shoyu pyrazine
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IUPAC name :2,3-diethylpyrazine
InChI :InChI=1/C8H12N2/c1-3-7-8(4-2)10-6-5-9-7/h5-6H,3-4H2,1-2H3
InChIKey :GZXXANJCCWGCSV-UHFFFAOYAX
SMILES :CCC1=NC=CN=C1CC
cas number :15707-24-1
(EINECS) number :239-800-1
fema number :3136
coe number :534
jecfa number :771
fl. number :14.005
molar refractivity :41.53 ± 0.3 cm3
parachor :348.7 ± 4.0 cm3
index of refraction :1.498 ± 0.02
surface tension :36.8 ± 3.0 dyne/cm
density :0.962 ± 0.06 g/cm3
polarizability :16.46 ± 0.5 10-24cm3
XlogP : 1.10
molecular weight : 136.1942800
formula :C8 H12 N2
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Endeavour :2,3-Diethylpyrazine
99%
Frutarom :2,3-DIETHYLPYRAZINE
≥98.00%, NI, Kosher
Odor:  Green, Nutty, Pepper, Raw
Penta :2,3-diethyl pyrazine
Sigma-Aldrich-SAFC :2,3-Diethylpyrazine
≥98%, Kosher
Odor:  hazelnut; meaty; earthy
Tokyo Chemical Industry :2,3-Diethylpyrazine
>98.0%(GC)
Treatt :2,3-Diethylpyrazine

organoleptics :
odor type :nutty
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
raw nutty green pepper

properties :
appearence :pale yellow to yellow clear liquid
assay : 97.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.95400 to 0.96400 @ 25.00 °C.
pounds per gallon - calc. : 7.938 to 8.021
refractive index :1.49500 to 1.50100 @ 20.00 °C.
boiling point : 180.00 to 182.00 °C. @ 760.00 mm Hg
vapor pressure :0.19200 mm/Hg @ 25.00 °C.
vapor density :4.7 ( Air = 1 )
flash point : 159.00  °F.  TCC  ( 70.56 °C. )
logP (o/w) : 1.51

safety :
most important hazard(s) :Xi - Irritant
  R 36/37/38 - Irritating to eyes, respiratory system, and skin.
R 41 - Risk of serious damage to eyes.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable gloves and eye/face protection.
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :1.60 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :1.00 (μg/capita/day)
 
recommendation for shoyu pyrazine usage levels up to :
  0.0500 % in the fragrance concentrate.
recommendation for shoyu pyrazine usage levels up to :
  10.0000 ppm in the flavor.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :3
 
 
 
 2,3-diethylpyrazine
(EINECS) number :239-800-1
chemidplus :015707241
EPA Substance Registry Services :15707-24-1

references :
 2,3-diethylpyrazine
fl. number :14.005
jecfa number :771
NIST Chemistry WebBook :3357863326
pubchem :170052

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
2,3-diethyl pyrazine
2,3-diethylpyrazine
 terrazome

