nutty quinoxaline
 
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IUPAC name :5,6,7,8-tetrahydroquinoxaline
InChI :InChI=1/C8H10N2/c1-2-4-8-7(3-1)9-5-6-10-8/h5-6H,1-4H2
InChIKey :XCZPDOCRSYZOBI-UHFFFAOYAW
SMILES :C1CCC2=NC=CN=C2C1
(EINECS) number :252-002-8
cas number :34413-35-9
fema number :3321
coe number :721
jecfa number :952
fl. number :14.015
molar refractivity :39.22 ± 0.3 cm3
parachor :321.8 ± 4.0 cm3
index of refraction :1.552 ± 0.02
surface tension :47.3 ± 3.0 dyne/cm
density :15.54 ± 0.06 g/cm3
xlogp : 0.80
molecular weight : 134.1784000
formula :C8 H10 N2
 
 
fda reg :unspecified h. number :2933.90
organoleptics : 
odor type :nutty
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
musty nut roasted bean cereal cracker corn cheese
taste description³ :at 10.00 ppm.  
Nutty, musty, corn taco and popcorn-like
properties : 
appearence :colorless to amber clear liquid
assay : 97.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.07500 - 1.08100 @ 20.00 °C.
pounds per gallon - calc. : 8.956 to 9.005
refractive index :1.54200 - 1.54600 @ 20.00 °C.
melting point : 30.00 °C. @ 760.00 mm Hg
boiling point : 108.00 - 111.00 °C. @ 760.00 mm Hg
boiling point : 85.00 °C. @ 3.00 mm Hg
logp : 1.41
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 195.00  °F.  TCC  ( 90.56 °C. )
  
recommendation for nutty quinoxaline usage levels up to :
  0.1000 % in the fragrance concentrate.
  
recommendation for nutty quinoxaline usage levels up to :
  10.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :252-002-8
chemidplus :034413359
epa-srs :34413-35-9
  
other : 
 
references : 
jecfa number :952
fl. number :14.015
pubchem :178268
NIST Chemistry WebBook :3713001456
  
reference : Mosciano, Gerard P&F 19, No. 2, 55, (1994)³
synonyms :
 cyclohexapyrazine
 nutty quinoxaline
 tetrahydroquinoxaline
5,6,7,8-tetrahydroquinoxaline
soluble in :
 alcohol
 water, slightly
(odor and/or flavor) blends with :
2-acetyl furan
2-acetyl pyrazine
2-acetyl pyrrole
 acetyl pyrroline
2-acetyl-2-thiazoline
3-acetyl-2,5-dimethyl furan
2-acetyl-3-ethyl pyrazine
2-acetyl-3-methyl pyrazine
isoamyl phenyl acetate
para-anisaldehyde
para-anisyl alcohol
 beeswax absolute
 bois de rose oil
 bran absolute
isobutyl cinnamate
 caramel furanone
 cassia bark oil
 clove bud oil
3,6-cocoa pyrazine
 coffee furanone
 cyclohexyl methyl pyrazine
 diacetyl
2,5-diethyl thiazole
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
 dimethyl dihydrocyclopentapyrazine
2,6-dimethyl pyridine
 dimethyl sulfide
2,5-dimethyl thiazole
4,5-dimethyl thiazole
 ethyl cinnamate
 ethyl phenyl acetate
2-ethyl pyrazine
 ethyl vanillin
 filbert heptenone
 filbert pyrazine
 furfuryl thioacetate
 hazelnut pyrazine
2-heptyl furan
 immortelle absolute
 maltol
 menthofuran
alpha-methyl cinnamaldehyde
 methyl cinnamate
 methyl cyclopentenolone
2-methyl piperidine
5-methyl quinoxaline
gamma-nonalactone
gamma-octalactone
 phenyl acetic acid
3-phenyl propyl alcohol
 popcorn pyrimidine
2-propionyl thiazole
2-propionyl-2-thiazoline
 strawberry furanone
 sulfuryl butyrate
 sulfuryl decanoate
 sulfuryl formate
 sulfuryl hexanoate
 sulfuryl isobutyrate
 sulfuryl octanoate
 sulfuryl propionate
2,3,5,6-tetramethyl pyrazine
 tonka bean absolute
 vanilla absolute
 vanillyl acetate
 vinyl sulfurol
 yeast thiazoline
(odor and/or flavor) used in :
 bread
 caramel
 cheese
 chocolate cocoa
 corn
 corn chip
 meat
 nut filbert
 nut peanut
 nut pecan
 nut sesame
 nut walnut
 popcorn
 potato
 vanilla
natural occurrence in :
cocoa
coffee
filbert
peanut
sesame seed



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