Merck
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59045

Sigma-Aldrich

2,2,4-Trimethylpentane

puriss. p.a., ACS reagent, ≥99.5% (GC)

Synonym(s):
Isooctane
Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
Molecular Weight:
114.23
Beilstein:
1696876
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.21

Nível de qualidade

200

grau

ACS reagent
puriss. p.a.

densidade de vapor

3.9 (vs air)

pressão de vapor

41 mmHg ( 21 °C)

teor

≥99.5% (GC)

forma

liquid

temperatura de autoignição

745 °F

Lim. expl.

6 %

Impurezas

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

resíduo de evaporação

≤0.001%

índice de refração

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

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
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 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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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. 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

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.

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

WGK

WGK 2

Ponto de fulgor (ºF)

10.4 °F - closed cup

Ponto de fulgor (ºC)

-12 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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