2-acetyl pyrazine
 
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IUPAC name :1-pyrazin-2-ylethanone
InChI :InChI=1/C6H6N2O/c1-5(9)6-4-7-2-3-8-6/h2-4H,1H3
InChIKey :DBZAKQWXICEWNW-UHFFFAOYAU
SMILES :CC(=O)C1=NC=CN=C1
(EINECS) number :244-753-5
cas number :22047-25-2
fema number :3126
coe number :2286
jecfa number :784
fl. number :14.032
molar refractivity :32.46 ± 0.3 cm3
parachor :280.7 ± 4.0 cm3
index of refraction :1.516 ± 0.02
surface tension :46.6 ± 3.0 dyne/cm
density :1.136 ± 0.06 g/cm3
polarizability :12.86 ± 0.5 10-24cm3
xlogp : -0.10
molecular weight : 122.1246400
formula :C6 H6 N2 O
 
 
fda reg :unspecified h. number :2933.90.8300
organoleptics : 
odor type :popcorn
odor strength :very high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
popcorn nutty corn chip bread crust chocolate hazelnut coffee
taste description³ :at 10.00 ppm.  
Roasted, nutty, bready and yeasty, with popcorn and corn chip nuances
substantivity :400  Hour(s)
properties : 
appearence :white to pale yellow crystals
assay : 99.00 - 100.00 %   
Food Chemicals Codex Listed :Yes
melting point : 75.00 - 78.00 °C. @ 760.00 mm Hg
logp : 0.20
shelf life : 24.00 month(s) or longer if stored properly.
storage :store in cool, dry place in tightly sealed containers, protected from heat and light.
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) :> 212.00  °F.  TCC  ( > 100.00 °C. )
  
recommendation for 2-acetyl pyrazine usage levels up to :
  0.0500 % in the fragrance concentrate.
  
recommendation for 2-acetyl pyrazine usage levels up to :
  10.0000 ppm in the flavor.
  
safety links : 
msds :msds
  
(EINECS) number :244-753-5
chemidplus :022047252
epa-srs :22047-25-2
dtp/nci :72374
  
other : 
  C of A
references : 
pubchem :172969
NIST Chemistry WebBook :1725064163
  
reference : Mosciano, Gerard P&F 17, No. 1, 41, (1992)³
synonyms :
 acetyl pyrazine
2-acetyl pyrazine
 methyl pyrazinyl ketone
 popcorn pyrazine
 pyrazin-1-yl ethan-1-one
soluble in :
 alcohol
 dipropylene glycol
 water, 66500 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) blends with :
 acetophenone
2-acetyl furan
2-acetyl pyridine
2-acetyl-2-thiazoline
 ambroxan
isoamyl benzoate
isoamyl phenyl acetate
 amyris wood oil
para-anisyl alcohol
 benzoin resinoid
 benzyl salicylate
 caramel furanone
 cassia bark oil
 coffee furanone
 currant bud absolute black
gamma-decalactone
 diacetyl
2,6-dimethyl pyridine
 ethyl maltol
 ethyl vanillin
 guaiacyl phenyl acetate
 heliotropin
 heliotropyl acetone
 immortelle absolute
 maltol
 mastic resin
 methyl cyclopentenolone
2-methyl undecanal
 ocean propanal
 phenyl acetic acid
3-phenyl propyl alcohol
 tonka bean absolute
 vanilla absolute
 verymoss
(odor and/or flavor) used in :
 acorn
 barley
 bread baked bread
 bread crisp bread
 bread crust
 bread rye bread
 bread wheat bread
 bread white bread
 cake
 chocolate cocoa
 coffee
 corn chip
 gingerbread
 graham cracker
 nut almond
 nut cashew
 nut filbert
 nut hazelnut
 nut peanut
 nut pecan
 nut pistachio
 nut roasted
 nut sesame
 pizza
 popcorn
 taco
 toasted
 wheat
natural occurrence in :
almond roasted almond
bread
cocoa
coffee
filbert
peanut
popcorn
potato chip
sesame oil



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