Merck
All Photos(1)

32291

Sigma-Aldrich

2,2,4-三甲基戊烷

puriss. p.a., ≥99.5% (GC)

Synonym(s):
异辛烷
Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
Molecular Weight:
114.23
Beilstein:
1696876
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

100

蒸汽密度

3.9 (vs air)

蒸汽压

41 mmHg ( 21 °C)

等级

puriss. p.a.

测定

≥99.5% (GC)

形式

liquid

自燃温度

745 °F

expl. lim.

6 %

杂质

≤0.0005% free acid (as CH3COOH)
≤0.001% non-volatile matter
≤0.005% S-compounds (as S)
≤0.01% water (Karl Fischer)

折射率

n20/D 1.391 (lit.)
n20/D 1.3915-1.3925

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

密度

0.692 g/mL at 25 °C (lit.)

痕量阳离子

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

SMILES string

CC(C)CC(C)(C)C

InChI

1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3

InChI key

NHTMVDHEPJAVLT-UHFFFAOYSA-N

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一般描述

2,2,4-三甲基戊烷(TMP,异辛烷)是饱和的支链烃。据报道对雄性大鼠有肾毒性。研究了TMP在不同温度(198K-348K)和压力(100MPa)下的密度和黏度。它已被确定为无铅汽油中的肾毒性诱导成分。

应用

2,2,4-三甲基戊烷(TMP,异辛烷)可用于评估TMP和环己烷的二元混合物的各种物理性质(密度,黏度,折射率和表面张力)。

其他说明

货号 32291-4X2.5L的产品即将停产。请订购物理性质和规格相同的单瓶32291-2.5L。
货号为32291-4X2.5L-M 的产品即将停产。请订购32291-2.5L-M单瓶装,因为其物理参数与上述产品本质相同。
仅适用于德国:unversteuert

警示用语:

Danger

危险分类

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Central nervous system

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

10.4 °F - closed cup

闪点(C)

-12 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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