2-Nitrobenzonitrile

  • 2-Cyano-1-nitrobenzene
  • 2-Cyanonitrobenzene
  • o-Cyanonitrobenzene
Formula
C7H4N2O2
Structure
Description
Solid.

Registry Numbers and Inventories.
CAS
612-24-8
EC (EINECS/ELINCS)
210-301-0
R 20/21/22
S 22 36/37
RTECS
DI4903000
RTECS class
Mutagen
UN (DOT)
3276
Beilstein/Gmelin
638987
Beilstein Reference
4-09-00-01052

Properties.
Formula
C7H4N2O2
Formula mass
148.13
Melting point, °C
107-109
Boiling point, °C
304
Vapor pressure, mmHg
0.0009 (25 C)
Solubility in water
Slightly soluble
Partition coefficient, pKow
1.55
Heat of vaporization
54.4

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate safety goggles, protective clothing and gloves.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stability
No data.
Incompatibilities
Keep away from strong oxidizing agents, strong bases.
Decomposition
Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide are produced upon decomposition.

Fire.
Flash Point,°C
137
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
Non-Combustible
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Ingestion
Harmful if swallowed.
   Inhalation
Harmful if inhaled.
   Skin
May cause skin irritation. Harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. If irritation develops, get medical aid.

Transport.
UN number
3276
Response guide
Hazard class
6.1
Packing Group
I; II; III