Description

[1,1-Biphenyl]-4-Yloxy,4-Hydroxy-3,3,5,5-Tetramethyl-(9Ci) is a high-purity biphenyl derivative characterized by its sterically hindered phenolic structure. This compound is valued for its role as a versatile chemical intermediate and antioxidant precursor in advanced material synthesis. It is primarily utilized by R&D laboratories and industrial manufacturers in the polymer, specialty chemical, and pharmaceutical sectors for developing products requiring enhanced stability and specific functional properties.

Application

• Polymer Additive & Stabilizer: Serves as a key intermediate in the synthesis of high-performance antioxidants and light stabilizers for plastics, resins, and synthetic rubbers.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Specialty Chemical Synthesis: Acts as a building block for creating complex organic compounds, including ligands for catalysts and advanced material monomers.
• Liquid Crystal & OLED Materials: Employed in the development of organic electronic materials due to its biphenyl core and functional groups.
• Agrochemical Intermediates: Utilized in the synthesis of novel crop protection agents and plant growth regulators.
• Research & Development: A valuable reagent for academic and industrial research in organic chemistry and material science.

Basic Information

Item	Detail
Product Name	[1,1-Biphenyl]-4-Yloxy,4-Hydroxy-3,3,5,5-Tetramethyl-(9Ci)
CAS No.	77151-67-8
Molecular Formula	C18H22O2
Molecular Weight	270.37 g/mol
Synonyms	4-Hydroxy-3,3,5,5-tetramethyl[1,1'-biphenyl]-4-yl ether; 4-(4-Hydroxyphenoxy)-2,6,2',6'-tetramethylbiphenyl; 2,6,2',6'-Tetramethyl-4-(4-hydroxyphenoxy)biphenyl; 4-Hydroxy-3,3',5,5'-tetramethylbiphenyl-4-yl ether; Biphenyl-4-ol, 4-hydroxy-3,3,5,5-tetramethyl- (9CI)
EINECS	Contact for details

Quality Control

Our [1,1-Biphenyl]-4-Yloxy,4-Hydroxy-3,3,5,5-Tetramethyl-(9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing all critical quality parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from heat, sparks, and open flames.

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 (as Pb)	≤ 10 ppm

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