soluble in :
 alcohol
 water, 4460 mg/L @ 25C

stability :
 stable in most media

(odor and/or flavor) blends with :
 acetyl acetaldehyde dimethyl acetal
 acetyl propionyl
2-acetyl pyrazine
3-acetyl pyridine
2-acetyl pyrrole
 acetyl pyrroline
2-acetyl thiazole
2-acetyl-2-thiazoline
5-acetyl-2,3-dihydro-1,4-thiazine
3-acetyl-2,5-dimethyl furan
2-acetyl-3-ethyl pyrazine
2-acetyl-3-methyl pyrazine
2-acetyl-3,5-dimethyl pyrazine
2-acetyl-5-methyl furan
 allyl 2-ethyl butyrate
isoamyl nonanoate
alpha-angelica lactone
 benzothiazole
 bornyl isobutyrate
 boronia butenal
2-isobutyl-3-methoxypyrazine
2-sec-butyl-3-methoxypyrazine
 butyramide
 butyroin
 chocolate pyrazine A
 chocolate pyrazine B
 cocoa pyrazine
3,6-cocoa pyrazine
 coconut absolute
 coffee furanone
 cortex pyridine
 coumane
 coumarin
para-cresyl laurate
 cyclamen aldehyde
 cyclohexyl methyl pyrazine
(E,E)-2,4-decadien-1-al
2,5-diethyl thiazole
3,5-diethyl-2-methyl pyrazine
2,5-diethyl-3-methyl pyrazine
2,5-diethyl-4-methyl thiazole
 difurfuryl ether
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
 dihydroxyacetophenone
 dimethyl dihydrocyclopentapyrazine
2,3-dimethyl pyrazine
2,5-dimethyl pyrazine
2,6-dimethyl pyridine
2,5-dimethyl thiazole
4,5-dimethyl thiazole
2,5-dimethyl thiophene
4,5-dimethyl-2-ethyl-3-thiazoline
2,4-dimethyl-5-vinyl thiazole
2-ethoxythiazole
 ethyl 2-hydroxy-2-methyl butyrate
2-ethyl pyrazine
1-ethyl-2-acetyl pyrrole
5-ethyl-2-methyl pyridine
2-ethyl-3-methoxypyrazine
2-ethyl-4-methyl thiazole
(Z+E)-5-ethyl-4-methyl-2-(2-butyl) thiazoline
(Z+E)-5-ethyl-4-methyl-2-(2-methyl propyl) thiazoline
 filbert heptenone
 filbert pyrazine
 furfuryl thioacetate
3-(2-furyl) acrolein
 galbanum decatriene
 galbanum oleoresin
 galbanum resinoid
 green pea pyrazine
 hazelnut oleoresin
 hazelnut pyrazine
(E,E)-2,4-heptadien-1-ol
gamma-heptalactone
2-heptyl furan
2,4-hexadien-1-ol
3,4-hexane dione
 hexyl pivalate
2-hexyl-5 or 6-keto-1,4-dioxane
4-hydroxybenzoic acid
 maraniol
 menthofuran
2-methoxy-3-propyl pyrazine
2-methoxypyrazine
 methyl 2-(methyl thio) acetate
2-methyl anisole
para-methyl anisole
2-methyl butyraldehyde
 methyl heptenone
2-methyl pyrazine
2-methyl quinoxaline
5-methyl quinoxaline
4-methyl thiazole
2-methyl thio-3,5 or 6-methyl pyrazine
2-(methyl thio) acetaldehyde
 methyl valerate
3-methyl-2-buten-1-al
2-methyl-3-(methyl thio) pyrazine
2-methyl-3-propyl pyrazine
2-methyl-3,(5 or 6)-ethoxypyrazine
2-methyl-5-isopropyl pyrazine
(E,E)-2,4-nonadien-1-al
(E,Z)-3,6-nonadien-1-ol
(E,Z)-2,6-nonadien-1-yl acetate
 nutty cyclohexenone
 nutty quinoxaline
 nutty thiazole
 octyl 2-methyl butyrate
 peanut dithiazine
 peanut oxazole
 popcorn pyrimidine
 propionaldehyde
2-propionyl thiazole
2-propionyl-2-thiazoline
 propyl benzoate
isopropyl pyrazine
2-propyl pyridine
 saffron pyranone
 sandalwood oil
 sulfuryl butyrate
 sulfuryl decanoate
 sulfuryl formate
 sulfuryl hexanoate
 sulfuryl isobutyrate
 sulfuryl octanoate
 sulfuryl propionate
(E)-2-tetradecen-1-al
 tetrahydrofurfuryl butyrate
2,3,5,6-tetramethyl pyrazine
(E)-tiglic aldehyde
 tobacco butenal
 tonka bean absolute
 tonka bean resinoid
2,3,5-trimethyl pyrazine
 tropical thiazole
 valeraldehyde
 valeraldehyde dibutyl acetal
 valeraldehyde propylene glycol acetal
2-vinyl pyrazine
 vinyl sulfurol
 whiskey lactone

(odor and/or flavor) used in :
 bean
 chocolate
 chocolate cocoa
 coffee
 earth humus
 mushroom
 nut
 nut filbert
 nut hazelnut
 nut peanut
 potato

natural occurrence in :
bread white bread
cocoa
filbert roasted filbert
hazelnut roasted hazelnut
potato baked potato
shoyu



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