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PRODUCTS / SPECIALITY GASES / HYDROCARBONS REFRIGERANTS / ISOBUTANE

C4H10
UN 1011

Description
Grade Impurities
(Liquid Phase)
97.5% (N1.75)
(Vol. %)
99.5% (N2.5)
(Vol. PPM)
Isobutane is the simplest member of the isoalkane series of hydrocarbons.
It is a colourless, easily liquefied flammable gas.
Nitrogen - < 400
Oxygen - < 100
Propane < 1.5 < 1000
n-Butane < 1.5 < 3000
Moisture 10 mg / kilo < 10
Sulphur 2 mg / kilo < 1

Cylinder Size Volume (Kg)   Cylinder Data
B10st 5  

Supplied as a liquefied gas in seamless steel or aluminium cylinders.

Standard sizes / volumes as listed.

B45Ist 22  
B110Ist 53  
D450Ist 223  
Iso-Container 12000  

PROTON GAS can supply any internationally recognised valve type. For Isobutane the standard international
valve types are as follows
American CGA 510
British BS 341 - 4
European DIN 477 - 1

Gas Data
Atomic Weight 58.124
Boiling Temp. -12
Vapour Pressure (psia) @ 15°C 38
Critical Temp. (°C) 135
Cond. Temp. at 26 bar abs (°C) 114
Refr. Capacity (%) n/a
C.O.P (%) n/a
Discharge Gas Temp. (°K) n/a

Recommended Regulator

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

PROTON GAS has a variety of suitable handling equipment for this product - please enquire.


Typical Applications

Used in high temperature refrigeration applications, such as domestic refrigerators, drinks despensers. A substiture for
R114 and R12B1.

Bulk Gases
Pure & Carrier Gases
Rare Gases
Speciality Gases
Hydrocarbons
Hydrocarbon Refrigerants
Ethane
Propane
n-Butane
Isobutane
Propylene
Semiconductor Gases
Additional Gases
Lecture Bottles
Gas Mixtures / Calibration
Gas Mixtures
Gas Handling Equipments

Packaging Option