Description

Cyclobutane-1,2-Dicarboxylic Anhydride is a high-purity, versatile cyclic anhydride building block essential for advanced organic synthesis and polymer chemistry. Its strained four-membered ring structure offers unique reactivity, enabling the development of novel materials with tailored properties. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to create innovative compounds and high-performance resins.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing complex, strained-ring molecular architectures.
• Polymer & Resin Modifier: Used as a curing agent or co-monomer in epoxy, polyester, and alkyd resins to enhance thermal stability, chemical resistance, and mechanical strength.
• Agrochemical Synthesis: Serves as a critical building block for creating novel herbicides, fungicides, and plant growth regulators with specific activity profiles.
• Crosslinking Agent: Imparts crosslinks in coatings, adhesives, and composite materials, improving their durability and performance under demanding conditions.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and ring-opening polymerizations to introduce the cyclobutane moiety into target molecules.
• Specialty Chemical Production: A starting material for synthesizing dyes, pigments, and other performance chemicals requiring its specific anhydride functionality.

Basic Information

Product Name	Cyclobutane-1,2-Dicarboxylic Anhydride
CAS No.	4462-96-8
Molecular Formula	C6H6O3
Molecular Weight	126.11 g/mol
Synonyms	1,2-Cyclobutanedicarboxylic Anhydride; Cyclobutane-1,2-dicarboxylic Acid Anhydride; 3-Oxabicyclo[3.2.0]heptane-2,4-dione; 1,2-CBDA; cis-Cyclobutane-1,2-dicarboxylic anhydride
EINECS	224-713-4

Quality Control

Our Cyclobutane-1,2-Dicarboxylic Anhydride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 light-sensitive; containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture and light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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