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Merck
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文件

D137510

Sigma-Aldrich

N,N-二甲基乙酰胺

ReagentPlus®, 99%

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About This Item

线性分子式:
CH3CON(CH3)2
CAS号:
127-19-5
分子量:
87.12
Beilstein:
1737614
EC號碼:
204-826-4
MDL號碼:
MFCD00008686
分類程式碼代碼:
12352111
PubChem物質ID:
329798690
NACRES:
NA.21

蒸汽密度

3 (vs air)

品質等級

100

蒸汽壓力

2 mmHg ( 25 °C)
4 mmHg ( 38 °C)

產品線

ReagentPlus®

化驗

99%

形狀

liquid

自燃溫度

914 °F

expl. lim.

1.8 %, 100 °F
11.5 %, 160 °F

折射率

n20/D 1.437 (lit.)

pH值

4 (20 °C, 200 g/L)

bp

164.5-166 °C (lit.)

mp

−20 °C (lit.)

密度

0.937 g/mL at 25 °C (lit.)

SMILES 字串

CN(C)C(C)=O

InChI

1S/C4H9NO/c1-4(6)5(2)3/h1-3H3

InChI 密鑰

FXHOOIRPVKKKFG-UHFFFAOYSA-N

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相关类别

一般說明

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。

應用

N,N-二甲基乙酰胺可作为溶剂，用于合成：
  • 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。

特點和優勢

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。

法律資訊

Belle Chemical公司
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

象形圖

Exclamation markHealth hazard
GHS07,GHS08

訊號詞

Danger

危險分類

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Repr. 1B

儲存類別代碼

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類（WGK）

WGK 2

閃點（°F）

147.2 °F - closed cup

閃點（°C）

64 °C - closed cup

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