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Hexadecane

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Identification
Molecular formula
C16H34
CAS number
544-76-3
IUPAC name
hexadecane
State
State
At room temperature, hexadecane is a liquid.
Melting point (Celsius)
18.00
Melting point (Kelvin)
291.20
Boiling point (Celsius)
287.40
Boiling point (Kelvin)
560.60
General information
Molecular weight
226.44g/mol
Molar mass
226.4410g/mol
Density
0.7708g/cm3
Appearence

Hexadecane is a colorless liquid that is typically described as having a mildly sweet odor. It is part of the alkane hydrocarbon series and is not soluble in water, but it is soluble in organic solvents such as ether, ethanol, and chloroform.

Comment on solubility

Solubility of Hexadecane

Hexadecane, with the chemical formula C16H34, is a saturated hydrocarbon, which contributes significantly to its solubility characteristics. Understanding the solubility of hexadecane is important, especially in various chemical and industrial applications. Here are some key points regarding its solubility:

  • Nonpolar Nature: Hexadecane is a nonpolar compound, which means it dissolves well in nonpolar solvents.
  • Limited Solubility: It exhibits very low solubility in polar solvents such as water. This is attributed to the significant difference in polarity between hexadecane and polar solvents.
  • Hydrophobic Properties: Hexadecane's hydrophobic nature makes it a poor candidate for dissolution in aqueous solutions, reinforcing its role in applications like waterproofing and lubricants.
  • Temperature Dependence: Though its solubility in solvents is generally low, temperature can enhance the solubility of hexadecane in some nonpolar solvents, allowing for increased mixing at elevated temperatures.

In summary, while hexadecane may not be soluble in water, it thrives in nonpolar environments. This behavior underscores its utility in various chemical processes and applications where nonpolar solvents are employed.

Interesting facts

Interesting Facts about Hexadecane

Hexadecane is a fascinating alkane hydrocarbon that consists of a straight chain of 16 carbon atoms, making it a part of the family of saturated hydrocarbons. Here are some intriguing characteristics and applications of hexadecane:

  • Natural Presence: Hexadecane is commonly found in various natural sources such as whale oil and can also be extracted from some plant oils, specifically as a minor component.
  • Applications in Research: Due to its hydrophobic nature, hexadecane is often used as a non-polar solvent in scientific research, which makes it valuable in organic chemistry.
  • Biological Significance: This compound plays a significant role in the study of lipid membranes, serving as a model system to understand membrane behavior due to its structural similarity to fatty acids.
  • Fuel Industry: Hexadecane is also used as a reference compound in the cetane number testing of diesel fuels, thus impacting the automotive and energy sectors significantly.
  • Environmental Studies: Its presence as a contaminant in petroleum products makes it a compound of interest in environmental chemistry, particularly in studies aimed at understanding the degradation of hydrocarbons in ecosystems.

As a scientist examining hexadecane, one might appreciate its role in both natural processes and industrial applications. As Albert Einstein once said, "The important thing is not to stop questioning. Curiosity has its own reason for existence." This curiosity drives research into understanding not just hexadecane but the vast and complex world of chemical compounds.


In conclusion, hexadecane is more than just a simple molecule; it serves as a pivotal link between nature, research, and industry, making it a notable compound in the study of chemistry.

Synonyms
HEXADECANE
n-Hexadecane
544-76-3
n-Cetane
Hexadekan
Cetan
Zetan
CCRIS 5833
HSDB 6854
F8Z00SHP6Q
NSC 7334
EINECS 208-878-9
BRN 1736592
AI3-06522
UNII-F8Z00SHP6Q
DTXSID0027195
CHEBI:45296
HEXADECANE, N-
NSC-7334
PARAFOL 16-97
DTXCID607195
EC 208-878-9
4-01-00-00537 (Beilstein Handbook Reference)
CH3-(CH2)14-CH3
CH3-[CH2]14-CH3
UNII: F8Z00SHP6Q
208-878-9
Cetane
MFCD00008998
Hexadecane-1-D 98 atom % d
hexadecan
Pentadecane, methyl-
Hexadecane, analytical standard
CNS
Hexadecane; Cetane; NSC 7334; S 6 (alkane); n-Cetane; n-Hexadecane
Hexadecane solution
n-Hexadecane 10 microg/mL in Acetone
Hexadecane, >=99%
HEXADECANE [HSDB]
Hexadecane, p.a., 99%
Hexadecane_RamanathanGurudeeban
CHEMBL134994
QSPL 025
QSPL 078
QSPL 116
Hexadecane, anhydrous, >=99%
MSK3511
NSC7334
Hexadecane, ReagentPlus(R), 99%
Tox21_300485
LMFA11000577
STL453674
AKOS025212855
Hexadecane, purum, >=98.0% (GC)
HY-W099580
NCGC00164132-01
NCGC00164132-02
NCGC00254306-01
AS-56424
CAS-544-76-3
SY010655
DB-052582
Hexadecane, Vetec(TM) reagent grade, 98%
CS-0152222
H0066
NS00009955
S0288
D97389
A830206
Q150843
5166841B-BF92-4A7D-8CEF-0B01B374ED0E
F0001-6121
InChI=1/C16H34/c1-3-5-7-9-11-13-15-16-14-12-10-8-6-4-2/h3-16H2,1-2H