Description

2-Hydroxycyclobut-2-ene-1,4-dione is a specialized four-membered cyclic diketone derivative with unique reactivity. This compound serves as a valuable high-purity synthetic intermediate and building block in advanced organic synthesis. It is primarily utilized by pharmaceutical R&D and fine chemical manufacturers for developing novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and complex bioactive molecules.
• Fine Chemical Synthesis: Building block for creating specialized ligands, catalysts, and advanced organic materials.
• Agrochemical Research: Used in developing new active ingredients for crop protection products.
• Academic & Industrial R&D: Serves as a critical reagent in methodological development and discovery chemistry.
• Material Science: Potential monomer or cross-linking agent for developing polymers with specific thermal or optical properties.

Basic Information

Product Name	2-Hydroxycyclobut-2-ene-1,4-dione
CAS No.	39284-13-4
Molecular Formula	C4H2O3
Molecular Weight	98.06 g/mol
Synonyms	2-Hydroxy-1,4-cyclobutenedione; 1,4-Dihydroxycyclobut-2-ene-1,4-dione; Cyclobutenedione, 2-hydroxy-; 2-Hydroxycyclobut-2-ene-1,4-dione; Squaric acid derivative; 1,2-Dihydroxycyclobutenedione; 3,4-Dihydroxycyclobut-3-ene-1,2-dione (tautomer)
EINECS	Contact for details

Quality Control

Our 2-Hydroxycyclobut-2-ene-1,4-dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting standards for research and development. Certificates of Analysis (COA) with full traceability are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.