Skip to main content

Isooctane

ADVERTISEMENT
Identification
Molecular formula
C8H18
CAS number
540-84-1
IUPAC name
2,2,4-trimethylhexane
State
State

At room temperature, isooctane is a liquid.

Melting point (Celsius)
-107.40
Melting point (Kelvin)
165.75
Boiling point (Celsius)
99.30
Boiling point (Kelvin)
372.45
General information
Molecular weight
114.22g/mol
Molar mass
114.2240g/mol
Density
0.6920g/cm3
Appearence

Isooctane is a colorless liquid with a petrol-like odor. It is often used as a reference fuel in octane rating, where it is assigned an octane number of 100.

Comment on solubility

Solubility of 2,2,4-Trimethylhexane

2,2,4-Trimethylhexane, with its molecular formula C11H24, is a branched-chain hydrocarbon, belonging to the family of alkanes. Its solubility characteristics are primarily influenced by its hydrophobic nature and structural composition.

Key Points About Solubility:

  • Non-polar Solvent Compatibility: 2,2,4-trimethylhexane is insoluble in water due to its non-polar characteristics. However, it is highly soluble in non-polar organic solvents, such as:
    • Hexane
    • Octane
    • Diethyl ether
  • Temperature Influence: The solubility of 2,2,4-trimethylhexane in organic solvents may increase with temperature, as higher temperatures tend to enhance molecular motion and weaken intermolecular forces.

As a general rule in organic chemistry, larger hydrocarbons and branched alkanes exhibit lower solubility in polar solvents like water. Thus, 2,2,4-trimethylhexane's solubility behavior exemplifies this trend:

  • Insoluble in Water
  • Soluble in Non-polar Solvents

To conclude, understanding the solubility of 2,2,4-trimethylhexane is crucial in various chemical applications, particularly in industries where solvent properties play a significant role. This compound serves as a reminder of how molecular structure directly influences solubility behavior.

Interesting facts

Interesting Facts about 2,2,4-trimethylhexane

2,2,4-trimethylhexane is a fascinating organic compound renowned for its unique structure and wide-ranging applications. This branched alkane is an isomer of octane, which means it plays a significant role in the field of fuel science. Here are some compelling points about this intriguing compound:

  • Role in Fuel Research: 2,2,4-trimethylhexane is often used as a reference compound in octane rating tests, making it essential for evaluating gasoline performance in engines.
  • Structural Characteristics: Its branched structure contributes to a higher octane rating compared to its straight-chain counterparts. This allows for smoother ignition and more efficient combustion.
  • Environmental Impact: Understanding the behavior of 2,2,4-trimethylhexane in the environment is vital. It helps researchers assess the impact of fuel emissions on air quality.
  • Applications Beyond Fuel: In addition to its role in fuel research, this compound is also used in the synthesis of various chemicals, making it valuable in the petrochemical industry.
  • Physical Properties: The branched configuration of 2,2,4-trimethylhexane lends it distinct physical properties, enhancing its significance in chemical analysis and applications.

As a scientist or chemistry student delving into the world of hydrocarbons, the study of 2,2,4-trimethylhexane offers a captivating glimpse into how molecular structure influences chemical behavior and practical applications. It truly epitomizes the intricate relationship between chemistry and daily life!

Synonyms
2,2,4-TRIMETHYLHEXANE
16747-26-5
Hexane, 2,2,4-trimethyl-
UNII-68L13E286X
AI3-28854
EINECS 240-807-7
68L13E286X
DTXSID30868211
Hexane, 2,2,4trimethyl
DTXCID00816340
(+-)-2,2,4-TRIMETHYLHEXANE
240-807-7
AFTPEBDOGXRMNQ-UHFFFAOYSA-N
UN3295
MFCD00039928
2,2,4-trimethyl-hexane
SCHEMBL15502
SCHEMBL15503
SCHEMBL93739
SCHEMBL1579863
SCHEMBL1969594
SCHEMBL1986410
SCHEMBL2961979
SCHEMBL4620289
SCHEMBL11028364
SCHEMBL11315652
SCHEMBL18185197
CHEBI:187668
LMFA11000333
AKOS015903604
(+/-)-2,2,4-TRIMETHYLHEXANE
DB-043703
2,2,4-Trimethylhexane, >=98.0% (GC)
NS00052032
T0774
T71897
Q952800