Skip to Content
Merck
CN
All Photos(3)

Documents

Safety Information

360597

Sigma-Aldrich

2,2,4-Trimethylpentane

ACS reagent, ≥99.0%

Synonym(s):

Isooctane

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
540-84-1
Molecular Weight:
114.23
Beilstein:
1696876
EC Number:
208-759-1
MDL number:
MFCD00008943
UNSPSC Code:
12191502
PubChem Substance ID:
329755268
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

vapor density

3.9 (vs air)

vapor pressure

41 mmHg ( 21 °C)

Assay

≥99.0%

form

liquid

autoignition temp.

745 °F

expl. lim.

6 %

impurities

≤0.0003 meq/g Water-soluble titr. acid
≤0.005% S compounds

evapn. residue

≤0.001%

color

APHA: ≤10

refractive index

n20/D 1.391 (lit.)

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

solubility

water: insoluble

density

0.692 g/mL at 25 °C (lit.)

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

2,2,4-Trimethylpentane (TMP, isooctane), a volatile organic solvent is used to improve the octane rating of combustion fuels. TMP is a primary reference fuel with an arbitrary octane number of 100 as it burns smoothly without resulting in any knocking. It also a component of gasoline. The physical characteristics of the binary mixtures of n-heptane and 2,2,4-trimethylpentane has been studied that helps in understanding the combustion process of mixtures of primary reference fuels.

Application

2,2,4-Trimethylpentane (TMP, isooctane) may be used in the following studies:
  • Synthesis of polyethyleneimine /silica hybrid nanoparticles.
  • Amino acid quantification process.
  • To dissolve di(2-ethylhexyl) phosphoric acid(DEHPA) to form a solution that is used in the extraction and back extraction of methylene blue.

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

10.4 °F - closed cup

Flash Point(C)

-12 °C - closed cup

Regulatory Information

危险化学品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Density, Viscosity, Speed of Sound, Bulk Modulus, and Surface Tension of Binary Mixtures of n-Heptane+ 2,2,4-Trimethylpentane at (293.15 to 338.15) K and 0.1 MPa.
Prak DJL, et al.
Journal of Chemical and Engineering Data, 59(11), 3842-3851 (2014)
Rafael Bermúdez et al.
PloS one, 10(5), e0123945-e0123945 (2015-05-15)
The unabated rise in anthropogenic CO₂ emissions is predicted to strongly influence the ocean's environment, increasing the mean sea-surface temperature by 4°C and causing a pH decline of 0.3 units by the year 2100. These changes are likely to affect
Sulforhodamine B-Loaded Polyethyleneimine/Silica Hybrid Nanoparticles.
Blumling III and Silva GA.
American Journal of Neuroprotection and Neuroregeneration, 6.1, 73-77 (2014)
Reversed Micellar Extraction of Methylene Blue by using Di (2-ethylhexyl) Phosphoric Acid.
Kinugasa T, et al.
Solvent Extraction Research and Development, Japan, 22(2), 169-176 (2015)
Paul Hellier et al.
Frontiers in bioengineering and biotechnology, 3, 49-49 (2015-05-06)
The metabolic engineering of photosynthetic microbes for production of novel hydrocarbons presents an opportunity for development of advanced designer biofuels. These can be significantly more sustainable, throughout the production-to-consumption lifecycle, than the fossil fuels and crop-based biofuels they might replace.
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service