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| IUPAC name : | 2-ethenylpyrazine |
| InChI : | InChI=1/C6H6N2/c1-2-6-5-7-3-4-8-6/h2-5H,1H2 |
| InChIKey : | KANZWHBYRHQMKZ-UHFFFAOYAC |
| SMILES : | C=CC1=NC=CN=C1 |
| cas number : | 4177-16-6 |
| (EINECS) number : | 224-045-2 |
| coe number : | 11370 |
| fl. number : | 14.151 |
| molar refractivity : | 33.35 ± 0.3 cm3 |
| parachor : | 260.5 ± 4.0 cm3 |
| index of refraction : | 1.568 ± 0.02 |
| surface tension : | 42.8 ± 3.0 dyne/cm |
| density : | 1.042 ± 0.06 g/cm3 |
| polarizability : | 13.22 ± 0.5 10-24cm3 |
| XlogP : | 0.60 |
| molecular weight : | 106.1252400 (IUPAC) |
| formula : | C6 H6 N2 |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | unspecified |
Suppliers :
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| Endeavour : | 2-Vinylpyrazine
98% |
| Penta : | 2-vinyl pyrazine
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| Penta : | 2-vinyl pyrazine
10% in propylene glycol |
| Tokyo Chemical Industry : | 2-Vinylpyrazine
>98.0%(GC) (stabilized with TBC) |
organoleptics :
|
odor description:
| nutty |
properties :
|
| Food Chemicals Codex Listed : | No |
| specific gravity : | 1.05200 @ 20.00 °C.
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| refractive index : | 1.55300 @ 20.00 °C.
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| boiling point : | 76.00 °C. @ 30.00 mm Hg
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| boiling point : | 158.00 to 159.00 °C. @ 760.00 mm Hg
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| flash point : | 140.00 °F. TCC ( 60.00 °C. )
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| logP (o/w) : | 0.58 |
safety :
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| Oral Toxicity(LD50) : | | | |
Not determined
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| Dermal Toxicity(LD50) : | | | |
Not determined
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| Inhalation Toxicity(LC50) : | | | |
Not determined
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safety in use :
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| Category : | flavoring agents |
| |
| recommendation for 2-vinyl pyrazine fragrance usage levels up to : | | | not for fragrance use.
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safety references :
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| EPI System : | view |
| Canada Domestic Sub. List : | Yes |
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| | | |
| | 2-ethenylpyrazine |
| (EINECS) number : | 224-045-2 |
| chemidplus : | 004177166 |
| EPA Substance Registry Services : | 4177-16-6 |
references :
|
| | 2-ethenylpyrazine |
| fl. number : | 14.151 |
| NIST Chemistry WebBook : | 1514605402 |
| pubchem : | 654897 |
other :
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| VCF-Online: | VCF Volatile Compounds in Food |
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synonyms :
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| | ethenyl pyrazine | | 2- | ethenylpyrazine | | | vinyl pyrazine |
soluble in :
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| | alcohol |
insoluble in :
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| | water |
potential blenders : note
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| | acetal | FL/FR |
| | acetyl acetaldehyde dimethyl acetal | FL |
| | acetyl propionyl | FL/FR |
| 2- | acetyl pyrazine | FL/FR |
| 3- | acetyl pyridine | FL/FR |
| 2- | acetyl pyrrole | FL/FR |
| | acetyl pyrroline | FL |
| 2- | acetyl thiazole | FL/FR |
| 2- | acetyl-2-thiazoline | FL |
| 5- | acetyl-2,3-dihydro-1,4-thiazine | FL |
| 3- | acetyl-2,5-dimethyl furan | FL/FR |
| 2- | acetyl-3-ethyl pyrazine | FL |
| 2- | acetyl-3-methyl pyrazine | FL/FR |
| 2- | acetyl-3,5-dimethyl pyrazine | FL/FR |
| 2- | acetyl-5-methyl furan | FL/FR |
| | aconitic acid | FL |
| | allyl 2-ethyl butyrate | FL |
| iso | amyl nonanoate | FL/FR |
| alpha- | angelica lactone | FL/FR |
| | benzothiazole | FL |
| | bornyl isobutyrate | FL/FR |
| | boronia butenal | FR |
| | butyramide | FL |
| | butyroin | FL |
| | chocolate pyrazine A | FL/FR |
| | chocolate pyrazine B | FL |
| | cocoa pyrazine | FL/FR |
