nutty pyrazine

Full Material List
7-methyl-6,7-dihydro-5H-cyclopenta[b]pyrazine

Identifiers

FEMA 3306
CAS 23747-48-0
EINECS 245-864-1
Synonyms
  • corylone pyrazine (Givaudan)
  • 5H- cyclopenta[b]pyrazine, 6,7-dihydro-5-methyl-
  • 5H- cyclopentapyrazine, 6,7-dihydro-5-methyl-
  • 6,7- dihydro-5-methyl-5 -cyclopentapyrazine
  • 6,7- dihydro-5-methyl-5h-cyclopenta 1,4-diazine
  • 6,7- dihydro-5-methyl-5H-cyclopenta[b]pyrazine
  • 6,7- dihydro-5-methyl-5H-cyclopentapyrazine
  • maple lactone pyrazine
  • methyl dihydrocyclopentapyrazine
  • 4- methyl dihydrocyclopentapyrazine
  • 9- methyl-2,5-diazabicyclo(4.3.0)nona-1,3,5-triene
  • 5- methyl-5,6,7-trihydrocyclopenta[2,1-b]pyrazine
  • 5- methyl-6,7-dihydro-5H-cyclopenta[b]pyrazine
  • 7- methyl-6,7-dihydro-5H-cyclopenta[b]pyrazine
  • 5- methyl-6,7-dihydro-5H-cyclopentapyrazine
  • 5H-5- methyl-6,7-dihydrocyclopenta-(b)-pyrazine
  • 5H-5- methyl-6,7-dihydrocyclopenta(b)pyrazine
  • 5H-5- methyl-6,7-dihydrocyclopenta(beta)pyrazine
  • 5H-5- methyl-6,7-dihydrocyclopenta[b]pyrazine
  • 5- methyl-6,7-dihydrocyclopentapyrazine
  • 5H-5- methyl-6,7-dihydrocyclopentapyrazine
  • 5H- methyl6,7dihydrocyclopenta B pyrazine
  • 5- methylene-6,7-dihydro-cyclopenta[b]pyrazine
  • popcorn chemical 0.1% ethanol synthetic
JECFA Food Flavoring 781
JECFA Food Additive N/A
DG SANTE Food Flavourings 14.037 5-methyl-6,7-dihydro-5H-cyclopentapyrazine
DG SANTE Food Contact Materials N/A
FDA UNII L5IDR3PHAV
CoE Number 2314
XlogP3-AA N/A
Molecular Weight 134.1817
Molecular Formula C8 H10 N2

Organoleptic

Organoleptic Notes
  • 1. Odor Type: earthy earthy potato baked potato peanut roasted peanut
  • Odor Description:at 0.10 % in dipropylene glycol. earthy baked potato peanut roasted
  • sweet nutty roasted toasted grain coffee corn savory meaty
  • Odor Description:at 1.00 %. Sweet, nutty, roasted, toasted, grainy, coffee and corn with savory, meaty nuancesMosciano, Gerard P&F 23, No. 2, 43, (1998)
Odor earthy
earthy, potato, baked, peanut, roasted, sweet, nutty, toasted, grain, coffee, corn, savory, meaty
Flavor nutty
musty, nutty, roasted, grain, coffee,

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5H-5-METHYL-6,7 DIHYDROCYCLOPENTA (B) PYRAZINE • 4079

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Properties

Food Chemicals Codex Listed No
Appearance pale yellow to yellowish orange clear liquid (est)
Assay 97.00 to 100.00
Specific Gravity 1.04800 to 1.05800 @ 25.00 °C.
Lbs/Gal (est) 8.720 to 8.804
Refractive Index 1.52300 to 1.53300 @ 20.00 °C.
Melting Point 121.00 to 123.00 °C. @ 1.00 mm Hg
Boiling Point 200.00 to 201.00 °C. @ 760.00 mm Hg
Flash Point 174.00 °F. TCC ( 78.89 °C. )
Acid Value N/A
Vapor Pressure 0.291000 mmHg @ 25.00 °C. (est)
Vapor Density 4.6 ( Air = 1 )
logP (o/w) 1.113 (est)
Soluble In
  • alcohol
  • water, slightly
  • water, 2416 mg/L @ 25 °C (est)
  • water
  • stable in most media
Occurrence
  • almond roasted almond
  • asparagus
  • barley roasted barley
  • beef heated beef
  • bread rye bread
  • bread wheat bread
  • chicken fried chicken
  • cocoa
  • coffee
  • filbert
  • filbert roasted filbert
  • peanut
  • peanut roasted peanut
  • pork
  • potato baked potato
  • rice wild rice
  • sesame seed oil
  • tea green tea