2,5-Dimethylpyridine

  • 2,5-Lutidine
Formula
C7H9N
Structure
Description
Colorless liquid.

Registry Numbers and Inventories.
CAS
589-93-5
EC (EINECS/ELINCS)
209-666-9
RTECS
OK9625000
RTECS class
Other
Beilstein/Gmelin
1514
Beilstein Reference
5-20-06-00027
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C7H9N
Formula mass
107.17
Melting point, °C
-15.3
Boiling point, °C
143
Vapor pressure, mmHg
3.5 (25 C)
Critical temperature
373
Critical pressure
38.00
Density
0.9346 g/cm3 (15 C)
Solubility in water
Slightly soluble
Refractive index
1.4961 (20 C)
pKa/pKb
7.76 (pKb)
Partition coefficient, pKow
1.665
Heat of vaporization
37.8 kJ/mol
Heat of combustion
-4061 kJ/mol

Hazards and Protection.
Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area.
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
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
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.
Stability
No data.
Incompatibilities
Avoid exposure to acids, oxidizing agents, acid chlorides, chloroformates.

Fire.
Flash Point,°C
48
Fire fighting
Wear a self-contained breathing apparatus inpressure-demand, MSHA/NIOSH (approved or equivalent), and fullprotective gear. To fight fire, use foam, dry chemical, or carbon dioxide.
Fire potential
Flammable Liquid.
Hazards
Vapors can travel to a source of ignition and flashback.

Health.
Exposure effects
   Ingestion
Harmful if swallowed
   Inhalation
Causes irritation.
   Skin
Causes irritation.
   Eyes
Causes 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. Get medical aid.
   Skin
Get medical aid. 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. Get medical aid.

Transport.