2,3,5-Trimethylpyrazine

2,3,5-Trimethylpyrazine
Names
Preferred IUPAC name
2,3,5-Trimethylpyrazine
Other names
Pyrazine, 2,3,5-trimethyl-;2,3,5-Trimethyl pyrazine;2,3,5-Trimethyl pyrazine (natural);2,3,5-Trimethylpyrazine;2,3,6-Trimethylpyrazine;5-23-05-00419 (Beilstein Handbook Reference);AI3-34442;BRN 0002423;CCRIS 2932;FEMA No. 3244;Pyrazine, trimethyl-;Trimethylpyrazine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.035.178
EC Number
  • 238-712-0
UNII
  • InChI=1S/C7H10N2/c1-5-4-8-6(2)7(3)9-5/h4H,1-3H3
    Key: IAEGWXHKWJGQAZ-UHFFFAOYSA-N
  • CC1=CN=C(C(=N1)C)C
Properties
C7H10N2
Molar mass 122.171 g·mol−1
Appearance colourless to slightly yellow liquid
Odor roasted nut, baked potato odour
Density 0.979 g mL−1
Boiling point 173.1 °C (343.6 °F; 446.2 K)
Alcohol, oils, water (1.521e+004 mg/L at 25 °C (est)
1.5030 to 1.5050
Hazards
GHS labelling:
Warning
H226, H302
P210, P233, P240, P241, P242, P243, P264, P270, P280, P301+P312, P303+P361+P353, P330, P370+P378, P403+P235, P501
Flash point 54.4 °C (129.9 °F; 327.5 K)
Lethal dose or concentration (LD, LC):
806 mg/kg rat
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

2,3,5-Trimethylpyrazine (chemical formula C7H10N2) is one of the most broadly used edible synthesis fragrances. It comes from baked food, fried barley, potatoes, and peanuts. 2,3,5-Trimethylpyrazine is used for the flavor in cocoa, coffee, chocolate, potato, cereal, and fried nuts.