Description

4-Methylpentanoic Anhydride is a versatile organic acid anhydride used as a key acylating agent and chemical intermediate. Its primary value lies in its reactivity, enabling the efficient introduction of the 4-methylpentanoyl moiety into target molecules, which is valuable for modifying physical and chemical properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors, particularly for synthesizing active ingredients, fragrances, and advanced polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring lipophilic side chains.
• Agrochemical Synthesis: Serves as a building block for creating herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Acts as a monomer or cross-linking agent in the production of specialty polyesters, polyamides, and coatings to enhance properties like flexibility and hydrophobicity.
• Fragrance and Flavor Industry: Employed in the manufacture of esters and other compounds that contribute to specific olfactory profiles.
• Organic Synthesis Reagent: A key acylating agent in laboratory and industrial-scale reactions for introducing the 4-methylvaleryl group.
• Lubricant and Fuel Additive Precursor: Used in the synthesis of compounds that improve the performance characteristics of industrial lubricants and fuels.

Basic Information

Product Name	4-Methylpentanoic Anhydride
CAS No.	83594-04-1
Molecular Formula	C12H22O3
Molecular Weight	214.30 g/mol
Synonyms	4-Methylvaleric Anhydride; Isohexanoic Anhydride; 4-Methylpentanoic Acid Anhydride; Isohexanoic Acid Anhydride; 4-Methylvaleric Acid Anhydride; Isobutylacetic Anhydride; 4-Methylpentanoyl Anhydride; Anhydrid kyseliny 4-methylvalerovej
EINECS	Contact for details

Quality Control

Our 4-Methylpentanoic Anhydride is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive chemical synthesis. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for all shipments to guarantee traceability and batch-to-batch consistency for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture and prevent hydrolysis.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Free Acid (as 4-Methylpentanoic Acid)	≤ 1.0%

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