2,3-Diethyl-5-methylpyrazine Structure

2,3-Diethyl-5-methylpyrazine

Chemical Properties

Boiling point 95 °C (20 mmHg)
Density  0.949 g/mL at 25 °C (lit.)
refractive index  n20/D 1.498(lit.)
FEMA  3336 | 2,3-DIETHYL-5-METHYLPYRAZINE
FLAVIS Number 14.056 | 2,3-Diethyl-5-methylpyrazine
Flash point 176 °F
storage temp.  2-8°C
solubility  Chloroform, Methanol
pka 2+-.0.10(Predicted)
color  Clear Colourless
Specific Gravity 0.950.949
Odor at 0.10 % in dipropylene glycol. musty nut skin earthy roasted hazelnut toasted potato dusty foliage vegetable
Odor Type musty
biological source synthetic
Water Solubility  SLIGHTLY SOLUBLE
JECFA Number 777
Henry's Law Constant 8.1×10-1 mol/(m3Pa) at 25℃, Roberts and Pollien (1997)
Major Application flavors and fragrances
InChI 1S/C9H14N2/c1-4-8-9(5-2)11-7(3)6-10-8/h6H,4-5H2,1-3H3
InChIKey PSINWXIDJYEXLO-UHFFFAOYSA-N
SMILES CCc1ncc(C)nc1CC
LogP 2.16
CAS DataBase Reference 18138-04-0(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 2,3-DIETHYL-5-METHYLPYRAZINE
FDA UNII 530763R0AP
NIST Chemistry Reference Pyrazine, 2,3-diethyl-5-methyl-(18138-04-0)
EPA Substance Registry System Pyrazine, 2,3-diethyl-5-methyl- (18138-04-0)
UNSPSC Code 85151701
NACRES NA.24
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Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H302+H312+H332
Precautionary statements P261-P264-P280-P301+P312-P302+P352+P312-P304+P340+P312
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/37/39
RIDADR  NA 1993 / PGIII
WGK Germany  3
TSCA  TSCA listed
HazardClass  3
PackingGroup  III
HS Code  29339900
Storage Class 10 - Combustible liquids
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
NFPA 704:
2
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