Description

3.4-Biphenyldiol is a high-purity organic compound, also known as 3,4-Dihydroxybiphenyl, valued for its role as a versatile chemical intermediate and antioxidant precursor. Its molecular structure makes it a critical building block in the synthesis of advanced materials and specialty chemicals. This product is essential for manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-quality raw materials for research and production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Polymer Industry: Serves as a monomer or stabilizer precursor in the production of high-performance resins and engineering plastics.
• Agrochemical Synthesis: Acts as a key intermediate in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Antioxidant Production: A starting material for synthesizing phenolic antioxidants used in rubber, plastics, and fuels.
• Liquid Crystal Materials: Employed in the research and development of liquid crystal compounds for display technologies.
• Dye and Pigment Intermediate: Utilized in the synthesis of complex organic dyes and colorants.
• Research & Development: A valuable reagent in organic chemistry research for coupling reactions and material science studies.

Basic Information

Item	Details
Product Name	3.4-Biphenyldiol
CAS No.	92-05-7
Molecular Formula	C12H10O2
Molecular Weight	186.21 g/mol
Synonyms	3,4-Dihydroxybiphenyl; 4-Phenylcatechol; 3,4-Biphenyldiol; 1,2-Dihydroxy-4-phenylbenzene; 4-Phenyl-1,2-benzenediol; [1,1'-Biphenyl]-3,4-diol; 3,4-Dihydroxy-1,1'-biphenyl
EINECS	202-120-5

Quality Control

Our 3.4-Biphenyldiol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its property of being easily oxidized, it is recommended to store under an inert atmosphere such as nitrogen for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 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.