Description

5-Hydroxy-4-[[(6-Hydroxy-2-Naphthyl)Sulphonyl]Amino]Naphthalene-1,7-Disulphonic Acid, Sodium Salt is a high-purity, water-soluble organic intermediate of significant commercial importance. Its value lies in its functionalized naphthalene structure, which serves as a versatile building block for synthesizing complex dyes, pigments, and specialty chemicals. This compound is essential for manufacturers in the colorant, fine chemical, and advanced material sectors seeking reliable, high-quality raw materials for their production processes.

Application

• Primary Intermediate for Dyes and Pigments: A key precursor in the synthesis of high-performance azo and reactive dyes, particularly for textiles and leather.
• Fine Chemical Synthesis: Used as a building block in the multi-step synthesis of complex pharmaceutical intermediates and agrochemicals.
• Functional Material Production: Employed in the development of optical brighteners, liquid crystal dyes, and other advanced organic materials.
• Research & Development: Serves as a critical reagent in chemical R&D for exploring new chromophores and sulfonated compounds.
• Analytical Chemistry: Can be utilized as a standard or reagent in specific analytical methods due to its distinct chemical structure.

Basic Information

Product Name	5-Hydroxy-4-[[(6-Hydroxy-2-Naphthyl)Sulphonyl]Amino]Naphthalene-1,7-Disulphonic Acid, Sodium Salt
CAS No.	84000-89-5
Molecular Formula	C₂₁H₁₄NNa₃O₁₀S₃
Molecular Weight	629.48 g/mol
Synonyms	5-Hydroxy-4-[(6-hydroxy-2-naphthyl)sulfonylamino]naphthalene-1,7-disulfonic acid trisodium salt; 4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid, N-(6-hydroxy-2-naphthyl)sulfonyl-, trisodium salt; 1,7-Naphthalenedisulfonic acid, 4-[[(6-hydroxy-2-naphthyl)sulfonyl]amino]-5-hydroxy-, trisodium salt; Acid Black 210 (related dye class); Trisodium 5-hydroxy-4-[(6-hydroxynaphthalene-2-sulfonamido)]naphthalene-1,7-disulfonate
EINECS	Contact for details

Quality Control

Our production of 5-Hydroxy-4-[[(6-Hydroxy-2-Naphthyl)Sulphonyl]Amino]Naphthalene-1,7-Disulphonic Acid, Sodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing key specifications are provided to guarantee traceability and compliance with your technical requirements.

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 tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product quality and handling.

Specification

Item	Specification
Appearance	Light beige to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Contact for details

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