Description

Sodium 5-[[(3-Amino-4-Hydroxyphenyl)Sulphonyl]Amino]Naphthalene-2-Sulphonate is a high-purity, water-soluble organic chemical intermediate of significant industrial importance. This compound is valued for its functional aromatic structure, which makes it a versatile building block in the synthesis of more complex molecules. It is primarily sought after by manufacturers in the dye and pigment, pharmaceutical, and specialty chemical industries for research and production applications.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, direct dyes, and reactive dyes, particularly for coloring textiles like wool, silk, and nylon.
• Pharmaceutical Synthesis: Serves as a crucial building block for creating active pharmaceutical ingredients (APIs) and diagnostic agents due to its sulphonate and amino functional groups.
• Chemical Research & Development: Used in organic synthesis laboratories for developing new compounds, including functional polymers and ligands for metal complexes.
• Specialty Chemical Manufacturing: Employed in the production of additives, surfactants, and other performance chemicals where sulphonated aromatic structures are required.

Basic Information

Product Name	Sodium 5-[[(3-Amino-4-Hydroxyphenyl)Sulphonyl]Amino]Naphthalene-2-Sulphonate
CAS No.	85895-79-0
Molecular Formula	C₁₆H₁₂N₂Na₂O₇S₂
Molecular Weight	470.39 g/mol
Synonyms	5-[(3-Amino-4-hydroxyphenyl)sulfonylamino]naphthalene-2-sulfonic acid disodium salt; 5-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]-2-naphthalenesulfonic acid disodium salt; Acid Black 210; C.I. 28440; Sodium 5-[(3-amino-4-hydroxyphenyl)sulfonamido]naphthalene-2-sulfonate; 1-Naphthalenesulfonic acid, 5-[[(3-amino-4-hydroxyphenyl)sulfonyl]amino]-, sodium salt (1:2)
EINECS	Contact for details

Quality Control

Our production of Sodium 5-[[(3-Amino-4-Hydroxyphenyl)Sulphonyl]Amino]Naphthalene-2-Sulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are provided to guarantee the material meets your precise application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Heavy Metals	≤ 20 ppm
Solubility	Freely soluble in water

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