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328634

Sigma-Aldrich

1-甲基-2-吡咯烷酮

anhydrous, 99.5%

同義詞:

N-甲基-2-吡咯烷酮, N-甲基吡咯烷酮, NMP

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About This Item

經驗公式(希爾表示法):
C5H9NO
CAS號碼:
分子量::
99.13
Beilstein:
106420
EC號碼:
MDL號碼:
分類程式碼代碼:
12352005
PubChem物質ID:
NACRES:
NA.21

等級

anhydrous

品質等級

蒸汽密度

3.4 (vs air)

蒸汽壓力

0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)

化驗

99.5%

形狀

liquid

自燃溫度

518 °F

expl. lim.

9.5 %

雜質

<0.005% water

折射率

n20/D 1.47 (lit.)

pH值

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 字串

CN1CCCC1=O

InChI

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

InChI 密鑰

SECXISVLQFMRJM-UHFFFAOYSA-N

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應用

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。

其他說明

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

法律資訊

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

象形圖

Exclamation markHealth hazard

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system

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 1

閃點(°F)

195.8 °F - Pensky-Martens closed cup

閃點(°C)

91 °C - Pensky-Martens closed cup

個人防護裝備

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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