| 3,6- | cocoa pyrazine | FL |
| | coconut absolute | FL/FR |
| | coffee furanone | FL |
| | coumane | FL/FR |
| | coumarin | FR |
| para- | cresyl laurate | FL/FR |
| | cyclohexyl methyl pyrazine | FL |
| (E,E)-2,4- | decadien-1-al | FL/FR |
| 2,5- | diethyl thiazole | FL |
| 3,5- | diethyl-2-methyl pyrazine | FL |
| 2,5- | diethyl-3-methyl pyrazine | FL |
| 2,5- | diethyl-4-methyl thiazole | FL |
| | difurfuryl ether | FL |
| 6,7- | dihydro-2,3-dimethyl-5H-cyclopentapyrazine | FL |
| | dihydroxyacetophenone | FL |
| | dimethyl dihydrocyclopentapyrazine | FL |
| 2,3- | dimethyl pyrazine | FL/FR |
| 2,5- | dimethyl pyrazine | FL/FR |
| 2,6- | dimethyl pyridine | FL |
| 2,5- | dimethyl thiazole | FL |
| 4,5- | dimethyl thiazole | FL |
| 2,5- | dimethyl thiophene | FL |
| 4,5- | dimethyl-2-ethyl-3-thiazoline | FL |
| 2,4- | dimethyl-5-vinyl thiazole | FL |
| 2- | ethoxythiazole | FL |
| | ethyl 2-hydroxy-2-methyl butyrate | FL/FR |
| 2- | ethyl pyrazine | FL/FR |
| 1- | ethyl-2-acetyl pyrrole | FL |
| 5- | ethyl-2-methyl pyridine | FL |
| 2- | ethyl-3-methoxypyrazine | FL/FR |
| 2- | ethyl-4-methyl thiazole | FL/FR |
| (Z+E)-5- | ethyl-4-methyl-2-(2-butyl) thiazoline | FL |
| (Z+E)-5- | ethyl-4-methyl-2-(2-methyl propyl) thiazoline | FL |
| | filbert heptenone | FL/FR |
| | filbert pyrazine | FL |
| | furfuryl thioacetate | FL |
| 3-(2- | furyl) acrolein | FL |
| | hazelnut oleoresin | FL |
| | hazelnut pyrazine | FL/FR |
| (E,E)-2,4- | heptadien-1-ol | FL |
| gamma- | heptalactone | FL/FR |
| 2- | heptyl furan | FL |
| 2,4- | hexadien-1-ol | FL/FR |
| 3,4- | hexane dione | FL/FR |
| 2- | hexyl-5 or 6-keto-1,4-dioxane | FL |
| 4- | hydroxybenzoic acid | FL |
| | maraniol | CS |
| | menthofuran | FL/FR |
| 2- | methoxypyrazine | FL/FR |
| | methyl 2-(methyl thio) acetate | FL |
| 2'- | methyl acetophenone | FL/FR |
| 2- | methyl anisole | FL/FR |
| para- | methyl anisole | FL/FR |
| 2- | methyl butyraldehyde | FL |
| 2- | methyl pyrazine | FL/FR |
| 2- | methyl quinoxaline | FL |
| 5- | methyl quinoxaline | FL/FR |
| 4- | methyl thiazole | FL |
| 2- | methyl thio-3,5 or 6-methyl pyrazine | FL/FR |
| 2-( | methyl thio) acetaldehyde | FL |
| | methyl valerate | FL/FR |
| 3- | methyl-2-buten-1-al | FL/FR |
| 2- | methyl-3-(methyl thio) pyrazine | FL/FR |
| 2- | methyl-3-propyl pyrazine | FL/FR |
| 2- | methyl-3,(5 or 6)-ethoxypyrazine | FL |
| 2- | methyl-5-isopropyl pyrazine | FL |
| (E,E)-2,4- | nonadien-1-al | FL/FR |
| (E,Z)-2,6- | nonadien-1-yl acetate | FL/FR |
| | nutty cyclohexenone | FL/FR |
| | nutty quinoxaline | FL/FR |
| | nutty thiazole | FL |
| | peanut dithiazine | FL |
| | peanut oxazole | FL |
| | popcorn pyrimidine | FL/FR |
| | propionaldehyde | FL |
| 2- | propionyl thiazole | FL |
| 2- | propionyl-2-thiazoline | FL |
| | propyl benzoate | FL/FR |
| iso | propyl pyrazine | FL |
| 2- | propyl pyridine | FL |
| | pyrazines mixture | FL |
| | pyrrole | FL |
| | saffron pyranone | FR |
| | salicylic acid | CS |
| | sandalwood oil | FL/FR |
| | shoyu pyrazine | FL/FR |
| | sulfuryl butyrate | FL/FR |
| | sulfuryl decanoate | FL/FR |
| | sulfuryl formate | FL |
| | sulfuryl hexanoate | FL/FR |
| | sulfuryl isobutyrate | FL/FR |
| | sulfuryl octanoate | FL/FR |
| | sulfuryl propionate | FL/FR |
| 2,3,5,6- | tetramethyl pyrazine | FL/FR |
| | thiazole | FL |
| (E)- | tiglic aldehyde | FL/FR |
| | tobacco butenal | FR |
| | tonka bean absolute | FR |
| | tonka bean resinoid | FR |
| 2,4,5- | trimethyl oxazole | FL |
| 2,3,5- | trimethyl pyrazine | FL/FR |
| | tropical thiazole | FL/FR |
| | valeraldehyde | FL/FR |
| | valeraldehyde dibutyl acetal | FL/FR |
| | valeraldehyde propylene glycol acetal | FL/FR |
| | vinyl sulfurol | FL |
| | whiskey lactone | FL/FR |
potential uses :
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| | beef | | | coffee | | | nut | | | nut filbert | | | nut peanut |
natural occurrence in : note
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| | beef
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| | coffee
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| | filbert
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| | peanut
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