Description

2-Methylbutyric Acid sec-Butyl Ester is a versatile ester compound valued for its unique organoleptic properties and utility as a chemical intermediate. This product is essential for industries requiring specific flavor and fragrance profiles or a reactive building block for synthesis. It is primarily sought after by manufacturers in the flavor & fragrance, pharmaceutical, and specialty chemical sectors for its ability to impart fruity, apple-like notes and serve in esterification processes.

Application

• Flavor & Fragrance Ingredient: Used as a key component in creating and enhancing fruity, apple, and berry flavor profiles for food, beverages, and confectionery.
• Fragrance Compound: Incorporated into perfumes, cosmetics, and personal care products to provide fresh, fruity top notes.
• Chemical Intermediate: Serves as a building block in organic synthesis, particularly in the production of more complex esters, agrochemicals, and pharmaceuticals.
• Solvent & Carrier: Employed as a specialty solvent in formulations requiring specific solubility characteristics for resins, coatings, or inks.
• Plasticizer Precursor: Can be used in the synthesis of compounds that modify the flexibility and processing of polymers.

Basic Information

Product Name	2-Methylbutyric Acid sec-Butyl Ester
CAS No.	869-08-9
Molecular Formula	C9H18O2
Molecular Weight	158.24 g/mol
Synonyms	sec-Butyl 2-Methylbutyrate; 2-Methylbutanoic Acid 1-Methylpropyl Ester; Butanoic Acid, 2-Methyl-, 1-Methylpropyl Ester; Apple Ester; 2-Methylbutyric Acid 1-Methylpropyl Ester; (±)-sec-Butyl 2-Methylbutanoate; 1-Methylpropyl 2-Methylbutanoate
EINECS	212-787-9

Quality Control

Our 2-Methylbutyric Acid sec-Butyl Ester is produced and tested under a rigorous quality management system. Each batch is analyzed to ensure it meets stringent specifications for identity, purity, and organoleptic quality, suitable for flavor, fragrance, and technical applications. Certificates of Analysis (COA) documenting purity, odor, and physical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to maintain quality and prevent evaporation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Odor	Characteristic fruity, apple-like
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.405 - 1.415
Specific Gravity (20/20°C)	0.860 - 0.880
Acid Value	≤ 1.0 mg KOH/g

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