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Merck

34862

Sigma-Aldrich

2,2,4-三甲基戊烷

suitable for HPLC, ≥99%

别名:

异辛烷

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1 L
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1 L
$235.00
2 L
$303.00
2.5 L
$325.00

About This Item

线性分子式:
(CH3)2CHCH2C(CH3)3
CAS号:
分子量:
114.23
Beilstein:
1696876
EC 号:
MDL编号:
UNSPSC代码:
41116105
PubChem化学物质编号:
NACRES:
NA.21

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等级

HPLC grade

质量水平

蒸汽密度

3.9 (vs air)

蒸汽压

41 mmHg ( 21 °C)

方案

≥99%

表单

liquid

自燃温度

745 °F

expl. lim.

6 %

技术

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.)

沸点

98-99 °C (lit.)

mp

−107 °C (lit.)

密度

0.692 g/mL at 25 °C (lit.)

应用

food and beverages

SMILES字符串

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)是一种饱和的支链烃。[1]据报道对雄性大鼠有肾毒性。[2]已测定 TMP 在不同温度 (198K-348K) 和压力 (100 mPa) 下的密度和粘度。[1]其已被鉴定为无铅汽油中的肾毒性诱导组分。[3]

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。[4]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)。[5]

包装

M-Bottle for Solvents
As a global leader in lab reagents, we are constantly looking for new ways to optimize the safety of our products. The newly developed 4L solvent bottle design features advanced sealing technology that eliminates leaks to make the handling of solvents safer and more convenient than ever before.
See all the new features here!

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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B G Short et al.
Toxicologic pathology, 14(2), 194-203 (1986-01-01)
Unleaded gasoline causes acute and chronic nephrotoxicity and renal tumors in male rats, but not female rats or mice of either sex. An active nephrotoxic component of unleaded gasoline has been identified as 2,2,4-trimethylpentane (TMP). The first objective of this
Physicochemical properties of liquid mixtures. 1. Viscosity, density, surface tension and refractive index of cyclohexane+ 2, 2, 4-trimethylpentane binary liquid systems from 25 C to 50 ?C.
Gomez-Diaz D, et al.
Journal of Chemical and Engineering Data, 46(3), 720-724 (2001)
Density and viscosity measurements of 2, 2, 4-trimethylpentane (isooctane) from 198 K to 348 K and up to 100 MPa.
Padua AAH, et al.
Journal of Chemical and Engineering Data, 41(6), 1488-1494 (1996)
E A Lock et al.
Toxicology and applied pharmacology, 91(2), 182-192 (1987-11-01)
Trimethylpentane (TMP) produces nephrotoxicity in male but not in female rats. The toxicity is characterized by an increase in protein droplets in proximal convoluted tubular cells and an increase in the renal concentration of the male-rat-specific protein alpha 2u-globulin. Subcellular
Aram Kang et al.
Molecular bioSystems, 8(4), 1350-1358 (2012-02-14)
Microbial tolerance to hydrocarbons has been studied in an effort to improve the productivity of biochemical processes and to enhance the efficiency of hydrocarbon bioremediation. Despite these studies, few attempts have been made to design rational strategies to improve microbial

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