Fragrance Material IndexBeta
Open the index

2,3,5-Trimethylpyrazine

Aroma Chemical CAS 14667-55-1

A roasted nutty note with a nut skin and cocoa character and a soft baked potato facet. Earthy and natural, it adds a peanut hazelnut depth in traces.

Open in the interactive index

Odor profile

Descriptor 1 Green
Descriptor 2 Nutty
Descriptor 3 Earthy
Impact Level Extreme (estimated)
Tenacity2 21 h

2 Source: The Good Scents Company

Identification

CAS Number14667-55-1
INCI NameTrimethylpyrazine
CategoryAroma Chemical
FormulaC7H10N2
Mol. Weight122.17
IUPAC Name2,3,5-trimethylpyrazine
InChIKeyIAEGWXHKWJGQAZ-UHFFFAOYSA-N

Synonyms

cocoa pyrazine base; potato pyrazine; pyrazine TMPK (2,3,5 trimethylpyrazines) pure; pyrazine, 2,3,5-trimethyl; 2,3,5-tri methyl pyrazine; trimethyl 2,3,5 pyrazine natural; 2,3,5 trimethyl pyrazine; 2,3,5-trimethyl pyrazine FCC; trimethyl pyrazine natural; 2,3,5-trimethyl pyrazine natural; 2,3,5-trimethyl-1,4-diazine; trimethyl-2,3,5 pyrazine; trimethylpyrazine; 2,3,5-trimethylpyrazine nat; 2,3,5-trimethylpyrazine natural

Physical and chemical data

Boiling Point 171.00 °C
Flash Point 54.44 °C
Density 0.96500
Refractive Index 1.49000
Vapor Pressure 1.724000 mmHg @ 25.00 C. (est)
LogP 0.950
Solubility alcohol; oils; water, 1.521e+004 mg/L @ 25 C (est)
Appearance colorless to pale yellow clear liquid

All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.

Related green materials

All green materials