Description

Sodium 5-[(4-Hydroxyphenyl)Amino]-8-(Phenylamino)Naphthalenesulphonate is a specialized naphthalene-based sulfonate salt with a complex aromatic amine structure. This compound is valued for its unique chemical properties, which make it a versatile intermediate in the synthesis of advanced functional dyes and pigments. It is primarily sought after by manufacturers in the fine chemicals, specialty dyes, and advanced material research sectors for developing products with specific optical and binding characteristics.

Application

• Key Intermediate for Functional Dyes: Serves as a critical building block in the synthesis of high-performance azo and naphthalene-based dyes.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics requiring enhanced color fastness and stability.
• Research & Development: Employed in academic and industrial R&D for exploring novel chromophores and photoactive materials.
• Textile Industry: Potential application in the development of specialized textile dyes with improved affinity for synthetic fibers.
• Analytical Chemistry: May be used as a reagent or standard in chromatographic analysis and method development due to its distinct structure.
• Electro-Optic Materials: Investigated for use in the development of organic semiconductors and non-linear optical materials.

Basic Information

Product Name	Sodium 5-[(4-Hydroxyphenyl)Amino]-8-(Phenylamino)Naphthalenesulphonate
CAS No.	94159-57-6
Molecular Formula	C22H17N2NaO4S
Molecular Weight	428.43 g/mol
Synonyms	5-[(4-Hydroxyphenyl)amino]-8-(phenylamino)naphthalene-1-sulfonic acid sodium salt; Sodium 8-anilino-5-(4-hydroxyphenylamino)naphthalene-1-sulfonate; Acid Black 210 (C.I. 157110); C.I. Acid Black 210; Naphthalenesulfonic acid, 5-[(4-hydroxyphenyl)amino]-8-(phenylamino)-, sodium salt; Sodium 1-Naphthalenesulfonate, 5-[(4-hydroxyphenyl)amino]-8-(phenylamino)-; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of Sodium 5-[(4-Hydroxyphenyl)Amino]-8-(Phenylamino)Naphthalenesulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR for structural confirmation, and elemental analysis, to ensure consistency and meet precise customer specifications. A detailed Certificate of Analysis (COA) is provided with each 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	Contact for details
Solubility	Soluble in water, alkaline solutions

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