ISO-OCTANE R. G., REAG. ACS, REAG. PH. E

Name: ISO-OCTANE R. G., REAG. ACS, REAG. PH. E
Brand: SIGMA-ALDRICH
SKU: 32291-1LSIG
Price: 130.80 EUR

Code: 32291-1LSIG D2-231

Application

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

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OVERVIEW

Application

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.

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 identified as nephrotoxicity inducing component in unleaded gasoline.

Other Notes

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

SPECIFICATIONS

assay	≥99.5% (GC)
autoignition temp.	745 °F
bp	98-99 °C (lit.)
cation traces	Cr: ≤0.02 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Ni: ≤0.02 mg/kg, Al: ≤0.5 mg/kg, Ba: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg, Sn: ≤0.1 mg/kg, B: ≤0.02 mg/kg, Mn: ≤0.02 mg/kg, Co: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Pb: ≤0.1 mg/kg, Fe: ≤0.1 mg/kg
density	0.692 g/mL at 25 °C (lit.)
expl. lim.	6 %
form	liquid
grade	puriss. p.a.
impurities	≤0.005% S-compounds (as S), ≤0.001% non-volatile matter, ≤0.01% water (Karl Fischer), ≤0.0005% free acid (as CH₃COOH)
InChI key	NHTMVDHEPJAVLT-UHFFFAOYSA-N
InChI	1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3
mp	−107 °C (lit.)
Quality Level	100
refractive index	n20/D 1.3915-1.3925, n20/D 1.391 (lit.)
SMILES string	CC(C)CC(C)(C)C
vapor density	3.9 (vs air)
vapor pressure	41 mmHg ( 21 °C)