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Merck
CN

360473

Sigma-Aldrich

2-丁酮

ACS reagent, ≥99.0%

别名:

MEK, 乙基甲基酮, 甲基乙基酮

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About This Item

线性分子式:
C2H5COCH3
CAS号:
分子量:
72.11
Beilstein:
741880
EC 号:
MDL编号:
UNSPSC代码:
12352115
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent

质量水平

蒸汽密度

2.49 (vs air)

蒸汽压

71 mmHg ( 20 °C)

检测方案

≥99.0%

形式

liquid

自燃温度

960 °F

expl. lim.

10.1 %

杂质

≤0.0005 meq/g Titr. acid
≤0.20% water

蒸发残留物

≤0.0025%

颜色

APHA: ≤15

折射率

n20/D 1.379 (lit.)

bp

80 °C (lit.)

mp

−87 °C (lit.)

密度

0.805 g/mL at 25 °C (lit.)

SMILES字符串

CC(CC)=O

InChI

1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3

InChI key

ZWEHNKRNPOVVGH-UHFFFAOYSA-N

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一般描述

2-丁酮是一种有机化合物,在化学工业中可用作氧化反应活化剂、萃取剂、溶剂和化学中间体。它可以通过2-丁醇的催化脱氢来生产。

应用

2-丁酮可作为溶剂用于:
  • 多元醇与二异氰酸酯经聚合反应合成水性聚氨酯。
  • 在铝催化下氧杂环丁烷与二氧化碳化学选择性偶联合成六元环碳酸酯。

特点和优势

  • 低沸点溶剂
  • 溶解能力强
  • 溶解物质与粘度的比率高
  • 与各种碳氢化合物混溶不影响固体′的含量或粘度
  • 由于其密度低,体积/质量合适
  • 蒸发速度快

象形图

FlameExclamation mark

警示用语:

Danger

危险声明

危险分类

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

靶器官

Central nervous system

补充剂危害

WGK

WGK 1

闪点(°F)

closed cup

闪点(°C)

closed cup

法规信息

易制毒化学品(3类)
危险化学品

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