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59041

Sigma-Aldrich

2,2,4-Trimethylpentane

for luminescence, ≥99.5% (GC)

Synonym(s):

Isooctane

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About This Item

Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
540-84-1
Molecular Weight:
114.23
Beilstein/REAXYS Number:
1696876
EC Number:
208-759-1
MDL number:
MFCD00008943
UNSPSC Code:
12352200
PubChem Substance ID:
24881278

grade

for luminescence

vapor density

3.9 (vs air)

vapor pressure

41 mmHg ( 21 °C)

assay

≥99.5% (GC)

autoignition temp.

745 °F

expl. lim.

6 %

refractive index

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

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

density

0.692 g/mL at 25 °C (lit.)

λ

1 cm path, H2O reference

UV absorption

λ: 210 nm Amax: 0.5
λ: 220 nm Amax: 0.14
λ: 230 nm Amax: 0.06
λ: 240 nm Amax: 0.02
λ: 255 nm Amax: 0.005

suitability

in accordance for luminescence

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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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

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCBH0713V
BCBG7638V
BCBF0751V
1377882
409094/1

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Georgia Sanabria-Ortega et al.
Analytical chemistry, 84(18), 7874-7880 (2012-08-01)
A new method to determine Pb isotope ratio without ion-exchange-matrix separation is proposed. After acid digestion, Pb was ethylated to Et(4)Pb, separated from the digested solution (black shale, asphaltene, crude oil and kerogen) by extraction in isooctane, and then injected
M Dolors Benaiges et al.
Biotechnology progress, 26(5), 1252-1258 (2010-10-15)
The characterization of the recombinant Candida rugosa Lip2 (r-Lip2) isoenzyme obtained from fed-batch cultures of Pichia pastoris under PAOX promoter was carried out, determining the optimal pH and temperature as well as their catalytic performance in both hydrolysis and synthesis
William K Boyes et al.
Neurotoxicology and teratology, 32(5), 525-535 (2010-05-05)
The volatile organic compound 2,2,4-trimethylpentane (TMP, "isooctane") is a constituent of gasoline for which the current health effects data are insufficient to permit the US Environmental Protection Agency to conduct a risk assessment. The potential neurological impairment from acute inhalation
Nibedita Pal et al.
Analytical chemistry, 83(20), 7736-7744 (2011-09-09)
Fluorescence correlation spectroscopy (FCS) is an ideal tool for measuring molecular diffusion and size under extremely dilute conditions. However, the power of FCS has not been utilized to its best to measure diffusion and size parameters of complex chemical systems.
Luyan Xue et al.
Colloids and surfaces. B, Biointerfaces, 105, 81-86 (2013-01-29)
Choline acetate is an ionic liquid composed of a kosmotropic anion and a chaotropic cation. According to Hofmeister series, a kosmotropic anion and/or a chaotropic cation could stabilize an enzyme, thereby facilitating the retention of the catalytic activity of the
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