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2,5-Dimethyl pyrazine Structure

2,5-Dimethyl pyrazine

Chemical Properties

Melting point 15°C
Boiling point 155 °C (lit.)
Density  0.99 g/mL at 25 °C (lit.)
FEMA  3272 | 2,5-DIMETHYLPYRAZINE
refractive index  n20/D 1.502(lit.)
Flash point 147 °F
storage temp.  Inert atmosphere,Room Temperature
solubility  Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form  Liquid
pka 2.21±0.10(Predicted)
color  Clear colorless to pale yellow
Specific Gravity 0.990
PH 7 (H2O)
Odor at 0.10 % in dipropylene glycol. nutty roasted baked potato
Odor Type chocolate
Sensitive  Hygroscopic
JECFA Number 766
BRN  107052
Dielectric constant 2.4399999999999999
LogP 0.64
CAS DataBase Reference 123-32-0(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 2,5-DIMETHYLPYRAZINE
EWG's Food Scores 1
FDA UNII V99Y0MUY1Q
NIST Chemistry Reference Pyrazine, 2,5-dimethyl-(123-32-0)
EPA Substance Registry System Pyrazine, 2,5-dimethyl- (123-32-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H302
Precautionary statements P301+P312+P330
Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38-R22
Safety Statements  26-36
RIDADR  NA 1993 / PGIII
WGK Germany  3
RTECS  UQ2800000
Hazard Note  Irritant
TSCA  Yes
HS Code  29339990
NFPA 704:
2
0

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