Description

4-Hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid (CAS No. 25251-42-7) is a high-purity sulfonated naphthalene derivative with the molecular formula C₁₆H₁₃NO₇S₂. This compound features a hydroxyl group and two sulfonic acid groups attached to a naphthalene core, making it a versatile intermediate for organic synthesis and dye manufacturing. Its IUPAC name is 4-hydroxy-6-(3-sulfoanilino)naphthalene-2-sulfonic acid, and it is supplied as a fine powder or crystalline solid with excellent solubility in water and polar solvents. Ideal for researchers in synthetic chemistry, material science, and industrial applications, this product is rigorously tested for purity and consistency, ensuring reliable performance in advanced chemical processes. Store in a cool, dry place away from light and moisture to maintain stability.

Properties

• CAS Number: 25251-42-7
• Complexity: 697
• IUPAC Name: 4-hydroxy-6-(3-sulfoanilino)naphthalene-2-sulfonic acid
• InChI: InChI=1S/C16H13NO7S2/c18-16-9-14(26(22,23)24)6-10-4-5-12(8-15(10)16)17-11-2-1-3-13(7-11)25(19,20)21/h1-9,17-18H,(H,19,20,21)(H,22,23,24)
• InChI Key: LSDXXYNYKPLONE-UHFFFAOYSA-N
• Exact Mass: 395.01334410
• Molecular Formula: C16H13NO7S2
• Molecular Weight: 395.4
• SMILES: C1=CC(=CC(=C1)S(=O)(=O)O)NC2=CC3=C(C=C(C=C3C=C2)S(=O)(=O)O)O
• Topological: 158
• Monoisotopic Mass: 395.01334410
• Synonyms: 25251-42-7, 4-Hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid, EINECS 246-758-8, DTXSID60179908, 4-Hydroxy-6-((3-sulfophenyl)amino)-2-naphthalenesulfonic acid, 4-Hydroxy-6-[(3-sulfophenyl)amino]-2-naphthalenesulfonic acid, DTXCID80102399, 246-758-8, 4-HYDROXY-6-(3-SULFOPHENYLAMINO)-2-NAPHTHALENESULFONIC ACID, 4-hydroxy-6-(3-sulfoanilino)naphthalene-2-sulfonic acid, 4-hydroxy-6-[(3-sulfophenyl)amino]naphthalene-2-sulfonic acid, 2-Naphthalenesulfonicacid, 4-hydroxy-6-[(3-sulfophenyl)amino]-, 3-Sulfophenylgamma acid, 4-Hydroxy-6-((3-sulfophenyl)amino)naphthalene-2-sulfonic acid, SCHEMBL8015044, LSDXXYNYKPLONE-UHFFFAOYSA-N, DB-046653, NS00027845

Application

4-Hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid is primarily used as a key intermediate in the synthesis of azo dyes and sulfonated pigments, offering excellent chromophoric properties. Its sulfonic acid groups enhance water solubility, making it valuable for dye formulations in textiles, inks, and coatings. Researchers also utilize this compound in the development of fluorescent probes and ion-exchange materials due to its unique structural features. Additionally, it serves as a building block for advanced organic frameworks in material science applications.

Safety and Hazards

GHS Hazard Statements

• Not Classified
• Reported as not meeting GHS hazard criteria by 6 of 6 companies. For more detailed information, please visit ECHA C&L website.

Hazard Classes and Categories

• Not Classified

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