Description

Phenol, 3-Amino-4-Mercapto- (9Ci) is a specialized aromatic compound featuring both amino and thiol functional groups on the phenol ring, making it a versatile intermediate for advanced synthesis. This unique bifunctional structure is critical for applications requiring precise molecular modification and the formation of stable conjugates. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in developing molecules with targeted biological activity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive sites for creating specific bioactive structures.
• Polymer Modification: Serves as a functional monomer or cross-linking agent to introduce amino and thiol groups into polymer chains, enhancing material properties like adhesion and reactivity.
• Chemical Research & Development: Essential reagent in organic synthesis labs for constructing complex heterocyclic compounds and conducting structure-activity relationship (SAR) studies.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and colorants, where its phenolic and amino groups contribute to chromophore development.
• Chelating Agent Precursor: Acts as a starting material for synthesizing ligands capable of binding to metal ions, useful in catalysis and analytical chemistry.

Basic Information

Product Name	Phenol, 3-Amino-4-Mercapto- (9Ci)
CAS No.	228564-80-5
Molecular Formula	C6H7NOS
Molecular Weight	141.19 g/mol
Synonyms	3-Amino-4-mercaptophenol; 4-Mercapto-3-aminophenol; 3-Amino-4-hydroxybenzenethiol; 3-Amino-4-sulfanylphenol; 4-Hydroxy-3-aminobenzenethiol; 2-Amino-5-hydroxythiophenol; 1-Hydroxy-2-amino-5-mercaptobenzene
EINECS	Contact for details

Quality Control

Every batch of Phenol, 3-Amino-4-Mercapto- (9Ci) is produced and tested under a strict quality management system to ensure consistency and purity for demanding industrial and research applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to ensure compliance with industry standards. Certificates of Analysis (COA) documenting batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline 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.