Chemical of the Week Part 2 - Carbon Monoxide

Hazard Profile

Chemical Name and Pseudonyms

Carbon Monoxide, Carbon Oxide, Flue Gas, Monoxide, Carbonic Oxide, 630-08-0

UN Number

1016, 9202 (cryogenic liquid)

Chemical Formula

CO

Hazards

Flammable, toxic, compressed or liquified gas

PPE Considerations

SFPC with SCBA

Fire Fighting Considerations

Extinguishing agent suitable for surrounding materials

Decontamination

Ventilation

Detection and Monitoring

Colormetric, electrochemical sensor, PID IP = 14.01 ev, FTIR, spectroscopy

Chemical and Physical Properties

Physical State

Colorless, odorless gas

Vapor Pressure

>35 ATM

Boiling Point

~313^oF

Vapor Density

~.97

Specific Gravity

-

Miscibility

Slightly soluble

Flash Point

-

LEL/UEL

12.5% / 74%

Autoignition Temp

-

pH

-

Toxicity

IDLH

1200 ppm

PEL/REL/STEL

50 ppm/35 ppm/-

LD50

-

LC50

1300 ppm

Radioactive (Yes/No)

No

Medical

Toxicological Considerations

Toxic by inhalation 

Signs/Symptoms of Exposure

Respiratory symptoms, CNS, contact injuries from liquid

Medical Treatment

Fresh air and treat symptomatically, treat for frostbite for contact with liquid

Other Information

Reacts with strong oxidizers, sodium, potassium, bromine trifluoride, chlorine trifluoride, and lithium

Chemical Structure