Description

3,3'-Diaminobiphenyl-2,2'-Diol is a bifunctional aromatic compound featuring both diamine and diol groups on a biphenyl scaffold. This unique structure makes it a versatile and valuable high-purity intermediate for advanced synthesis. It is primarily utilized in the production of high-performance polymers, specialty dyes, and pharmaceutical active ingredients. Industries requiring precise molecular building blocks for research and manufacturing will find this compound essential.

Application

• Polymer Chemistry: Key monomer for synthesizing polybenzoxazoles (PBO), polyimides, and other high-temperature, high-strength engineering plastics.
• Pharmaceutical Intermediates: Serves as a critical precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Used in the production of advanced organic dyes and pigments, particularly azo dyes, due to its diamino functionality.
• Ligand Synthesis: Acts as a precursor for creating chelating ligands used in catalysis and metal ion complexation.
• Advanced Material Research: Employed in R&D for developing novel organic electronic materials, liquid crystals, and photoresists.
• Cross-linking Agent: Functions as a cross-linker in epoxy and other resin systems to enhance thermal and mechanical properties.

Basic Information

Product Name	3,3'-Diaminobiphenyl-2,2'-Diol
CAS No.	25706-45-0
Molecular Formula	C12H12N2O2
Molecular Weight	216.24 g/mol
Synonyms	2,2'-Dihydroxy-3,3'-diaminobiphenyl; 3,3'-Diamino-[1,1'-biphenyl]-2,2'-diol; Biphenyl-2,2'-diol, 3,3'-diamino-; 2,2'-Biphenyldiol, 3,3'-diamino-; 3,3'-Diaminobiphenyl-2,2'-diol; o,o'-Diamino-o,o'-dihydroxybiphenyl
EINECS	Contact for details

Quality Control

Our 3,3'-Diaminobiphenyl-2,2'-Diol 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 industry standards. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are 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 light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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