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Formula: CO

Carbon Monoxide is a toxic, flammable, colorless, odorless gas.

Grade 2.5 Grade 3.0 Grade 4.0 Grade 4.7 Grade 5.0
Purity 99.5% 99.9% 99.99% 99.997% 99.999%
Nitrogen < 4500 ppmv < 900 ppmv < 80 ppmv < 20 ppmv < 5 ppmv
Oxygen < 10 ppmv < 10 ppmv < 5 ppmv < 3 ppmv < 2 ppmv
Carbon Dioxide < 100 ppmv < 50 ppmv < 10 ppmv < 5 ppmv < 2 ppmv
Methane < 100 ppmv < 50 ppmv < 10 ppmv < 5 ppmv < 2 ppmv
Moisture < 5 ppmv < 5 ppmv < 4 ppmv < 3 ppmv < 2 ppmv
Total Impurities < 5000 ppmv < 1000 ppmv < 100 ppmv < 30 ppmv < 10 ppmv

**Moisture level guaranteed only when Electronic Fluorocarbons prepares the cylinders.
All concentrations are on a mol/mol basis unless otherwise stated.
This product is analyzed gas phase.

Chemical & Physical Properties
Molecular Weight 28.01
Specific Volume 13.8 cf/lb
Flammability Limits 12.5 – 74.0 % in Air
Valve Outlet CGA 350
LB CGA 170

 

Shipping Information
DOT Name Carbon Monoxide, Compressed
Hazard Class 2.3
DOT No. UN 1016
DOT Label Inhalation Hazard and Flammable Gas
CAS No. 630-08-0

 

 

Cylinder Size Fill Volume (CF)
49L/Size 300 240
44L/Size 200 180
16L/Size 80 70
7L/Size 35 30