Description

Butanoic Acid, 3-Methyl-, 1,1-Dimethylethyl Ester is a high-purity ester derivative of isovaleric acid, valued for its unique organoleptic properties and utility as a versatile chemical intermediate. This compound is essential for industries requiring precise flavor and fragrance components or specialized synthetic building blocks. It is primarily sought by manufacturers in the flavor & fragrance, pharmaceutical, and fine chemical synthesis sectors.

Application

• Flavor & Fragrance Ingredient: Used as a key component in creating fruity, apple-like, or cheesy flavor notes for food products, beverages, and perfumery.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Fine Chemical Synthesis: Acts as a protected form of isovaleric acid or a reagent in esterification and transesterification reactions for research and production.
• Polymer Additive: Can be utilized as a monomer or modifier in the production of specialty polymers and resins.
• Solvent & Carrier: Employed in formulations requiring a high-boiling, low-odor ester solvent for coatings, inks, or agrochemicals.

Basic Information

Product Name	Butanoic Acid, 3-Methyl-, 1,1-Dimethylethyl Ester
CAS No.	16792-03-3
Molecular Formula	C9H18O2
Molecular Weight	158.24 g/mol
Synonyms	tert-Butyl isovalerate; tert-Butyl 3-methylbutanoate; Isovaleric acid tert-butyl ester; 3-Methylbutanoic acid 1,1-dimethylethyl ester; Butanoic acid, 3-methyl-, 1,1-dimethylethyl ester; tert-Butyl 3-methylbutyrate
EINECS	240-846-5

Quality Control

Our Butanoic Acid, 3-Methyl-, 1,1-Dimethylethyl Ester is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy, to ensure it meets exacting purity and identity specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.405 - 1.415
Density (20°C)	0.855 - 0.875 g/mL
Water Content (KF)	≤ 0.5%

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