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2-Ethyl-3-methylpyrazine Structure

2-Ethyl-3-methylpyrazine

Chemical Properties

Boiling point 57 °C10 mm Hg(lit.)
Density  0.987 g/mL at 25 °C
vapor pressure  1.74hPa at 20℃
refractive index  n20/D 1.503(lit.)
FEMA  3155 | 2-ETHYL-3-METHYLPYRAZINE
Flash point 138 °F
storage temp.  Sealed in dry,Room Temperature
solubility  sparingly soluble
pka 1.94±0.10(Predicted)
Specific Gravity 0.987
color  Colorless to Light yellow
Odor at 0.10 % in dipropylene glycol. nutty peanut musty corn raw earthy bread
Odor Type nutty
Water Solubility  sparingly soluble
JECFA Number 768
BRN  956775
LogP 1.42 at 25℃
CAS DataBase Reference 15707-23-0(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 3-ETHYL-2-METHYLPYRAZINE
EWG's Food Scores 1
FDA UNII 9GF35MK66U
NIST Chemistry Reference Pyrazine, 2-ethyl-3-methyl-(15707-23-0)
EPA Substance Registry System Pyrazine, 2-ethyl-3-methyl- (15707-23-0)
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Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H226-H302-H315-H319-H335
Precautionary statements P210-P301+P312+P330-P302+P352-P305+P351+P338
Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38
Safety Statements  26-24/25
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  UQ3335000
Hazard Note  Irritant
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29339900
NFPA 704:
2
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