3,5-cocoa pyrazine
 
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IUPAC name :2-ethyl-3,5-dimethylpyrazine
InChI :InChI=1/C8H12N2/c1-4-8-7(3)10-6(2)5-9-8/h5H,4H2,1-3H3
InChIKey :JZBCTZLGKSYRSF-UHFFFAOYAR
SMILES :CCC1=NC=C(N=C1C)C
(EINECS) number :237-694-1
cas number :13925-07-0
beilstein number :0636984
fema number :3150
coe number :727
jecfa number :776
fl. number :14.024
molar refractivity :41.63 ± 0.3 cm3
parachor :347.4 ± 4.0 cm3
index of refraction :1.501 ± 0.02
surface tension :36.6 ± 3.0 dyne/cm
density :0.964 ± 0.06 g/cm3
polarizability :16.50 ± 0.5 10-24cm3
xlogp : 1.20
molecular weight : 136.1942800
formula :C8 H12 N2
 
 
fda reg :unspecified h. number :unspecified
organoleptics : 
odor type :nutty
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
burnt almonds roasted nuts coffee
taste description³ :at 2.00 ppm.  
Sweet, nutty, caramellic, coffee, corn, cocoa and potato
properties : 
appearence :colorless to pale yellow clear liquid
assay : 99.00 - 100.00 %   sum of isomers
Food Chemicals Codex Listed :No
specific gravity :0.95500 - 0.96400 @ 20.00 °C.
pounds per gallon - calc. : 7.956 to 8.031
refractive index :1.50000 - 1.50300 @ 20.00 °C.
boiling point : 180.00 - 182.00 °C. @ 760.00 mm Hg
logp : 1.63
safety : 
Oral Toxicity(LD50) : Oral-Rat    456.00  mg/kg    
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 156.00  °F.  TCC  ( 68.89 °C. )
  
recommendation for 3,5-cocoa pyrazine usage levels up to :
  0.1000 % in the fragrance concentrate.
  
recommendation for 3,5-cocoa pyrazine usage levels up to :
  10.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :237-694-1
chemidplus :013925070
epa-srs :13925-07-0
  
other : 
 
references : 
pubchem :169076
NIST Chemistry WebBook :3401110230
  
reference : Mosciano, Gerard P&F 22, No. 5, 67, (1997)³
synonyms :
3,5-cocoa pyrazine
2,6-dimethyl-3-ethyl pyrazine
3-ethyl-2,6-dimethyl pyrazine
2-ethyl-3,5-dimethyl pyrazine
soluble in :
 alcohol
 water
(odor and/or flavor) used in :
 almond
 bread
 burnt
 chicory root
 cocoa
 coffee
 meat
 nut
 peanut
 potato
 rum
 tobacco
natural occurrence in :
barley roasted barley
chicory root
coffee
data pagelavender oil spike spain @ 0.019%
peanut roasted peanut
potato
rum
whiskey



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