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34862

Sigma-Aldrich

2,2,4-Trimetilpentano

suitable for HPLC, ≥99%

Sinónimos:

Isooctano

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About This Item

Fórmula lineal:
(CH3)2CHCH2C(CH3)3
Número de CAS:
540-84-1
Peso molecular:
114.23
Beilstein/REAXYS Number:
1696876
EC Number:
208-759-1
MDL number:
MFCD00008943
UNSPSC Code:
41116105
PubChem Substance ID:
329755071
NACRES:
NA.21

vapor density

3.9 (vs air)

Quality Level

100

vapor pressure

41 mmHg ( 21 °C)

assay

≥99%

form

liquid

autoignition temp.

745 °F

expl. lim.

6 %

technique(s)

HPLC: suitable

impurities

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

transmittance

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

refractive index

n20/D 1.391 (lit.)

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

density

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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General description

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 indentified as nephrotoxicity inducing component in unleaded gasoline.

Application

2,2,4-Trimethylpentane (TMP, Isooctane) has been used for the isolation of mercury species during the HPLC cold vapor atomic fluorescence spectrometric (HPLC-CVAFS) quantification of MeHg in various biological samples. It may be used to evaluate various physical properties (densities, viscosities, refractive indexes and surface tensions) of the binary mixtures of TMP and cyclohexane.

Other Notes

Important notice
The article number 34862-4X2.5L will be discontinued. Please order the single bottle 34862-2.5L which is physically identical with the same exact specifications.

Recommended products

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signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

10.4 °F - closed cup

flash_point_c

-12 °C - closed cup

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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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
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)
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)
Kyung Min Park et al.
Food chemistry, 138(2-3), 733-738 (2013-02-16)
In this study, we investigated the possibility of reversed micelles, widely used as an enzyme reactor for lipases, for the determination of lipoxygenase activity. Although it is rapid and simple, reversed micelles have some limitations, such as interference by UV-absorbing
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