Description

1,2-Benzenediol, 4,4'-(2,3-Dimethyl-1,4-Butanediyl)Bis-, (R*,S*)- is a specialized bis(catechol) derivative, a high-purity synthetic intermediate of significant commercial interest. Its value lies in its unique molecular structure, which serves as a critical building block for advanced materials and fine chemical synthesis. This compound is essential for R&D and production in sectors such as polymer chemistry, pharmaceuticals, and specialty additives, where precise molecular architecture is required.

Application

• Polymer Chemistry: Acts as a key monomer or chain extender in the synthesis of high-performance polymers, including polycarbonates, polyesters, and epoxy resins, where it imparts enhanced thermal stability and mechanical properties.
• Pharmaceutical Intermediates: Serves as a crucial synthetic precursor for active pharmaceutical ingredients (APIs), particularly in developing compounds with specific stereochemistry for therapeutic applications.
• Antioxidant Synthesis: Used as a foundational structure for manufacturing complex phenolic antioxidants and stabilizers for plastics, rubber, and lubricants to prevent oxidative degradation.
• Ligand and Chelating Agent: Functions as a building block for creating sophisticated ligands in coordination chemistry, useful in catalysis and metal ion sequestration processes.
• Advanced Material Research: Employed in R&D for organic electronic materials, such as hole-transport layers or as a component in novel organic frameworks.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex dyes, pigments, and other specialty organic compounds requiring a bis(catechol) core.

Basic Information

Product Name	1,2-Benzenediol, 4,4'-(2,3-Dimethyl-1,4-Butanediyl)Bis-, (R*,S*)-
CAS No.	741285-10-9
Molecular Formula	C18H22O4
Molecular Weight	302.37 g/mol
Synonyms	2,3-Dimethyl-1,4-butanediyl bis(4-hydroxybenzenecarboxylate); Bis(3,4-dihydroxyphenyl)-2,3-dimethylbutane; (R*,S*)-4,4'-(2,3-Dimethylbutane-1,4-diyl)bis(benzene-1,2-diol); 2,3-Dimethylbutane-1,4-diyl bis(3,4-dihydroxybenzoate); Tetramethylbutyl-linked bis(catechol); TMBB-Catechol; Catechol dimer derivative
EINECS	Contact for details

Quality Control

Our 1,2-Benzenediol, 4,4'-(2,3-Dimethyl-1,4-Butanediyl)Bis-, (R*,S*)- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for research and industrial use. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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