Melting point :77-80 °C(lit.)
Boiling point :190 °C(lit.)
Density :1.08
FEMA :3237 | 2,3,5,6-TETRAMETHYLPYRAZINE
refractive index :1.5880 (estimate)
Flash point :128-130°C/200mm
storage temp. :Sealed in dry,Room Temperature
solubility :4g/l
pka :3.20±0.10(Predicted)
form :Solid
color :White to Off-White
Odor :at 10.00 % in dipropylene glycol. nutty musty chocolate coffee cocoa brown lard burnt
Odor Type :nutty
Water Solubility :Soluble in water (4 g/L at 20°C).
JECFA Number :780
BRN :113100
Stability :Stable. Incompatible with strong acids, strong oxidizing agents.
InChIKey :FINHMKGKINIASC-UHFFFAOYSA-N
LogP :1.56
CAS DataBase Reference :1124-11-4(CAS DataBase Reference)
NIST Chemistry Reference :Pyrazine, tetramethyl-(1124-11-4)
EPA Substance Registry System :Tetramethylpyrazine (1124-11-4)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.