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32291

Sigma-Aldrich

2,2,4-Trimetilpentano

puriss. p.a., ≥99.5% (GC)

Sinônimo(s):

Isoctano

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About This Item

Fórmula linear:
(CH3)2CHCH2C(CH3)3
Número CAS:
540-84-1
Peso molecular:
114.23
Beilstein:
1696876
Número CE:
208-759-1
Número MDL:
MFCD00008943
Código UNSPSC:
12352300
ID de substância PubChem:
329754125
NACRES:
NA.21

densidade de vapor

3.9 (vs air)

Nível de qualidade

100

pressão de vapor

41 mmHg ( 21 °C)

grau

puriss. p.a.

Ensaio

≥99.5% (GC)

forma

liquid

temperatura de autoignição

745 °F

Lim. expl.

6 %

Impurezas

≤0.0005% free acid (as CH3COOH)
≤0.001% non-volatile matter
≤0.005% S-compounds (as S)
≤0.01% water (Karl Fischer)

índice de refração

n20/D 1.391 (lit.)
n20/D 1.3915-1.3925

pb

98-99 °C (lit.)

pf

−107 °C (lit.)

densidade

0.692 g/mL at 25 °C (lit.)

traços de cátion

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

cadeia de caracteres SMILES

CC(C)CC(C)(C)C

InChI

1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3

chave InChI

NHTMVDHEPJAVLT-UHFFFAOYSA-N

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Descrição geral

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.

Aplicação

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.

Outras notas

The article number 32291-4X2.5L will be discontinued. Please order the single bottle 32291-2.5L which is physically identical with the same exact specifications.
The article number 32291-4X2.5L-M will be discontinued. Please order the single bottle 32291-2.5L-M which is physically identical with the same exact specifications.
Pertains only in Germany: unversteuert

Palavra indicadora

Danger

Classificações de perigo

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

Órgãos-alvo

Central nervous system

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

10.4 °F - closed cup

Ponto de fulgor (°C)

-12 °C - closed cup

Certificados de análise (COA)

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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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