CHEMICAL FACT SHEET for emergency responders

 

CHEMICAL:

Nitrogen Dioxide

 

NO2

1067

10102-44-0

124

 

 

 

3

0

0

Chemical Formula

UN #

C.A.S. #

ERG . #

Hazardous Substance

Extremely Hazardous Substance

RQ

Health

Fire

Reactivity

 

Characteristics

Exposure Limits

 

Common Uses

Appearance:

Brownish liquid or gas

LEL:

N/a

 

 

Product of high-temperature combustion

 

 

Vapor Density

1.58

UEL:

N/a

Specific Gravity:

1.44

IDLH:

20 ppm

Flash Point:

N/a

STEL:

5 ppm

Auto Ignit.:

N/a

PEL:

3 ppm

Vapor Pressure:

96 @ 20 C

 

 

pH:

 

 

 

 

 

 

 

 

Emergency Response PPE (Fire Fighters)

 

Hazards

Respiratory: 

                           SCBA

 

 

Toxic, can be fatal if inhaled or absorbed through skin.

Contact can cause frostbite.

 

Stored in pressurized cylinders.  Keep cylinders cool if exposed to fire.

Eye/Face/Body: 

                           Fire clothing provides limited protection.  See chemical manufacturer info.

 

 

 

 

 

Emergency Medical Actions

 

Incompatible

 

Irrigate affected areas.  Liquid exposure may cause frostbite.

Provide oxygen.

 

 

Ammonia, chlorinated hydrocarbons, water

 

 

 

 

 

Notes

 

Initial and Protective Action Distances

 

May be placarded as oxidizer, poison or corrosive, depending on form.

 

 

Small Spills <>

Isolate for 200 meters, shut off source

 

 

Large Spills <>

Evacuate ½ mile, shut off source if possible.

 

 

 

Emergency Response Actions

 

Isolate/evacuate area.  Stop leak if possible, wearing proper PPE