Merck
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34862

Sigma-Aldrich

2,2,4-三甲基戊烷

suitable for HPLC, ≥99%

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)

测定

≥99%

形式

liquid

自燃温度

745 °F

expl. lim.

6 %

technique(s)

HPLC: suitable

杂质

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

透射比

210 nm, ≥20%
235 nm, ≥80%
270 nm, ≥98%

折射率

n20/D 1.391 (lit.)

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

密度

0.692 g/mL at 25 °C (lit.)

application(s)

food and beverages

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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Related Categories

一般描述

2,2,4-三甲基戊烷(TMP,异辛烷)是一种饱和的支链烃。据报道对雄性大鼠有肾毒性。已测定 TMP 在不同温度 (198K-348K) 和压力 (100 mPa) 下的密度和粘度。其已被鉴定为无铅汽油中的肾毒性诱导组分。

应用

2,2,4-三甲基戊烷 (TMP,Isooctane) 被用于在 HPLC 冷蒸气原子荧光光谱法 (HPLC-CVAFS) 定量测定各种生物样品中的甲基汞时分离汞分子。可用于评价 TMP 和环己烷二元混合物的各种物理属性(密度、粘度、折射率和表面张力)。

包装

1, 6×1, 2, 4×2, 4×4 L in glass bottle
100 mL in glass bottle

其他说明

重要通知
货号 34862-4X2.5L的产品即将停产。请订购34862-2.5L单瓶装,因为其具体参数与上述产品本质相同。

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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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