| 2-Ethyl-3-methylpyrazine Basic information |
| Product Name: | 2-Ethyl-3-methylpyrazine |
| Synonyms: | 2-ethyl-3-methyl-pyrazin;Pyrazine, 3-ethyl-2-methyl;2-ETHYL-3-METHYLPYRAZINE;2-METHYL-3-ETHYLPYRAZINE;3-ETHYL-2-METHYLPYRAZINE;3-METHYL-2-ETHYLPYRAZINE;ETHYL-3-METHYLPYRAZINE,2-;FEMA NUMBER 3155 |
| CAS: | 15707-23-0 |
| MF: | C7H10N2 |
| MW: | 122.17 |
| EINECS: | 239-799-8 |
| Product Categories: | Mono- & Polyalkylpyrazines;pyrazine Flavor;Pyrazine;Alphabetical Listings;E-F;Flavors and Fragrances;Pyrazines |
| Mol File: | 15707-23-0.mol |
| 2-Ethyl-3-methylpyrazine Chemical Properties |
| Boiling point | 57 °C10 mm Hg(lit.) |
| density | 0.987 g/mL at 25 °C |
| vapor pressure | 1.74hPa at 20℃ |
| FEMA | 3155 | 2-ETHYL-3-METHYLPYRAZINE |
| refractive index | n |
| Fp | 138 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | sparingly soluble |
| form | neat |
| pka | 1.94±0.10(Predicted) |
| color | Colorless to Light yellow |
| Specific Gravity | 0.987 |
| Water Solubility | sparingly soluble |
| JECFA Number | 768 |
| BRN | 956775 |
| LogP | 1.42 at 25℃ |
| CAS DataBase Reference | 15707-23-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrazine, 2-ethyl-3-methyl-(15707-23-0) |
| EPA Substance Registry System | Pyrazine, 2-ethyl-3-methyl- (15707-23-0) |
| Safety Information |
| Hazard Codes | Xn,Xi |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-24/25 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | UQ3335000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29339900 |
| MSDS Information |
| Provider | Language |
|---|---|
| 2-Ethyl-3-methylpyrazine | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| 2-Ethyl-3-methylpyrazine Usage And Synthesis |
| Chemical Properties | clear colorless to slightly yellow liquid |
| Chemical Properties | 2-Ethyl-3-methylpyrazine has a strong, raw-potato, roasted, earthy odor. |
| Occurrence | Reported found in bakery products, roasted barley, coffee, peanuts, filberts, potato products, soy products, roasted and fried chicken, beef, pork, beer, rum, cocoa, coffee, tea, malt, shrimp and crayfish. |
| Uses | 2-Ethyl-3-methylpyrazine is used in preparation of Chinese chestnut pyrolyzate and their application to e-cigarette. |
| Uses | Food additive. |
| Preparation | By condensation of ethylenediamine with 2,3-pentanedione. |
| Aroma threshold values | Detection: 2 ppm (130 ppb in water) |
| Taste threshold values | Taste characteristics at 10 ppm: nutty, peanut, musty corn-like with raw and oily nuances. |
| Hazard | Moderately toxic by ingestion. |
| Flammability and Explosibility | Notclassified |
| Safety Profile | Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes. |
| 2-Ethyl-3-methylpyrazine Preparation Products And Raw materials |
| Raw materials | Ethylenediamine-->Acetylacetone |
| Preparation Products | 2-Acetyl-3-ethylpyrazine |
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