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34862

Sigma-Aldrich

2,2,4-trimetilpentano

suitable for HPLC, ≥99%

Sinonimo/i:

Isoottano

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About This Item

Formula condensata:
(CH3)2CHCH2C(CH3)3
Numero CAS:
540-84-1
Peso molecolare:
114.23
Beilstein:
1696876
Numero CE:
208-759-1
Numero MDL:
MFCD00008943
Codice UNSPSC:
41116105
ID PubChem:
329755071
NACRES:
NA.21
Saggio:
≥99%
tecniche:
HPLC: suitable
applicazioni:
food and beverages
P. ebollizione:
98-99 °C (lit.)
Tensione di vapore:
41 mmHg ( 21 °C)

Densità del vapore

3.9 (vs air)

Livello qualitativo

100

Tensione di vapore

41 mmHg ( 21 °C)

Saggio

≥99%

Stato

liquid

Temp. autoaccensione

745 °F

Limite di esplosione

6 %

tecniche

HPLC: suitable

Impurezze

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

Trasmittanza

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

Indice di rifrazione

n20/D 1.391 (lit.)

P. ebollizione

98-99 °C (lit.)

Punto di fusione

−107 °C (lit.)

Densità

0.692 g/mL at 25 °C (lit.)

applicazioni

food and beverages

Stringa SMILE

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

InChI

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

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Descrizione generale

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.

Applicazioni

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.

Altre note

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.

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Avvertenze

Danger

Indicazioni di pericolo

H225,H304,H315,H336,H410

Classi di pericolo

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

Organi bersaglio

Central nervous system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

10.4 °F - closed cup

Punto d’infiammabilità (°C)

-12 °C - closed cup

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Certificati d'analisi (COA)

Lot/Batch Number
STBL1106
STBL0436
STBK7690
MKCQ1980
MKCQ1102

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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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