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| IUPAC name : | 2,3,5,6-tetramethylpyrazine |
| InChI : | InChI=1/C8H12N2/c1-5-6(2)10-8(4)7(3)9-5/h1-4H3 |
| InChIKey : | FINHMKGKINIASC-UHFFFAOYAV |
| SMILES : | CC1=C(N=C(C(=N1)C)C)C |
| (EINECS) number : | 214-391-2 |
| cas number : | 1124-11-4 |
| fema number : | 3237 |
| coe number : | 734 |
| jecfa number : | 780 |
| fl. number : | 14.018 |
| molar refractivity : | 41.73 ± 0.3 cm3 |
| parachor : | 346.1 ± 4.0 cm3 |
| index of refraction : | 1.503 ± 0.02 |
| surface tension : | 36.3 ± 3.0 dyne/cm |
| density : | 0.966 ± 0.06 g/cm3 |
| polarizability : | 16.54 ± 0.5 10-24cm3 |
| xlogp : | 1.30 |
| molecular weight : | 136.1942800 |
| formula : | C8 H12 N2 |
| BioActivity Analysis : | 8139962 |
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| fda reg : | unspecified |
h. number : | 2933.90 |
| organoleptics : | |
| odor type : | nutty |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in dipropylene glycol. | musty nutty chocolate coffee cocoa soybean lard burnt |
| taste description³ : | at 150.00 ppm. Nutty, musty, cocoa, drying, peanut-like and raw coffee notes |
| properties : | |
| appearence : | white crystals |
| assay : | 98.00 - 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| melting point : | 85.00 - 90.00 °C. @ 760.00 mm Hg
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| boiling point : | 190.00 °C. @ 760.00 mm Hg
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| logp : | 1.28 |
| safety : | |
| most important hazard(s) : |
Xn - Harmful. |
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| Oral Toxicity(LD50) : |
Oral-Rat 1910.00 mg/kg DCTODJ 3,249,1980
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| Dermal Toxicity(LD50) : |
Not determined
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| flash point ( Deg. F. ) : | > 200.00 °F. TCC ( > 93.33 °C. )
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| recommendation for 2,3,5,6-tetramethyl pyrazine usage levels up to : | | | 0.6000 % in the fragrance concentrate.
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| recommendation for 2,3,5,6-tetramethyl pyrazine usage levels up to : | | | 150.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 214-391-2 |
| rtecs : | UQ3905000 for 1124-11-4 |
| chemidplus : | 001124114 |
| epa-srs : | 1124-11-4 |
| dtp/nci : | 46451 |
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| other : | |
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| references : | |
| pubchem : | 157583 |
| NIST Chemistry WebBook : | 2346072466 |
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| reference : | Mosciano, Gerard P&F 22, No. 2, 69, (1997)³ |
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| synonyms : |
| | tetramethyl pyrazine | | 2,3,5,6- | tetramethyl pyrazine | | | tetrapyrazine |
| soluble in : |
| | alcohol | | | fixed oils | | | propylene glycol | | | water, 7010 mg/L @ 25C |
| stability : |
| | alcoholic fine fragrance, good | | | antiperspirant, good | | | fabric softener, good | | | hypochlorite bleach, poor | | | liquid detergent, good | | | perborate powder detergent, good | | | soap, good | | | toiletry application, good |
| (odor and/or flavor) used in : |
| | chocolate cocoa | | | coffee | | | galbanum | | | guava | | | lard | | | nut filbert | | | nut macadamia | | | nut peanut | | | soybean | | | sugar brown sugar | | | tea green tea |
| natural occurrence in : |
| beef roasted beef |
| cheese cheddar cheese |
| cocoa products |
| coffee |
| dairy products |
| egg boiled egg |
| filbert |
| galbanum |
| guava |
| macadamia nut |
| meat |
| peanut |
| rum |
| shrimp |
| soy products |
| tea green tea |
| whiskey |
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