Description

2(Or 4)-Methylbutyric Acid is a versatile branched-chain fatty acid with the CAS registry number 84800-54-4. This compound is valued for its role as a key flavor and fragrance intermediate, imparting cheesy, fruity, or fermented notes. It is essential for manufacturers in the flavor & fragrance, food additive, and pharmaceutical synthesis industries seeking to create or modify specific organoleptic profiles or chemical precursors.

Application

• Flavor & Fragrance Ingredient: Used as a building block for esters and other aroma chemicals, contributing to cheesy, fruity, or wine-like notes in food flavors and perfumery.
• Food Additive Production: Serves as a precursor in synthesizing flavoring agents and food-grade additives.
• Pharmaceutical Intermediates: Acts as a chiral synthon in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Utilized in the production of certain pesticides and herbicides where its branched-chain structure is beneficial.
• Chemical Research & Development: Employed as a standard or reagent in organic synthesis and metabolic studies.
• Polymer Modification: Can be used to introduce specific functional groups into polymers for specialty material applications.

Basic Information

Product Name	2(Or 4)-Methylbutyric Acid
CAS No.	84800-54-4
Molecular Formula	C5H10O2
Molecular Weight	102.13 g/mol
Synonyms	2-Methylbutanoic Acid; 4-Methylbutyric Acid; (±)-2-Methylbutyric Acid; DL-2-Methylbutyric Acid; Active Valeric Acid; Butanoic acid, 2-methyl-; Ethylmethylacetic Acid; 2-Methylbutanoic Acid
EINECS	Contact for details

Quality Control

Our 2(Or 4)-Methylbutyric Acid is produced and tested under a stringent quality management system. We offer grades suitable for various industrial applications, with specifications ensuring consistent purity and performance. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and impurity profiles are available for every batch upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. As a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood or with adequate ventilation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.403 - 1.407
Specific Gravity (20/20°C)	0.930 - 0.936
Water Content (KF)	≤ 0.5%

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