Description

Crotonic Anhydride is a reactive chemical intermediate primarily used in the synthesis of specialized polymers, pharmaceuticals, and fine chemicals. Its value lies in its ability to introduce the crotonyl functional group, enabling the creation of materials with specific properties like enhanced durability or bioactivity. This compound is essential for R&D laboratories and manufacturers in the pharmaceutical, agrochemical, and advanced polymer industries seeking to develop new products or improve existing formulations.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer Modification: Used as a cross-linking agent or comonomer to produce specialty resins, coatings, and adhesives with improved performance characteristics.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Employed in organic synthesis for creating complex molecules used in flavors, fragrances, and dyes.
• Research & Development: A valuable reagent in academic and industrial laboratories for exploring new chemical reactions and material science applications.
• Surface Treatment Agent: Can be utilized to modify surface properties of materials for enhanced adhesion or specific functionality.

Basic Information

Product Name	Crotonic Anhydride
CAS No.	78957-07-0
Molecular Formula	C8H10O3
Molecular Weight	154.16 g/mol
Synonyms	2-Butenoic Anhydride; Crotonic Acid Anhydride; trans-2-Butenoic Anhydride; (2E)-2-Butenoic Anhydride; But-2-enoic Anhydride; Crotonoyl Anhydride; 2-Butenoyl Anhydride
EINECS	Contact for details

Quality Control

Our Crotonic Anhydride is produced and tested under a strict quality management system 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 commitment aligns with cGMP principles where applicable, ensuring the material meets the rigorous standards required for pharmaceutical and fine chemical synthesis.

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	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Contact for details

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