Description

2,3-Dimethyl-5-Isobutylpyrazine is a high-purity heterocyclic compound belonging to the alkylpyrazine family, valued for its potent and characteristic nutty, roasted aroma. This compound is a critical building block and flavor/aroma agent in the creation of sophisticated organoleptic profiles. It is primarily sought after by manufacturers in the flavor and fragrance, food and beverage, and fine chemical synthesis industries.

Application

• Flavor & Fragrance (F&F) Industry: A key aroma chemical used to impart or enhance roasted, nutty, coffee, and chocolate notes in food flavors, beverage concentrates, and perfumery.
• Food Additive Manufacturing: Employed in the formulation of savory flavorings, snack seasonings, and processed food products to create authentic roasted profiles.
• Fine Chemical Synthesis: Serves as a versatile intermediate or reagent in organic synthesis for pharmaceuticals, agrochemicals, and other specialty chemicals.
• Research & Development: Used as a reference standard or analytical reagent in quality control laboratories and academic research focused on flavor chemistry.
• Tobacco Flavoring: Applied in the development of flavorings for tobacco products to enrich and modify sensory characteristics.

Basic Information

Product Name	2,3-Dimethyl-5-Isobutylpyrazine
CAS No.	15834-78-3
Molecular Formula	C10H16N2
Molecular Weight	164.25 g/mol
Synonyms	5-Isobutyl-2,3-dimethylpyrazine; 2,3-Dimethyl-5-(2-methylpropyl)pyrazine; FEMA 3133; Pyrazine, 2,3-dimethyl-5-(2-methylpropyl)-; Isobutyl dimethylpyrazine; Nutty pyrazine
EINECS	Contact for details

Quality Control

Our 2,3-Dimethyl-5-Isobutylpyrazine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC and GC-MS, to ensure high purity and consistent organoleptic properties suitable for flavor and fragrance applications. Certificates of Analysis (COA) confirming identity, purity, and compliance with relevant specifications (e.g., FCC, FEMA) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are sealed when not in use and stored away from heat sources and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.485 - 1.495
Specific Gravity (20/20°C)	0.930 - 0.950
Odor	Characteristic nutty, roasted

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