Description

[1,1-Biphenyl]-2,2-Diol,3,5,5-Trimethyl-(9CI) is a specialized phenolic compound with a unique biphenyl diol structure. This chemical serves as a valuable high-purity intermediate and building block in advanced organic synthesis, where its sterically hindered phenolic groups offer distinct reactivity. It is primarily needed by pharmaceutical R&D and fine chemical manufacturers for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring complex polyphenolic scaffolds.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of high-performance, heat-resistant resins and specialty polymers.
• Antioxidant Precursor: Used in the development of advanced sterically hindered phenolic antioxidants for stabilizing fuels, lubricants, and plastics.
• Ligand Synthesis: Serves as a precursor for creating sophisticated chelating ligands used in catalysis and metal complexation.
• Agrochemical Research: Intermediate in the development of new-generation plant protection agents and growth regulators.
• Material Science: Employed in research for organic electronic materials and advanced coatings.

Basic Information

Item	Details
Product Name	[1,1-Biphenyl]-2,2-Diol,3,5,5-Trimethyl-(9CI)
CAS No.	62156-71-2
Molecular Formula	C15H16O2
Molecular Weight	228.29 g/mol
Synonyms	3,5,5-Trimethyl-[1,1'-biphenyl]-2,2'-diol; 2,2'-Dihydroxy-3,5,5'-trimethyl-1,1'-biphenyl; 3,5,5-Trimethylbiphenyl-2,2'-diol; NSC 403119; Biphenyl-2,2'-diol, 3,5,5'-trimethyl-; Trimethylbiphenyldiol
EINECS	Contact for details

Quality Control

Every batch of [1,1-Biphenyl]-2,2-Diol,3,5,5-Trimethyl-(9CI) is manufactured under strict quality management systems. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, ensuring traceability and consistency for critical R&D and production applications. Our quality commitment aligns with cGMP principles where required.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

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	≤ 20 ppm

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