2,6-Dimethylpyrazine
- CAS NO.：108-50-9
- Empirical Formula: C6H8N2
- Molecular Weight: 108.14
- MDL number: MFCD00006148
- EINECS: 203-589-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:18
What is 2,6-Dimethylpyrazine?
Chemical properties
PALE YELLOW LOW MELTING CRYSTALLINE SOLID
Chemical properties
2,6-Dimethylpyrazine has a nutty, coffee-like odor.
Occurrence
Reported found in cocoa products, coffee, diary products, peanuts, pecans, filberts, potato products, rum, whiskey, soy products, tomato puree, baked potato, cooked beef and chicken, mushroom, roasted barley, roasted pecan, tea, and Virginia tobacco; reported found in grilled beef; also a volatile flavor component of potato chips. Also reported found in cheeses, tamarind, coriander seed and corn tortilla
The Uses of 2,6-Dimethylpyrazine
2,6-Dimethylpyrazine is used Preparation of chocolate, coffee, meat and nuts and other flavors
Preparation
By condensation of 1,2-diaminopropane, followed by column chromatography to separate the 2,6-methylpyrazine from the 2,5-dimethylpyrazine.
Definition
ChEBI: 2,6-Dimethylpyrazine is a member of pyrazines.
Aroma threshold values
Detection: 400 to 1500 ppb. Aroma characteristics at 1.0%: musty, cocoa powdery, tobacco, dry leaf tea, earthy mushroom cap and potato-like, meaty, roasted peanut shell, and coffee.
Taste threshold values
Taste characteristics at 5.0 ppm: musty and earthy, nutty peanut shell, cocoa powdery, earthy coffee, yeasty, woody, milk roasted peanut.
Properties of 2,6-Dimethylpyrazine
| Melting point: | 35-40 °C(lit.) |
| Boiling point: | 154 °C(lit.) |
| Density | 0.965(50.0000℃) |
| refractive index | 1.5000 |
| FEMA | 3273 | 2,6-DIMETHYLPYRAZINE |
| Flash point: | 127 °F |
| storage temp. | -20°C |
| solubility | Chloroform, Methanol (Slightly) |
| form | Low Melting Crystalline Solid |
| pka | 2.49±0.10(Predicted) |
| color | Pale yellow |
| PH | 7 (H2O, 20℃) |
| Odor | at 10.00 % in dipropylene glycol. ethereal cocoa nutty roasted roasted meaty beefy brown coffee buttermilk |
| Water Solubility | Soluble in water. |
| JECFA Number | 767 |
| BRN | 1726 |
| Dielectric constant | 2.6499999999999999 |
| CAS DataBase Reference | 108-50-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrazine, 2,6-dimethyl-(108-50-9) |
| EPA Substance Registry System | Pyrazine, 2,6-dimethyl- (108-50-9) |
Safety information for 2,6-Dimethylpyrazine
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H228:Flammable solids H302:Acute toxicity,oral H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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 2,6-Dimethylpyrazine
2,6-Dimethylpyrazine manufacturer
Triveni Interchem Private Limited (Group Of Triveni Chemicals)
Gujarat
product: 2,6-Dimethylpyrazine (108-50-9) (C6H8N2), Purity: 95-98%, Grade: Industrial
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