Merck
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208752

Sigma-Aldrich

正己烷

Laboratory Reagent, ≥95%

Synonym(s):
正己烷
Linear Formula:
CH3(CH2)4CH3
CAS Number:
Molecular Weight:
86.18
Beilstein:
1730733
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

等级

Laboratory Reagent

质量水平

蒸汽密度

~3 (vs air)

蒸汽压

256 mmHg ( 37.7 °C)
5.2 psi ( 37.7 °C)
~132 mmHg ( 20 °C)

检测方案

≥95%

形式

liquid

自燃温度

453 °F

expl. lim.

7.7 %

杂质

≤0.005% aromatics (as benzene)
≤0.015% (water)

蒸发残留物

≤0.0015%

折射率

n20/D 1.375 (lit.)

pH值(酸碱度)

7

bp

69 °C (lit.)

mp

−95 °C (lit.)

密度

0.659 g/mL at 25 °C (lit.)

储存温度

room temp

SMILES string

CCCCCC

InChI

1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3

InChI key

VLKZOEOYAKHREP-UHFFFAOYSA-N

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Related Categories

一般描述

己烷是一种无支链烷烃并以 5 种结构异构形式存在,即己烷、异己烷、3-甲基戊烷、新己烷和 2,3-二甲基丁烷。它可以通过石油蒸馏得到。

应用

己烷可用作:      
  • 作为萃取油、蜡和脂肪的溶剂。     
  • 作为色谱应用中的非极性溶剂,进行产品分离和纯化。

它也用于制备有机锂试剂,因为不易去质子化。

其他说明

货号208752-4X2.5L将停产。请订购物理性质和规格相同的单瓶208752-2.5L。

警示用语:

Danger

危险分类

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

靶器官

Central nervous system, Nervous system

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

-7.6 °F

闪点(C)

-22 °C


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