2,5-dimethyl pyrazine
Suppliers  organoleptics  properties  safety  references  cosmetics    FEMA Index    Home Page
 
Right Click Jmol Molecule For More Options. (Safari 1.2 (v125) Compatible). Jmol is a free download found Here.
 
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
cas number :123-32-0
(EINECS) number :204-618-3
beilstein number :0107052
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 (IUPAC)
formula :C6 H8 N2
pherobase floral:view
NMR Predictor :Predict
 
 
export tariff code :2933.99.7500
fda reg :unspecified
Suppliers :
Advanced Biotech :2,5-dimethyl pyrazine
90% min. (mixed isomers) natural
Odor:  Chocolate, roasted nuts
Advanced Biotech :2,5-dimethyl pyrazine
>99% min. (mixed isomers) natural
Odor:  Chocolate, roasted nuts
Advanced Biotech :2,5-DIMETHYL PYRAZINE
Odor:  Chocolate, Nutty, Roasted
Bedoukian Research :2,5-DIMETHYL PYRAZINE
≥99.0%, Kosher
Odor:  cocoa, roasted nut, roast beef, woody
Could be used very sparingly in appropriate applications.
Flavor:  cocoa
Used in potato, beer and chicken flavors as well as those needing fried notes.
Fleurchem :2,5-dimethyl pyrazine
Fleurchem :dimethyl pyrazine
natural
Fontarome :2, 5-DIMETHYLPYRAZINE
Odor:  Roast, coffee, peanut and meat
Frutarom :2,5-DIMETHYLPYRAZINE
≥98.00% (sum of isomers), NI, Kosher
Odor:  Green Grassy, Nutty, Roast, Woody
Suggested Uses: Chocolate, Coffee, Meat, Nut, Shellfish
Hofmen :2,5-Dimethylpyrazine
Moellhausen :2,5-dimethyl pyrazine
98% min. nature identical kosher
Odor:  coffee, nut, cocoa.
Flavor:  nut, fat, cocoa, potato.
Penta :2,5-dimethyl pyrazine
SAFC Global® :2,5-Dimethylpyrazine
≥98%, FCC, Kosher, FG
Odor:  meaty; medicinal; nutty; woody.
Tokyo Chemical Industry :2,5-Dimethylpyrazine
>80.0%(GC) (contains 2,6-isomer)
Tokyo Chemical Industry :2,5-Dimethylpyrazine
>98.0%(GC)
Treatt :2,5-Dimethylpyrazine
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
odor description:
Nutty, peanut, musty, earthy, powdery and slightly roasted with a cocoa powder nuance
Mosciano, Gerard P&F 21, No. 6, 49, (1996)
taste description:
at 7.50 ppm.  		Musty, potato, cocoa and nutty with a fatty and oily nuance
Mosciano, Gerard P&F 21, No. 6, 49, (1996)
properties :
appearence :colorless to pale yellow clear liquid
assay : 98.00 to 100.00 %   
additional assay information :sum of 2,3- 2,5- and 2,6- isomers
Food Chemicals Codex Listed :Yes
specific gravity :0.98500 to 0.99100 @ 25.00 °C.
pounds per gallon - calc. : 8.196 to 8.246
specific gravity :0.98200 to 1.00000 @ 25.00 °C.
pounds per gallon - calc. : 8.171 to 8.321
refractive index :1.49700 to 1.50300 @ 20.00 °C.
melting point : 15.00 °C. @ 760.00 mm Hg
boiling point : 154.00 to 156.00 °C. @ 760.00 mm Hg
vapor pressure :1.50000 mm/Hg @ 25.00 °C.
vapor density :3.7 ( Air = 1 )
flash point : 130.00  °F.  TCC  ( 54.44 °C. )
logP (o/w) : 0.63
safety :
most important hazard(s) :Xn - Harmful.
  R 22 - Harmful if swallowed.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Oral Toxicity(LD50) : 
  Gavage-Rat    1020.00  mg/kg
(Moran et al., 1980)

Intraperitoneal-Mouse    1350.00  mg/kg

Dermal Toxicity(LD50) : 
  Not determined
Inhalation Toxicity(LC50) : 
  Not determined
 
safety in use :
Category :flavor and fragrance agents
Maximised Survey-derived Daily Intakes (MSDI-EU) :19.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :8.00 (μg/capita/day)
 
recommendation for 2,5-dimethyl pyrazine fragrance usage levels up to :
  0.1000 % in the fragrance concentrate.
recommendation for 2,5-dimethyl pyrazine flavor usage levels up to :
  10.0000 ppm in the flavor.
safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Chemical Carcinogenesis Research Information System :Search
Env. Mutagen Info. Center :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :3
 
 
 
 
2,5-dimethylpyrazine
(EINECS) number :204-618-3
RTECS :UQ2800000 for cas# 123-32-0
chemidplus :000123320
EPA Substance Registry Services :123-32-0
dtp/nci :49139
references :
 
