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Encyclopedia > Pentane
Pentane
General
Molecular formula C5H12
CAS number 109-66-0
EC number 203-692-4
Physical characteristics
Appearance Colourless liquid
Melting point -130° Celsius
Boiling point 35-36° Celsius
Vapour density 2.48
Vapour pressure 428 mm Hg at 20° Celsius
Specific gravity 0.626
Flash point -49° Celsius
Explosion limits 1.4 % - 8.3 %
Autoignition temperature 260° Celsius
Evaporation rate 28.6 (butyl acetate = 1)


Pentane (also known as amyl hydride or skellysolve) is an alkane hydrocarbon with the chemical formula CH3(CH2)3CH3.


External links

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



 

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:
 
Safety (MSDS) data for pentane (259 words)
Click here for data on pentane in student-friendly format, from the HSci project.
The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS).
If not, this page is a copy made by some other person and we have no responsibility for it.
Gas Detector Calibration: Crowcon Detection Instruments: Gas Facts (898 words)
Most flammable gas detectors are calibrated 0-100% LEL methane or 0-100% LEL pentane and SECTION 4 describes the use of CORRECTION FACTORS for measuring other gases and vapours which are known to be present.
Pellistor sensors are about twice as sensitive to methane as to pentane and these two calibrations are therefore convenient to use.
Pentane and other flammable liquids, which readily vaporise can be used to produce dilute mixtures with air by using plastic (Tedlar) bags available from Crowcon.
  More results at FactBites »


 

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