Description

8-Amino-5-(4-Hydroxyphenylamino)Naphthalene-2-Sulfonicacid is a specialized aromatic sulfonic acid derivative that serves as a high-value intermediate in advanced chemical synthesis. This compound matters for its unique molecular structure, which combines amino, hydroxyl, and sulfonic acid functionalities, making it a versatile building block for creating complex molecules with specific properties. It is primarily needed by manufacturers in the pharmaceutical, dye, and advanced materials sectors for research and production processes. Its precise structure enables the development of targeted compounds for various high-tech applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific chromophore or chelating properties.
• Dye and Pigment Synthesis: Acts as a crucial precursor for manufacturing azo dyes, acid dyes, and other complex colorants, contributing to color fastness and hue.
• Biochemical Research: Used in the development of fluorescent probes, staining agents, and molecular tags due to its conjugated aromatic system.
• Polymer and Material Science: Serves as a functional monomer or additive to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ionic conductivity.
• Analytical Chemistry: Employed as a reagent or standard in chromatographic methods and spectroscopic analysis.
• Chemical Synthesis: Versatile intermediate for further functionalization, enabling the creation of custom-designed molecules for specialized industrial applications.

Basic Information

Item	Detail
Product Name	8-Amino-5-(4-Hydroxyphenylamino)Naphthalene-2-Sulfonicacid
CAS No.	6357-75-1
Molecular Formula	C₁₆H₁₅N₃O₄S
Molecular Weight	345.37 g/mol
Synonyms	8-Amino-5-[(4-hydroxyphenyl)amino]naphthalene-2-sulfonic acid; 5-Amino-8-[(4-hydroxyphenyl)amino]naphthalene-2-sulfonic acid; 8-Amino-5-(4-hydroxyanilino)naphthalene-2-sulfonic acid; C.I. 56005; Acid Black 107; Naphthalenesulfonic acid, 8-amino-5-[(4-hydroxyphenyl)amino]-; 6357-75-1; 8-Amino-5-(p-hydroxyphenylamino)-2-naphthalenesulfonic acid
EINECS	Contact for details

Quality Control

Our 8-Amino-5-(4-Hydroxyphenylamino)Naphthalene-2-Sulfonicacid is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and IR for structural confirmation. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We adhere to cGMP principles where applicable to support its use in regulated industries.

Storage

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

Specification

Item	Specification
Appearance	Brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
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.