Description

3-Methylbut-2-enoic anhydride is a reactive chemical intermediate belonging to the class of unsaturated carboxylic acid anhydrides. This compound is valued for its role in introducing the prenyl-derived 3-methylbut-2-enoyl moiety into target molecules, enabling the synthesis of more complex structures. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications such as active pharmaceutical ingredient (API) synthesis and the development of novel crop protection agents.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a prenyl-like side chain for biological activity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where its specific structure contributes to product efficacy.
• Specialty Polymer Modifier: Acts as a reactive monomer or cross-linking agent to modify the properties of polymers, enhancing characteristics like thermal stability or adhesion.
• Fine Chemical Production: Serves as a versatile reagent in organic synthesis laboratories for the acylation of alcohols, amines, and other nucleophiles.
• Flavor and Fragrance Ingredient Synthesis: Employed in the controlled synthesis of complex esters and other compounds used in high-value aroma chemicals.

Basic Information

Product Name	3-Methylbut-2-enoic Anhydride
CAS No.	34876-10-3
Molecular Formula	C10H14O3
Molecular Weight	182.22 g/mol
Synonyms	3,3-Dimethylacrylic Anhydride; Senecioic Anhydride; 3-Methylcrotonic Anhydride; Prenyl Anhydride; 3-Methyl-2-butenoic Anhydride; 3,3-Dimethylacrylic Acid Anhydride; β,β-Dimethylacrylic Anhydride
EINECS	Contact for details

Quality Control

Our production of 3-Methylbut-2-enoic anhydride adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced techniques including GC and HPLC to verify identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed and consideration should be given to storage under an inert atmosphere for long-term preservation of quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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