| Product Identification | Back to Contents | 【Product Name】
2,3-Dimethylpyrazine | 【Synonyms】
Pyrazine, 2,3-dimethyl- | 【CAS】
5910-89-4 | 【Formula】
C6H8N2 | 【Molecular Weight】
108.14 | 【EINECS】
227-630-0 | 【RTECS】
UQ2625000 | 【RTECS Class】
Other | 【Beilstein/Gmelin】
107908 | 【Beilstein Reference】
5-23-05-00492 | 【EC Class】
flammable, harmful |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Clear, yellow liquid. with a nutty odor. | 【Solubility in water】
Miscible. | 【Melting Point】
-12 | 【Boiling Point】
156 | 【Vapor Pressure】
30 (20 C) | 【Density】
1.022 g/cm3 (25 C) | 【pKa/pKb】
12.03 (pKb) | 【Usage】
A component of the aroma of roasted sesame seeds. | 【Refractive Index】
1.51 (20 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Get medical aid immediately. 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】
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. |
| Handling and Storage | Back to Contents | 【Storage】
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. | 【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. |
| Hazards Identification | Back to Contents | 【Ingestion】
Harmful if swallowed. | 【Inhalation】
May cause irritation. | 【Skin】
May cause irritation. | 【Eyes】
May cause irritation. | 【Hazards】
Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. | 【EC Risk Phrase】
R 10 22 | 【EC Safety Phrase】
S 23 36/37 | 【UN (DOT)】
1993 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal 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. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
54 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. In case of fire use water spray, dry chemical, carbon dioxide, orchemical foam. | 【Fire Potential】
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Make no contact with the spilled material. ELIMINATE all ignition sources and ground all equipment. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean non-sparking tools to collect absorbed material. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
5 | 【Incompatibilities】
Keep away from strong oxidizing agents, strong acids. | 【Stability】
No data. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
| Company Name: |
TAIYUAN RHF CO.,LTD. |
| Tel: |
+86 351 7031519 |
| Fax: |
+86 351 7031519 |
| WebSite: |
www.rhfchem.com |
|