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2,3-Dimethylpyrazine Structure

2,3-Dimethylpyrazine

Chemical Properties

Melting point 11-13 °C
Boiling point 156 °C (lit.)
Density  1.011 g/mL at 25 °C (lit.)
FEMA  3271 | 2,3-DIMETHYLPYRAZINE
refractive index  n20/D 1.507(lit.)
Flash point 130 °F
storage temp.  Inert atmosphere,Room Temperature
solubility  Chloroform (Sparingly), Methanol (Slightly)
form  clear liquid
pka 2.21±0.10(Predicted)
Specific Gravity 1.022
color  Colorless to Light orange to Yellow
Odor roasted odor, reminiscent of nuts
PH 7 (H2O, 20℃)
Odor Type nutty
JECFA Number 765
BRN  107908
LogP 0.64
Substances Added to Food (formerly EAFUS) 2,3-DIMETHYLPYRAZINE
CAS DataBase Reference 5910-89-4(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII WHF7883D0V
NIST Chemistry Reference Pyrazine, 2,3-dimethyl-(5910-89-4)
EPA Substance Registry System Pyrazine, 2,3-dimethyl- (5910-89-4)
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Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H226-H302-H315-H318-H335
Precautionary statements P210-P233-P280-P301+P312-P303+P361+P353-P305+P351+P338
Hazard Codes  Xn,F,Xi
Risk Statements  10-22-37/38-41
Safety Statements  16-26-39
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  UQ2625000
Hazard Note  Irritant/Flammable
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29339990
NFPA 704:
2
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