Description

Isovaleric Anhydride is a versatile organic acid anhydride derived from isovaleric acid. It serves as a key acylating and esterifying agent in the synthesis of fine chemicals, pharmaceuticals, and flavor compounds. This high-purity intermediate is essential for manufacturers in the fragrance, pharmaceutical, and agrochemical industries seeking reliable and consistent raw materials for their production processes.

Application

• Flavor and Fragrance Synthesis: A key intermediate for producing esters used in fruit flavors (e.g., apple, banana) and perfumery compounds.
• Pharmaceutical Intermediates: Used as an acylating agent in the synthesis of active pharmaceutical ingredients (APIs) and other drug precursors.
• Agrochemical Production: Employed in the manufacture of pesticides, herbicides, and plant growth regulators.
• Polymer Modification: Acts as a monomer or modifying agent in specialty polymer and resin formulations.
• Dye and Pigment Manufacturing: Serves as a reactant in the synthesis of certain organic dyes and colorants.
• Chemical Research & Development: A valuable reagent for organic synthesis and process development in laboratory and pilot-scale operations.

Basic Information

Product Name	Isovaleric Anhydride
CAS No.	1468-39-9
Molecular Formula	C10H18O3
Molecular Weight	186.25 g/mol
Synonyms	3-Methylbutanoic Anhydride; Isopentanoic Anhydride; 3-Methylbutyric Anhydride; Isovalerianic Anhydride; Isovaleric Acid Anhydride; Isoamylcarboxylic Acid Anhydride; (3-Methylbutanoyl) 3-methylbutanoate
EINECS	215-996-5

Quality Control

Our Isovaleric Anhydride is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and physical property verification, to ensure it meets the high standards required for industrial and fine chemical applications. Certificates of Analysis (COA) are provided with every shipment to guarantee traceability, purity, and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and incompatible materials. This product is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents; ensure containers are kept tightly sealed to prevent moisture absorption and degradation. Recommended storage temperature: 2-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as Isovaleric Acid)	≤ 1.0%

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