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Isobutane    C4H10
Description: A colorless, flammable liquified gas.

Purity 99.5% 99.9% 99.95% 99.99%
Nitrogen
Oxygen
Water
Sulfur
Other HC's
< 400 ppm
< 100 ppm
< 5 ppm
< 1 ppm
< 5,000 ppm
< 160 ppm
< 40 ppm
< 4 ppm
< 1 ppm
< 5,000 ppm
< 20 ppm
< 5 ppm
< 2 ppm
< 1 ppm
< 100 ppm
< 20 ppm
< 5 ppm
< 1 ppm
< 1 ppm
< 100 ppm
Cylinder Data
Valve
Cylinder Size
Contents
Cylinder Pressure
CGA 350
LP50
117 lb
31psig
 
LP15
60 lb
 
 
LP05
23 lb
 
 
LP01
6 lb
 
Chemical & Physical Properties
Molecular Weight
Specific Volume
58.12
6.5 CF/lb
Safety Data
Flammability Limits:
Simple asphyxiant
1.6 - 8.4% in air
 
Shipping Data
DOT Label
DOT Class
CAS No.:
UN Number
Red, Flammable Gas
2.1
72-28-5
1969
Recommended Regulator:
For 99.5% & 99.9% - Model 2700 - 1 stage - Brass
For 99.95% & 99.99% - Model 3100 - 1 stage - Brass
(Specify required delivery pressure)