Technical Information
Chemical SymbolCO
Specific Volume13.8 scf/lb
CAS Number630-08-0
Molecular Weight28.01
LEL / UEL in Air12.5% / 75% (vol)

 

 

Shipping Information
UD DOT NameCarbon Monoxide, Compressed
Hazard Class2.3 (2.1)
LabelToxic Gas, Flammable Gas
I.D. NumberUN 1016
 

 

 

GradeCarbon Monoxide 4.0
ImpuritiesArgon < 10 ppm
Hydrogen < 25 ppm
Nitrogen < 60 ppm
Oxygen < 0.1 ppm
Total Hydrocarbons < 1 ppm
Carbon Dioxide < 5 ppm
Moisture < 1 ppm

 

GradeCarbon Monoxide 3.0
ImpuritiesArgon < 15 ppm
Hydrogen < 50 ppm
Nitrogen < 500 ppm
Oxygen < 1 ppm
Total Hydrocarbons < 1 ppm
Carbon Dioxide < 700 ppm
Moisture < 2 ppm

 

GradeCarbon Monoxide 2.5
ImpuritiesArgon < 200 ppm
Hydrogen < 10 ppm
Nitrogen < 2500 ppm
Oxygen < 5 ppm
Total Hydrocarbons < 15 ppm
Carbon Dioxide < 25 ppm
Moisture < 5 ppm

 

GradeCarbon Monoxide 2.0
ImpuritiesArgon < 3000 ppm
Hydrogen < 10 ppm
Nitrogen < 4500 ppm
Oxygen < 5 ppm
Total Hydrocarbons < 15 ppm
Carbon Dioxide < 100 ppm
Moisture < 5 ppm

 

Standard Cylinder SizeContents (ft3)Pressure (psig)CGA Connection
T2442000350
K1811660350

 

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