In the expansive world of specialty chemicals and dye intermediates, CAS No: 6163-58-2 occupies a significant niche. Known chemically as 1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium salt, this compound plays a vital role in the production of synthetic dyes, particularly azo dyes. It is a key intermediate in the synthesis of colorants used across multiple industries—from textiles to printing inks and beyond.
This blog aims to provide a comprehensive look at the landscape of manufacturers of CAS No: 6163-58-2, global production hubs, manufacturing processes, and critical considerations for sourcing this chemical safely and reliably.
Overview of CAS No: 6163-58-2
Chemical Identity:
Chemical Name: 1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium salt
CAS Registry Number: 6163-58-2
Molecular Formula: C16H10NNaO10S3
Molecular Weight: ~497.43 g/mol
Physical Appearance: Typically appears as a reddish-brown or violet crystalline powder
Solubility: Water-soluble, making it highly compatible with aqueous systems
This compound is classified as a dye intermediate and often serves as a precursor in the production of various reactive and direct dyes. It features prominently in the synthesis of azo dyes due to its ability to undergo diazotization and coupling reactions efficiently.