Description

2-Methyl-3-sec-Butylpyrazine is a high-purity pyrazine derivative, a key flavor and fragrance ingredient prized for its potent, nutty, and roasted character. This compound matters for its ability to impart authentic roasted coffee, cocoa, and nutty nuances to complex flavor and fragrance formulations. It is primarily needed by flavorists and perfumers in the food & beverage, fine fragrance, and personal care industries seeking to create sophisticated, natural-tasting profiles.

Application

• As a key flavor ingredient in coffee, cocoa, and nut flavorings for beverages, confectionery, and dairy products.
• As a building block in savory flavor systems for meat analogs, snacks, and sauces to enhance roasted and cooked notes.
• In the creation of fine fragrances and personal care products to add warm, earthy, and roasted olfactory accents.
• As a reference standard or intermediate in analytical chemistry and research for flavor analysis and synthesis.
• For use in aroma chemicals where a powerful, diffusive roasted note is required.

Basic Information

Product Name	2-Methyl-3-sec-Butylpyrazine
CAS No.	40790-14-5
Molecular Formula	C9H14N2
Molecular Weight	150.22 g/mol
Synonyms	2-Methyl-3-(1-methylpropyl)pyrazine; 3-sec-Butyl-2-methylpyrazine; FEMA 3433; Pyrazine, 2-methyl-3-(1-methylpropyl)-; 2-Methyl-3-(butan-2-yl)pyrazine; Nutty pyrazine; Roasted coffee pyrazine
EINECS	Contact for details

Quality Control

Our 2-Methyl-3-sec-Butylpyrazine is produced and tested to meet the stringent requirements of the flavor and fragrance industry. Every batch undergoes rigorous analytical testing, including GC and GC-MS, to ensure high purity, consistent olfactory profile, and compositional integrity. Certificates of Analysis (COA) detailing identity, purity, and specific impurity limits are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is light-sensitive and easily oxidized; for long-term storage, consider filling the headspace with an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.490 - 1.500
Specific Gravity (20/20°C)	0.950 - 0.970
Solubility	Miscible with alcohol and oils

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.