Description

4-Amino-3-Biphenylol, Hydrogen Sulfate is a specialized organic salt derivative of biphenyl, serving as a crucial intermediate in advanced chemical synthesis. Its value lies in providing a functionalized aromatic core that is essential for constructing complex molecules in research and industrial applications. This compound is primarily needed by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with biphenyl-based structures.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Serves as a precursor for developing specialized azo dyes and high-performance organic pigments.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and other functional polymeric materials.
• Chemical Research: A versatile reagent for organic synthesis, including coupling reactions and the introduction of amino and sulfate functionalities.

Basic Information

Product Name	4-Amino-3-Biphenylol, Hydrogen Sulfate
CAS No.	73728-82-2
Molecular Formula	C12H11NO4S
Molecular Weight	265.29 g/mol
Synonyms	3-Amino-4-hydroxybiphenyl hydrogen sulfate; 4-Amino-3-phenylphenol sulfate; [1,1'-Biphenyl]-3-amino-4-ol, hydrogen sulfate; 3-Phenyl-4-aminophenol sulfate; 4-Amino-3-hydroxybiphenyl sulfate; Biphenyl-3,4-diamine derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4-Amino-3-Biphenylol, Hydrogen Sulfate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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