2,5-dimethyl pyrazine
 
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IUPAC name :2,5-dimethylpyrazine
InChI :InChI=1/C6H8N2/c1-5-3-8-6(2)4-7-5/h3-4H,1-2H3
InChIKey :LCZUOKDVTBMCMX-UHFFFAOYAI
SMILES :CC1=CN=C(C=N1)C
(EINECS) number :204-618-3
cas number :123-32-0
fema number :3272
coe number :2210
jecfa number :766
fl. number :14.020
molar refractivity :32.08 ± 0.3 cm3
parachor :270.8 ± 4.0 cm3
index of refraction :1.503 ± 0.02
surface tension :38.9 ± 3.0 dyne/cm
density :0.997 ± 0.06 g/cm3
polarizability :12.71 ± 0.5 10-24cm3
xlogp : 0.60
molecular weight : 108.1411200
formula :C6 H8 N2
 
 
fda reg :unspecified h. number :2935.90
organoleptics : 
odor type :chocolate
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
cocoa roasted nuts roast beef woody grass medical
taste description³ :at 7.50 ppm.  
Musty, potato, cocoa and nutty with a fatty and oily nuance
properties : 
appearence :colorless to pale yellow clear liquid
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :0.98500 - 0.99100 @ 25.00 °C.
pounds per gallon - calc. : 8.196 to 8.246
refractive index :1.49700 - 1.50100 @ 20.00 °C.
melting point : 15.00 °C. @ 760.00 mm Hg
boiling point : 154.00 - 156.00 °C. @ 760.00 mm Hg
logp : 0.63
safety : 
most important hazard(s) : Xn - Harmful.
  
Oral Toxicity(LD50) : Oral-Rat    1020.00  mg/kg    
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 130.00  °F.  TCC  ( 54.44 °C. )
  
recommendation for 2,5-dimethyl pyrazine usage levels up to :
  0.1000 % in the fragrance concentrate.
  
recommendation for 2,5-dimethyl pyrazine usage levels up to :
  10.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :204-618-3
rtecs :UQ2800000 for 123-32-0
chemidplus :000123320
epa-srs :123-32-0
dtp/nci :49139
  
other : 
 
references : 
pubchem :173291
NIST Chemistry WebBook :238725338
  
reference : Mosciano, Gerard P&F 21, No. 6, 49, (1996)³
synonyms :
2,5-dimethyl paradiazine
2,5-dimethyl piazine
2,5-dimethyl pyrazine
2,5-dimethyl-1,4-diazine
2,5-dimethylpyrazine
soluble in :
 alcohol
 water, 32000 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) used in :
 chocolate
 chocolate cocoa
 coffee
 fried
 green
 nut hazelnut
 nut peanut
 potato
 roasted
natural occurrence in :
beef roasted beef
beer
cocoa
coffee roasted coffee
kohlrabi
data pagelavender oil spike spain @ 0.187%
pork
potato chip
rum
shrimp



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