Product Identification

Product Name

2-Ethyl-5-methylpyrazine

Synonyms

2-Methyl-5-ethylpyrazine

CAS

13360-64-0

Formula

C7H10N2

Molecular Weight

122.19

EINECS

236-416-6

RTECS

UQ3335500

RTECS Class

Other

Beilstein/Gmelin

956719

Beilstein Reference

5-23-05-00419

Physical and Chemical Properties

Solubility in water

Slightly soluble

Boiling Point

168 - 170

Vapor Pressure

1.92 (25 C)

Density

0.964 g/cm3 (25 C)

pKa/pKb

2.02 (pKa)

Heat Of Vaporization

39 kJ/mol

Usage

Flavoring additive.

Refractive Index

1.4925 (25 C)

First Aid Measures

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.

Handling and Storage

Storage

Keep tightly closed. Keep away from heat and open flame.

Hazards Identification

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.

Ingestion

Harmful if swallowed.

Hazards

Emits toxic fumes under fire conditions. Combustible liquid.

EC Risk Phrase

22 36/37/38

EC Safety Phrase

26 36

UN (DOT)

1993

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Harmful. Harmful if swallowed. Irritating to eyes, respiratory system and skin. Combustible.

Fire Fighting Measures

Flash Point

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.

Accidental Release Measures

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 and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

1993

Hazard Class

3

Packing Group

III