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Encyclopedia > Octadecane
Octadecane
General
Molecular formula C18H38
CAS number 593-45-3
EC number 209-790-3
Physical characteristics
Appearance White crystals or powder
Melting point 28-30° Celsius
Boiling point 317° Celsius
Vapour density 8.8
Vapour pressure 1 mm Hg at 119° Celsius
Specific gravity 0.777
Flash point 165° Celsius
Explosion limits -
Autoignition temperature 235° Celsius


Octadecane is an alkane hydrocarbon with the chemical formula CH3(CH2)16CH3.


External links

  • Material Safety Data Sheet for Octadecane (http://physchem.ox.ac.uk/MSDS/OC/Octadecane.html)
  • http://www.ars-grin.gov/cgi-bin/duke/chemical.pl?OCTADECANE



 

Alkanes

methane
CH4

|
 

ethane
C2H6

|
 

propane
C3H8

|
 

butane
C4H10

|
 

pentane
C5H12

|
 

hexane
C6H14

heptane
C7H16

|
 

octane
C8H18

|
 

nonane
C9H20

|
 

decane
C10H22

|
 

undecane
C11H24

|
 

dodecane
C12H26

 

tridecane
C13H28

|
 

tetradecane
C14H30

|
 

pentadecane
C15H32

|
 

hexadecane
C16H34

|
 

heptadecane
C17H36

|
 

octadecane
C18H38

 

nonadecane
C19H40

|
 

eicosane
C20H42

|
 

heneicosane
C21H44

|
 

docosane
C22H46

|
 

tricosane
C23H48

|
 

tetracosane
C24H50

 

pentacosane
C25H52

|
 

hexacosane
C26H54

|
 

heptacosane
C27H56

|
 

octacosane
C28H58

|
 

nonacosane
C29H60

|
 

triacontane
C30H62

 

hentriacontane
C31H64

|
 

dotriacontane
C32H66

|
 

tritriacontane
C33H68

|
 

tetratriacontane
C34H70

|
 

pentatriacontane
C35H72

|
 

hexatriacontane
C36H74

 

  Results from FactBites:
 
Results (3700 words)
Results for Octadecane Spheres in PDMS are shown here.
Octadecane in this sample is embedded in PDMS resin, which has a very low thermal conductivity, as described in the materials selection page.
In this sample, the octadecane powder was evenly distributed throughout the PDMS resin and there was no flaking away of the octadecane from the resin when the sample was cut.
  More results at FactBites »


 

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