Description

sec-Butyl Isovalerate is a clear, colorless organic ester compound valued for its fruity, apple-like aroma and excellent solvent properties. This chemical is a versatile intermediate and functional ingredient, prized for its ability to impart specific organoleptic characteristics and its miscibility with a wide range of organic substances. It is primarily sought after by manufacturers in the flavor and fragrance, pharmaceutical intermediates, and specialty chemical synthesis sectors.

Application

• Flavor and Fragrance Formulation: Used as a key aromatic component to create and enhance fruity, apple, and berry notes in perfumes, cosmetics, and food flavorings.
• Pharmaceutical Intermediates: Serves as a building block or solvent in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Specialty Solvent: Acts as a high-performance solvent for resins, coatings, and inks due to its strong acid/organic solvent compatibility and favorable evaporation rate.
• Chemical Synthesis: Employed as an esterification agent or intermediate in organic reactions to introduce the sec-butyl or isovalerate moiety into target molecules.
• Industrial Applications: Functions as a plasticizer or processing aid in select polymer and resin formulations.

Basic Information

Product Name	sec-Butyl Isovalerate
CAS No.	2051-38-9
Molecular Formula	C9H18O2
Molecular Weight	158.24 g/mol
Synonyms	2-Butyl 3-methylbutanoate; Butanoic acid, 3-methyl-, 1-methylpropyl ester; 1-Methylpropyl isovalerate; sec-Butyl 3-methylbutyrate; Isovaleric acid sec-butyl ester; 3-Methylbutanoic acid 1-methylpropyl ester; 2-Butyl isovalerate
EINECS	218-148-3

Quality Control

Our sec-Butyl Isovalerate is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with GMP and ISO principles where applicable, ensuring reliability for critical applications in flavor, fragrance, and pharmaceutical synthesis.

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 acids and oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize evaporation and prevent moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.405 - 1.415
Specific Gravity (20/20°C)	0.855 - 0.865
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.