Description

4-Amino-4'-Hydroxybiphenyl is a high-purity aromatic amine derivative that serves as a critical building block in advanced organic synthesis. Its bifunctional structure, featuring both amino and hydroxy groups, makes it a versatile intermediate for creating complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with biphenyl-based structures.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a crucial intermediate for producing azo dyes and other high-value colorants.
• Polymer Chemistry: Acts as a monomer or chain extender in the production of specialty polymers, including polyimides and liquid crystal polymers (LCPs).
• Research & Development: Employed in academic and industrial R&D for exploring new organic reactions and material science applications.
• Cross-Coupling Reactions: A valuable substrate in palladium-catalyzed reactions like Suzuki and Buchwald-Hartwig amination for constructing complex biaryl systems.

Basic Information

Product Name	4-Amino-4'-Hydroxybiphenyl
CAS No.	1204-79-1
Molecular Formula	C12H11NO
Molecular Weight	185.22 g/mol
Synonyms	4-Amino-4'-hydroxy-1,1'-biphenyl; [1,1'-Biphenyl]-4,4'-diamine, 4'-hydroxy-; 4'-Hydroxybiphenyl-4-amine; 4-(4-Aminophenyl)phenol; p-Aminophenyl-phenol; 4,4'-Diaminobiphenyl-4'-ol; 4-Hydroxy-4'-aminobiphenyl
EINECS	214-886-5

Quality Control

Our 4-Amino-4'-Hydroxybiphenyl is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the stringent requirements of our global customer base. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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