还可用于：
- 在 LiCl 环境下下，用微晶纤维素、CaCl2 和 NaH2PO4 合成纤维素-HA（羟磷灰石）。
- 在 LiCl 环境下从各种碳水化合物和天然生物聚合物木质纤维素合成 5-羟甲基糠醛（HMF）。
它还可用于：
- 在 Pd 催化下利用分子氧从烯烃中区域选择性合成酮。
- 作为溶剂和亚甲基源，使用 Cu(OAc)2 催化剂，用于两个咪唑[1,2-a]吡啶的区域选择性链接。
特点和优势
N,N-二甲基乙酰胺
- 对各种底物有很高的溶解能力。
- 高容量的溶剂化阴离子。
法律信息
Belle Chemical公司
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
警示用语：
Danger
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Repr. 1B
储存分类代码
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 2
闪点(°F)
147.2 °F - closed cup
闪点(°C)
64 °C - closed cup
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