2,5-dimethylpyrazine
fl. number :14.020
jecfa number :766
NIST Chemistry WebBook :238725338
pubchem :173291
Flavornet :123-32-0
Cosmetics :
Cosmetic uses : perfuming agents
other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
RIFM :listed
FMA :listed
FDA Everything Added to Food in the United States (EAFUS)View
synonyms :
2,5-dimethyl paradiazine
2,5-dimethyl piazine
2,5-dimethyl-1,4-diazine
2,5-dimethylpyrazine
soluble in :
 alcohol
 water, 32000 mg/L @ 25C
insoluble in :
 water
potential blenders :    note
6-acetoxydihydrotheaspiraneFL/FR
2-acetyl pyrazineFL/FR
2-acetyl pyrroleFL/FR
 acetyl pyrrolineFL
2-acetyl-2-thiazolineFL
2-acetyl-3-ethyl pyrazineFL
2-acetyl-3-methyl pyrazineFL/FR
isoamyl alcoholFL
 basil oleoresin sweetFL/FR
 benzyl methyl sulfideFL
 butyl decanoateFL/FR
2(4)-isobutyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazineFL
 butyraldehydeFL
 caraway seed oleoresinFL
dextro-carvoneFL/FR
 champaca absoluteFR
 champaca flower oilFR
 chocolate pyrazine AFL/FR
 chocolate pyrazine BFL
 clary sage absoluteFL/FR
 clary sage oilFL/FR
 cocoa hexenalFL/FR
 cocoa pyrazineFL/FR
3,6-cocoa pyrazineFL
 coffee furanoneFL
(-)-cubenol 
 cyperus root oilFR
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazineFL
2,5-dihydroxy-1,4-dithianeFL
 diisoamyl thiomalateFL
 dimethyl benzyl carbinyl propionateFR
 dimethyl dihydrocyclopentapyrazineFL
2,5-dimethyl furanFL
2,6-dimethyl pyridineFL
2,4-dimethyl thiazoleFL
2,5-dimethyl thiazoleFL
4,5-dimethyl thiazoleFL
2,4-dimethyl-3-oxazolineFL
2-ethoxythiazoleFL
 ethyl cyclopentenoloneFL/FR
5-ethyl-2-methyl pyridineFL
2-ethyl-3-methoxypyrazineFL/FR
2-ethyl-6-methyl pyrazineFL
 filbert heptenoneFL/FR
 filbert pyrazineFL
 furfuralFL
 furfuryl alcoholFL
 furfuryl octanoateFL
 furfuryl thioacetateFL
 genet absoluteFL/FR
 geranyl formateFL/FR
laevo-glutamic acidCS
 green pea pyrazineFL
 guaiacyl phenyl acetateFL/FR
(-)-guaiolFR
 guaiyl acetateFL/FR
 heptyl butyrateFL/FR
2-heptyl furanFL
 maltolFL/FR
3-mercapto-2-butanoneFL
3-mercapto-2-pentanoneFL
 methionalFL
2-methoxy-3-propyl pyrazineFL
 methyl 2-(methyl thio) acetateFL
 methyl 2-methyl-3-furyl disulfideFL
2-methyl 3-(methyl thio) furan 10% in triacetinFL
alpha-isomethyl ionone (90% min.)FL/FR
2-methyl pyrazineFL/FR
2-(methyl thio) acetaldehydeFL
4-(methyl thio) butanolFL
dextro,laevo-3-(methyl thio) butanoneFL
3-methyl-2-butane thiolFL
2-methyl-3-tetrahydrofuran thiolFL
 nutty pyrazineFL/FR
 nutty quinoxalineFL/FR
 phenethyl isobutyrateFL/FR
ketoisophoroneFL/FR
 potato butanoneFL
 potato butyraldehydeFL
 propionaldehydeFL
2-propionyl thiazoleFL
2-propionyl-2-thiazolineFL
 propylene glycol acetone ketalFL
2-pyridinyl methane thiolFL
 rum etherFL/FR
 shoyu furanoneFL/FR
 sulfurolFL
 sulfuryl acetateFL
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl formateFL
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 sulfuryl octanoateFL/FR
 sulfuryl propionateFL/FR
 tea acetateFR
 tetrahydrolinaloolFL/FR
1-(2-thienyl) butanoneFL
 toffee furanoneFL/FR
2,4,5-trimethyl oxazoleFL
2,3,5-trimethyl pyrazineFL
potential uses :
 chocolate
 chocolate cocoa
 coffee
 fried
 green
 nut hazelnut
 nut peanut
 potato
 roasted
natural occurrence in :    note
 beef roasted beef  
 beer  
 cocoa S
 coffee roasted coffee  
 kohlrabi  
data pagelavender oil spike spain @ 0.187% S
 pork  
 potato chip  
PbMdrice cakes  
 rum  
 shrimp  

information only - not sold by The Good Scents Company.


Please share your Information / Comments.

Your email Address:


Top of Page          The Good Scents Company Home
Copyright © 1980-2010 The Good Scents Company Disclaimer Privacy Policy
Html Last modified 03/10/2010