Description

1-Cyclopentene-1,2-Dicarboxylic Anhydride is a versatile cyclic anhydride monomer used in advanced polymer synthesis and fine chemical manufacturing. This compound is valued for its reactive anhydride functionality, which enables the creation of high-performance materials with tailored properties. It serves as a critical building block for researchers and industrial chemists in the pharmaceutical, agrochemical, and specialty polymer sectors.

Application

• Polymer Synthesis: Key monomer for producing polyimides, polyamides, and other high-temperature, high-strength engineering plastics.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemicals: Serves as a precursor for herbicides, fungicides, and plant growth regulators.
• Epoxy Curing Agents: Functions as a hardener or curing agent in epoxy resin formulations, improving thermal and chemical resistance.
• Fine Chemical Synthesis: Intermediate for dyes, pigments, and other specialty organic compounds.
• Crosslinking Agent: Used to crosslink polymers, enhancing their mechanical properties and durability.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new chemical entities and materials.

Basic Information

Product Name	1-Cyclopentene-1,2-Dicarboxylic Anhydride
CAS No.	3205-94-5
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	3-Cyclopentene-1,2-dicarboxylic anhydride; Cyclopent-3-ene-1,2-dicarboxylic anhydride; 4-Cyclopentene-1,2-dicarboxylic anhydride; 1,2-Cyclopentenedicarboxylic anhydride; 3-Cyclopentene-cis-1,2-dicarboxylic anhydride; NSC 163063; 1-Cyclopentene-1,2-dicarboxylic acid anhydride
EINECS	221-727-8

Quality Control

Our 1-Cyclopentene-1,2-Dicarboxylic Anhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) 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). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent hydrolysis of the anhydride group. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 105 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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