2-Ethyl-5-methylpyrazine

  • 2-Ethyl-5(6)-methylpyrazine
  • 2-Methyl-5-ethylpyrazine
Formula
C7H10N2
Structure
Uses
Flavoring additive.

Registry Numbers and Inventories.
CAS
13360-64-0
EC (EINECS/ELINCS)
236-416-6
22 36/37/38
RTECS
UQ3335500
RTECS class
Other
UN (DOT)
1993
Beilstein/Gmelin
956719
Beilstein Reference
5-23-05-00419
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C7H10N2
Formula mass
122.19
Boiling point, °C
168 - 170
Vapor pressure, mmHg
1.92 (25 C)
Density
0.964 g/cm3 (25 C)
Solubility in water
Slightly soluble
Refractive index
1.4925 (25 C)
pKa/pKb
2.02 (pKa)
Heat of vaporization
39 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat and open flame.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Fire.
Flash Point,°C
63
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Hazards
Emits toxic fumes under fire conditions. Combustible liquid.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
2
 
 
Reactivity
0
 

Health.
Exposure effects
Harmful. Harmful if swallowed. Irritating to eyes, respiratory system and skin. Combustible.
   Ingestion
Harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material is irritating to
   Skin
Causes skin irritation. May be harmful if absorbed through the skin.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.
UN number
1993
Response guide
Hazard class
3
Packing Group
III