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DescriptionGrade
Max Impurities
(Liquid Phase)
99.5%
(N2.5)
(Mol. PPM)
99.9%
(N3.0)
(Mol. PPM)
99.95%
(N3.5)
(Mol. PPM)
99.99%
(N4.0)
(Mol. PPM)
Isobutane is the simplest member of the isoalkane series of hydrocarbons.
It is a colourless, easily liquefied flammable gas.
Nitrogen< 400< 160< 20< 20
Oxygen< 100< 40< 5< 5
Propane< 1000< 500< 300< 50
n-Butane< 3000< 300< 200< 30
Moisture< 10< 5< 5< 3
Sulphur<1< 1< 1< 1
Lower purities available for refrigeration applications – Please Contact us.
Cylinder SizeVolume (Kg) Cylinder Data
B10st4.9 

Supplied as a liquefied gas under its own vapour pressure in steel or aluminium cylinders.

Standard sizes / Volumes as listed –
Larger volumes are available on request.

B45Ist21.1 
B50st24.5 
B110Ist52.9 
B450Ist220.5 
Prime Vision Industrial Gas Trading LLC can supply any internationally recognised valve type. For Isobutane the standard international valve types are as follows
AmericanCGA 510
BritishBS 341 – 4
EuropeanDIN 477 – 1
Gas Data
Atomic Weight58.124
Boiling Point-11.7°C
Density2.487 g/cm3
Vapour Pressure2.62 bar
Recommended Regulator

Single stage brass or stainless steel body with stainless steel internals.

Prime Vision Industrial Gas Trading LLC has a variety of suitable handling equipment for this product – please enquire.

Typical Applications
Calibration of instruments such as temperature and pressure gauges. Also used in the manufacture of aviation fuel.