Description

Cyclohexanecarboxylic Anhydride is a versatile cyclic anhydride used as a key building block in organic synthesis. Its primary value lies in its reactivity as an acylating agent and its role in the production of specialized polymers and fine chemicals. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and advanced materials sectors seeking to introduce the cyclohexanecarbonyl moiety.

Application

• Pharmaceutical Intermediates: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring the cyclohexanecarboxylic acid structure.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polyesters, polyamides, and epoxy resin hardeners, imparting rigidity and chemical resistance.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators where the cyclohexane ring enhances stability and bioactivity.
• Organic Synthesis Reagent: Functions as an efficient acylating agent for alcohols and amines in laboratory and industrial-scale reactions to produce esters and amides.
• Lubricant & Plasticizer Additives: Employed in the synthesis of derivatives that improve the performance characteristics of industrial lubricants and polymer plasticizers.
• Flavor & Fragrance Industry: Utilized as an intermediate for creating synthetic aromatic compounds with specific olfactory profiles.

Basic Information

Product Name	Cyclohexanecarboxylic Anhydride
CAS No.	22651-87-2
Molecular Formula	C14H22O3
Molecular Weight	238.33 g/mol
Synonyms	Cyclohexanecarboxylic Acid Anhydride; Cyclohexanecarbonyl Anhydride; Dicyclohexylcarboxylic Anhydride; Hexahydrobenzoic Anhydride; Cyclohexylcarboxylic Anhydride; Anhydrid kyseliny cyklohexankarboxylove (Czech); 1,1'-Carbonylbis(cyclohexanecarboxylic acid); Cyclohexanecarboxylic acid, 1,1'-anhydride
EINECS	245-148-8

Quality Control

Our Cyclohexanecarboxylic Anhydride is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets exacting standards for consistency and purity. Certificates of Analysis (COA) documenting all critical parameters are available for 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 a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation due to moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	62 - 66 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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