4-Phenylpyridine N-oxide

  • Pyridine, 4-phenyl-, 1-oxide
Formula
C11H9NO
Structure
Description
Orange crystalline powder.

Registry Numbers and Inventories.
CAS
1131-61-9
EC (EINECS/ELINCS)
214-467-5
Beilstein/Gmelin
121493
Beilstein Reference
5-20-07-00550
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C11H9NO
Formula mass
171.19
Melting point, °C
150-155
Partition coefficient, pKow
0.32

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
No data.
Incompatibilities
Strong oxidizing agents, acid chlorides, acid anhydrides.
Decomposition
Irritating and toxic fumes and gases.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use water spray, dry chemical, or carbon dioxide.

Health.
Exposure effects
   Ingestion
Expected to be a low ingestion hazard.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   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 eyelids. Get medical aid.

Transport.