2，3，5 ，6 tetramethyl pyrazine eu natual
Formula : C8H12N2 M.W. 136.19
CAS.NO. 1124-11-4 FEMA:3237
| Parameter | Specification |
| Appearance | White to off-white crystalline powder |
| Odor | Cocoa,Coffee,Green,Mocha,Roast |
| Content | ≥98.5% |
| Melting Point(℃) | 77-85 |
| Loss on Drying(%) | ≤0.5 |
| Residue on lgnition(%) | ≤0.1 |
| Heavy Metals(as Pb,ppm) | ≤10 |
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