Description

2-Isobutyl-3-Methylpyrazine is a high-purity, highly volatile flavor and fragrance compound with a characteristic nutty, roasted, and earthy aroma profile. This pyrazine derivative is a critical building block for creating complex, authentic flavor nuances in a wide range of consumer products. It is essential for flavorists, perfumers, and product developers in the food & beverage, fragrance, and flavoring industries seeking to enhance savory, roasted, or nutty character.

Application

• Flavor & Fragrance (F&F) Industry: A key aroma chemical used as a top or middle note in fragrance compositions and as a flavor enhancer in savory applications.
• Food & Beverage Flavors: Imparts essential roasted, nutty, and earthy notes to products like coffee, cocoa, nuts, roasted meats, potato chips, and savory snacks.
• Perfumery: Used in fine fragrances, personal care, and home care products to add natural, green, and earthy olfactory dimensions.
• Synthetic Flavoring Agents: Serves as a raw material in the synthesis of more complex flavor molecules and reaction flavors (e.g., Maillard reaction flavors).
• Seasoning & Savory Blends: Enhances the depth and authenticity of bouillons, gravy mixes, sauces, and processed savory foods.
• Aroma Chemicals for Research: Used in analytical laboratories and R&D centers as a reference standard and for sensory studies.

Basic Information

Product Name	2-Isobutyl-3-Methylpyrazine
CAS No.	13925-06-9
Molecular Formula	C9H14N2
Molecular Weight	150.22 g/mol
Synonyms	3-Methyl-2-(2-methylpropyl)pyrazine; 2-(2-Methylpropyl)-3-methylpyrazine; FEMA 3133; Isobutyl Methyl Pyrazine; Pyrazine, 2-isobutyl-3-methyl-; Nutty Pyrazine; Roasted Pyrazine
EINECS	237-695-1

Quality Control

Our 2-Isobutyl-3-Methylpyrazine is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity suitable for flavor and fragrance applications. Each lot is analyzed via GC, GC/MS, and NMR to confirm identity and purity. Certificates of Analysis (COA) detailing specific test results are available upon request.

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). Due to its highly volatile nature, keep containers tightly sealed when not in use to prevent evaporation and contamination.

Specification

Item	Specification
Appearance	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 - 0.980
Solubility	Soluble in alcohol and oils, insoluble in water

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