Description

2-Butenoic Acid, 2-Methyl-, Anhydride is a reactive chemical intermediate belonging to the class of unsaturated carboxylic acid anhydrides. This compound is valued for its ability to introduce methacrylic functionality into polymers and other organic molecules, enabling the synthesis of materials with tailored properties. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for applications requiring high-purity reactive intermediates.

Application

• Polymer Modification: As a key monomer or co-monomer for the production of specialty acrylic and methacrylic resins, enhancing properties like adhesion, weather resistance, and hardness.
• Chemical Synthesis: Serves as a versatile building block for synthesizing methacrylate esters, amides, and other derivatives used in advanced organic chemistry.
• Coatings & Adhesives: Imparts durability and cross-linking capabilities in high-performance industrial coatings, UV-curable inks, and structural adhesives.
• Pharmaceutical Intermediates: Used in the controlled synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals requiring specific reactive sites.
• Lubricant Additives: Employed in the formulation of specialty lubricants and fuel additives to improve performance characteristics.

Basic Information

Product Name	2-Butenoic Acid, 2-Methyl-, Anhydride
CAS No.	25769-55-5
Molecular Formula	C10H14O3
Molecular Weight	182.22 g/mol
Synonyms	2-Methyl-2-butenoic anhydride; Tiglic anhydride; 2-Methylcrotonic anhydride; 2-Methyl-2-butenoic acid anhydride; Angelic acid anhydride (cis-isomer); (E)-2-Methyl-2-butenoic anhydride; 2-Methylbut-2-enoic anhydride
EINECS	Contact for details

Quality Control

Our production of 2-Butenoic Acid, 2-Methyl-, Anhydride adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, purity profiling, and identification, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting these results are provided with each shipment and are available upon request.

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, containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases, strong oxidizing agents, and amines.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details

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