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Merck
CN

271012

Sigma-Aldrich

N,N-二甲基乙酰胺

anhydrous, 99.8%

别名:

DMAc

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About This Item

线性分子式:
CH3CON(CH3)2
CAS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

等级

anhydrous

质量水平

蒸汽密度

3 (vs air)

蒸汽压

2 mmHg ( 25 °C)
4 mmHg ( 38 °C)

检测方案

99.8%

形式

liquid

自燃温度

914 °F

expl. lim.

1.8 %, 100 °F
11.5 %, 160 °F

杂质

<0.005% water

蒸发残留物

<0.001%

折射率

n20/D 1.437 (lit.)

pH值(酸碱度)

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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应用

N,N-二甲基乙酰胺可用作下列过程的溶剂:
  • 乙酸钯-正丁基二(1-金刚烷基)膦催化2-异丁基噻唑与氯苯的芳基化反应,形成5-苯基-2-异丁基噻唑。
  • 合成β-、γ-和δ-金属酯中间体,其可与酰氯化合物反应生成γ-、δ-和ε-酮酯。
  • 合成(R)-(-)-甲基-1,1′-联萘-2,2′-二基磷酸酯,其可用作制备(R)-(+)-1,1′-联萘-2,2′-二醇的前体。

其他说明

货号271012-4X2L的产品即将停产。请订购271012-2L单瓶装,因为其物理参数与上述产品本质相同。

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说明
价格

象形图

Health hazardExclamation mark

警示用语:

Danger

危险分类

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

WGK

WGK 2

闪点(°F)

147.2 °F

闪点(°C)

64 °C

个人防护装备

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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商品

Preformed catalysts in the kit are stable but become air-sensitive when activated; Schlenk technique aids scale-up.

Preformed catalysts in the kit are stable but become air-sensitive when activated; Schlenk technique aids scale-up.

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