Description

Tetrabutyl Squarate is a high-purity organic ester derived from squaric acid. This compound serves as a versatile chemical intermediate and building block in advanced organic synthesis, valued for its unique squarate ring structure. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Synthesis: Acts as a key precursor for developing new herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Employed as a cross-linking agent or monomer for creating specialty polymers, coatings, and dendrimers.
• Organic Synthesis Building Block: Utilized in Diels-Alder reactions and other cycloadditions to construct complex polycyclic structures.
• Ligand & Chelating Agent Precursor: Serves as a starting material for synthesizing ligands used in catalysis and metal-organic frameworks (MOFs).
• Research & Development: A critical reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	Tetrabutyl Squarate
CAS No.	121289-36-9
Molecular Formula	C20H34O4
Molecular Weight	338.48 g/mol
Synonyms	Squaric Acid Tetrabutyl Ester; 3,4-Dibutoxy-3-cyclobutene-1,2-dione; Tetrabutoxycyclobutenedione; Butyl Squarate; 1,2,3,4-Tetrabutoxycyclobut-1-ene-3,4-dione; Cyclobut-1-ene-1,2,3,4-tetrol, Tetrabutyl Ether; Tetrakis(butyloxy)cyclobutenedione
EINECS	Contact for details

Quality Control

Our Tetrabutyl Squarate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets high-purity standards suitable for research and industrial synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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