2-Acetyl-3-methylpyrazine
- CAS NO.：23787-80-6
- Empirical Formula: C7H8N2O
- Molecular Weight: 136.15
- MDL number: MFCD00014612
- EINECS: 245-889-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 2-Acetyl-3-methylpyrazine?
Chemical properties
CLEAR SLIGHTLY YELLOW LIQUID
Chemical properties
2-Acetyl-3-methylpyrazine has a roasted, nutty, grain-roasted potato odor. It is one of the most important pyrazines for hazelnut or filbert nut flavors. The flavor is less burnt than most of the pyrazines
Occurrence
Reported present in cocoa, coffee, meat, clams, scallops, pork (cured, fried) and French fries.
Definition
ChEBI: 2-Acetyl-3-methylpyrazine is an aromatic ketone.
Aroma threshold values
Detection 0.02 (water)
Properties of 2-Acetyl-3-methylpyrazine
| Boiling point: | 90 °C20 mm Hg(lit.) |
| Density | 1.114 g/mL at 25 °C(lit.) |
| FEMA | 3964 | 2-ACETYL-3-METHYLPYRAZINE |
| refractive index | n |
| Flash point: | 176 °F |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| form | clear liquid |
| pka | 0.56±0.10(Predicted) |
| color | Light yellow to Yellow to Orange |
| Specific Gravity | 1.1100 |
| Odor | at 0.10 % in dipropylene glycol. nutty nut flesh roasted hazelnut toasted grain corn chip vegetable nut skin caramellic |
| Sensitive | Light Sensitive |
| JECFA Number | 950 |
| BRN | 742438 |
| CAS DataBase Reference | 23787-80-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Acetyl-3-methylpyrazine(23787-80-6) |
| EPA Substance Registry System | Ethanone, 1-(3-methylpyrazinyl)- (23787-80-6) |
Safety information for 2-Acetyl-3-methylpyrazine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Acetyl-3-methylpyrazine
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