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CN
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安全信息

59045

Sigma-Aldrich

2,2,4-三甲基戊烷

puriss. p.a., ACS reagent, ≥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:
540-84-1
分子量:
114.23
Beilstein:
1696876
EC 号:
208-759-1
MDL编号:
MFCD00008943
UNSPSC代码:
12352300
PubChem化学物质编号:
329758564
NACRES:
NA.21
方案:
≥99.5% (GC)
沸点:
98-99 °C (lit.)
蒸汽压:
41 mmHg ( 21 °C)

等级

ACS reagent
puriss. p.a.

蒸汽密度

3.9 (vs air)

蒸汽压

41 mmHg ( 21 °C)

方案

≥99.5% (GC)

表单

liquid

自燃温度

745 °F

expl. lim.

6 %

杂质

≤0.002% free acid (as CH3COOH)
≤0.005% sulfur compounds (as S)

蒸发残留物

≤0.001%

折射率

n20/D 1.391 (lit.)
n20/D 1.391

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
Ba: ≤0.1 mg/kg
Bi: ≤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
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤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. Single-photon absorption spectra of its pure liquid form under vacuum ultraviolet excitation have been investigated. It is a reference standard employed for the octane rating system of gasoline and has been assigned octane rating of 100.6

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.

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

法规信息

危险化学品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCH0894
BCCG3520
BCCF3032
BCCD0446
BCBZ9809

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Single-photon absorption of liquid cyclohexane, 2, 2, 4 trimethylpentane and tetramethylsilane in the vacuum ultraviolet.
Jung JM and Gress H.
Chemical Physics Letters, 377(5), 495-500 (2003)
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
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
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)
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