Description

2-Methylbutanoic Anhydride is a versatile organic acid anhydride derived from 2-methylbutanoic acid. This compound serves as a key acylating agent and chemical intermediate, valued for its reactivity in introducing the 2-methylbutanoyl moiety into target molecules. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for synthesis and derivatization processes. Our supply ensures high purity and consistent quality for demanding industrial applications.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring the 2-methylbutanoyl functional group.
• Agrochemical Synthesis: Acts as a building block for producing herbicides, fungicides, and plant growth regulators.
• Flavor and Fragrance Ingredient: Employed in the manufacture of esters and other compounds that contribute to fruity or cheesy flavor notes.
• Polymer Modification: Functions as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Organic Synthesis Reagent: A key acylating agent for protecting groups, esterifications, and amide formations in complex organic synthesis.
• Research & Development: Serves as a valuable reagent in chemical research for exploring new synthetic pathways and material properties.

Basic Information

Product Name	2-Methylbutanoic Anhydride
CAS No.	1519-23-9
Molecular Formula	C10H18O3
Molecular Weight	186.25 g/mol
Synonyms	2-Methylbutyric Anhydride; 2-Methylbutanoic Acid Anhydride; Isobutylacetic Anhydride; 2-Methylbutyric Acid Anhydride; (±)-2-Methylbutyric Anhydride; DL-2-Methylbutyric Anhydride; Butanoic acid, 2-methyl-, anhydride; 2-Methylbutanoic acid, anhydride
EINECS	216-176-7

Quality Control

Our 2-Methylbutanoic Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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) and should be handled under dry conditions to prevent hydrolysis. Keep away from strong acids, bases, and oxidizing agents.

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 2-Methylbutanoic Acid)	≤ 1.0%

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