Pyromellitonitrile

  • 1,2,4,5-Benzenetetracarbonitrile
  • 1,2,4,5-Benzenetetranitrile
  • Pyromellitic acid tetranitrile
  • Pyromellitic nitrile
  • Pyromellitic tetranitrile
Formula
C10H2N4
Structure
Description
Solid.

Registry Numbers and Inventories.
CAS
712-74-3
RTECS
DB9100000
RTECS class
Other
UN (DOT)
3276
Beilstein/Gmelin
1875027
Beilstein Reference
4-09-00-03804

Properties.
Formula
C10H2N4
Formula mass
178.15
Melting point, °C
272
Boiling point, °C
374
Density
1.372 g/cm3
Partition coefficient, pKow
2.17

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use only in a chemical fume hood.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish 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
Chronic inhalation may cause effects similar to those of acute inhalation.
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
The toxicological properties of this substance have not been fully investigated. Similar compounds have caused asthma, cough, wheezing, shortness of breath, anemia, weakness chills, fever, aching muscles and joints. May lead to restrictive lung disease.
   Skin
No information reported.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. Wash mouth out with water.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

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