Description

Crotonic Anhydride is a versatile and reactive chemical intermediate essential for introducing the crotonyl functional group into target molecules. Its high reactivity makes it a valuable building block for synthesizing specialized polymers, pharmaceuticals, and agrochemicals. This compound is particularly critical for manufacturers in the polymer, fine chemical, and pharmaceutical industries seeking to develop advanced materials and active ingredients.

Application

• Polymer Chemistry: As a key monomer or cross-linking agent in the production of specialty resins, coatings, and adhesives.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Synthesis: Serves as a precursor for manufacturing certain herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Employed in organic synthesis for acylation reactions to create esters, amides, and other derivatives.
• Research & Development: Utilized in academic and industrial R&D labs for developing novel chemical entities and materials.
• Surface Modifiers: Can be used to modify surface properties of materials for improved performance.

Basic Information

Product Name	Crotonic Anhydride
CAS No.	623-68-7
Molecular Formula	C8H10O3
Molecular Weight	154.16 g/mol
Synonyms	2-Butenoic Anhydride; Crotonic Acid Anhydride; (E)-2-Butenoic Anhydride; trans-Crotonic Anhydride; Crotonoyl Anhydride; But-2-enoic Anhydride; 2-Butenoyl Anhydride
EINECS	210-807-9

Quality Control

Our Crotonic Anhydride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous demands of industrial and research applications, ensuring reliable supply and technical support.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, amines, and oxidizing agents. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as Crotonic Acid)	≤ 1.0%

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