2-Pyridinol

  • 2-Hydroxypyridine
  • 1H-Pyridin2-one
  • 2-Pyridone
Formula
C5H5NO
Structure
Description
White powder.

Registry Numbers and Inventories.
CAS
72762-00-6
EC (EINECS/ELINCS)
276-824-1
36/37/38
Beilstein/Gmelin
757105
Beilstein Reference
5-21-07-00106
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C5H5NO
Formula mass
95.10
Melting point, °C
107
Boiling point, °C
281
Vapor pressure, mmHg
0.0009 (25 C)
Solubility in water
Very soluble
pKa/pKb
3.50 (pKb)
Partition coefficient, pKow
-0.56
Heat of vaporization
55.6 kJ/mol

Hazards and Protection.
Storage
Store at 15 - 25 C in a tightly closed container and dry location.
Protection
Clothing should be selected that is specific for the work place. The resistance of the protective clothing should be ascertained with respect to the manufacturer. Protective gloves, eye goggles and clothing should be used.
Respirators
Required when dusts are generated.
Small spills/leaks
Take up dry. Forward for disposal. Clean up affected area and avoid generation of dust.
Disposal code
3
Incompatibilities
Avoid contact with strong oxidizing agents.

Fire.
Flash Point,°C
132
Fire fighting
Extinguish using water, carbon dioxide, foam or powder. Do not stay in the area without self-contained breathing apparatus.
Combustion products
Oxides of nitrogen.

Health.
Exposure effects
Irritating to eyes, skin and the respiratory system.

First aid
 
   Ingestion
Have victim drink plenty of water, induce vomiting, seek medical assistance.
   Inhalation
Move to fresh air.
   Skin
Wash with plenty of water. Remove contaminated clothing.
   Eyes
Rinse with plenty of water with the eyelid held wide open. Seek medical assistance.

Transport.
HS Code
2933 39 99