Merck
All Photos(3)

328634

Sigma-Aldrich

1-甲基-2-吡咯烷酮

anhydrous, 99.5%

Synonym(s):
N-甲基-2-吡咯烷酮, N-甲基吡咯烷酮, NMP
Empirical Formula (Hill Notation):
C5H9NO
CAS Number:
Molecular Weight:
99.13
Beilstein:
106420
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

等级

anhydrous

质量水平

蒸汽密度

3.4 (vs air)

蒸汽压

0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)

测定

99.5%

形式

liquid

自燃温度

518 °F

expl. lim.

9.5 %

杂质

<0.005% water

折射率

n20/D 1.47 (lit.)

pH值(酸碱度)

7.7-10.0 (20 °C, 100 g/L)

bp

202 °C (lit.)
81-82 °C/10 mmHg (lit.)

mp

−24 °C (lit.)

密度

1.028 g/mL at 25 °C (lit.)

SMILES string

CN1CCCC1=O

InChI

1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3

InChI key

SECXISVLQFMRJM-UHFFFAOYSA-N

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1-甲基-2-吡咯烷酮

grade

anhydrous

grade

anhydrous

grade

-

grade

analytical standard

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor pressure

0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)

vapor pressure

0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)

vapor pressure

0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)

vapor pressure

0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)

assay

99.5%

assay

99.5%

assay

≥99%

assay

≥99.9% (GC)

form

liquid

form

-

form

liquid

form

-

autoignition temp.

518 °F

autoignition temp.

518 °F

autoignition temp.

518 °F

autoignition temp.

518 °F

应用

1-甲基-2-吡咯烷酮还可作为溶剂用于以下过程:
  • 2-芳基和2-烷基苯并噻唑的制备。
  • 芳基卤和酚在2,2,6,6-四甲基庚烷-3,5-二酮的存在下,通过乌尔曼偶联反应形成乌尔曼醚。
  • 在碘化铜作为助催化剂的存在情况下,芳基碘与由Pd/C催化的有机挥发物的Stille交叉偶联反应。

其他说明

Pure-Pac®II容器需要Micromatic MacroValve耦合器用于溶剂的配送,Z560723。

法律信息

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

象形图

Exclamation markHealth hazard

警示用语:

Danger

危险分类

Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

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

WGK

WGK 1

闪点(F)

195.8 °F - Pensky-Martens closed cup

闪点(C)

91 °C - Pensky-Martens closed cup

个人防护装备

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

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