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Merck
CN

32291-M

Sigma-Aldrich

2,2,4-三甲基戊烷

puriss. p.a., ≥99.5% (GC)

别名:

异辛烷

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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:
12191502
PubChem化学物质编号:
NACRES:
NA.21
方案:
≥99.5% (GC)
沸点:
98-99 °C (lit.)
蒸汽压:
41 mmHg ( 21 °C)

蒸汽密度

3.9 (vs air)

质量水平

蒸汽压

41 mmHg ( 21 °C)

等级

puriss. p.a.

方案

≥99.5% (GC)

表单

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

沸点

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-Trimethylpentane (TMP, isooctane) is a saturated, branched hydrocarbon. It has been reported to be nephrotoxic to male rats. Density and viscosity of TMP at various temperatures (198K - 348K) and pressures (100MPa) has been evaluated. It has been identified as nephrotoxicity inducing component in unleaded gasoline.

应用

2,2,4-Trimethylpentane (TMP, isooctane) may be used to evaluate various physical properties (densities, viscosities, refractive indexes and surface tensions) of the binary mixtures of TMP and cyclohexane.

其他说明

Pertains only in Germany: 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)

-12.00 °C - closed cup

法规信息

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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
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

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