5-methyl quinoxaline
 
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IUPAC name :5-methylquinoxaline
InChI :InChI=1/C9H8N2/c1-7-3-2-4-8-9(7)11-6-5-10-8/h2-6H,1H3
InChIKey :CQLOYHZZZCWHSG-UHFFFAOYAX
SMILES :CC1=C2C(=CC=C1)N=CC=N2
(EINECS) number :237-246-5
cas number :13708-12-8
fema number :3203
coe number :2271
jecfa number :798
fl. number :14.028
molar refractivity :45.10 ± 0.3 cm3
parachor :337.0 ± 4.0 cm3
index of refraction :1.633 ± 0.02
surface tension :50.7 ± 3.0 dyne/cm
density :1.141 ± 0.06 g/cm3
polarizability :17.88 ± 0.5 10-24cm3
xlogp : 1.70
molecular weight : 144.1732200
formula :C9 H8 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.  
toasted roasted corn nutty coffee burnt
taste description³ :at 2.00 ppm.  
Nutty, roasted, peanut and pyrazine-like with a yeasty corn chip nuance
properties : 
appearence :amber to amber brown liquid to solid
assay : 99.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.11200 @ 25.00 °C.
refractive index :1.62000 @ 20.00 °C.
melting point : 20.00 - 21.00 °C. @ 760.00 mm Hg
boiling point : 120.00 °C. @ 15.00 mm Hg
logp : 2.04
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) :> 230.00  °F.  TCC  ( > 110.00 °C. )
  
recommendation for 5-methyl quinoxaline usage levels up to :
  0.1000 % in the fragrance concentrate.
  
recommendation for 5-methyl quinoxaline usage levels up to :
  10.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :237-246-5
chemidplus :013708128
epa-srs :13708-12-8
  
other : 
 
references : 
pubchem :198058
NIST Chemistry WebBook :2009219882
  
reference : Mosciano, Gerard P&F 19, No. 6, 53, (1994)³
synonyms :
5-methyl quinoxaline
 nutty oxaline
soluble in :
 alcohol
 water, 1460 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) blends with :
2-acetyl furan
2-acetyl-2-thiazoline
isoamyl phenyl acetate
para-anisaldehyde
para-anisyl alcohol
 beeswax absolute
 bois de rose oil
isobutyl cinnamate
 caramel furanone
 cassia bark oil
 chocolate pyrazine
 clove bud oil
 coffee furanone
 diacetyl
2,6-dimethyl pyridine
 ethyl cinnamate
 ethyl phenyl acetate
 ethyl vanillin
 immortelle absolute
 maltol
alpha-methyl cinnamaldehyde
 methyl cinnamate
 methyl cyclopentenolone
gamma-nonalactone
gamma-octalactone
 phenyl acetic acid
3-phenyl propyl alcohol
 strawberry furanone
 tonka bean absolute
 vanilla absolute
 vanillyl acetate
(odor and/or flavor) used in :
 almond
 coffee
 corn
 nut hazelnut
 nut peanut
 nut walnut
 sugar brown sugar
 toasted
 yeast
natural occurrence in :
almond roasted almond
coffee



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