Sodium 3-nitrobenzenesulfonate
Sodium 3-nitrobenzenesulfonate (CAS: 127-68-4) is an aromatic sulfonate featuring a meta-nitro group that activates the ring toward nucleophilic aromatic substitution while the sulfonate imparts water solubility. This white crystalline compound serves as a key intermediate in dye manufacturing, where the nitro group is reduced to an amine for diazotization and coupling reactions producing azo dyes. It functions as a dye-leveling agent in textile processing, promoting uniform color penetration and preventing uneven dyeing. The compound also acts as a mild oxidizing agent in chemical synthesis and as an electrolyte additive in specialty applications. Additional uses include catalyst formulations and as a chemical intermediate for agrochemicals. Its stable crystalline form, good solubility, and predictable reactivity make sodium 3-nitrobenzenesulfonate a dependable reagent for coloration and specialty chemical processes.
– Dye Intermediate: Used in azo dye synthesis where the nitro group is reduced and diazotized for coupling with naphthol and aniline components.
– Textile Leveling Agent: Applied in dye baths promoting uniform color uptake and preventing streaking or uneven shade development on fabrics.
– Chemical Synthesis: Serves as a building block for aminobenzenesulfonate intermediates used in pigments and specialty chemicals.
– Oxidation Applications: Employed as a mild oxidant and process chemical in selected organic transformations and formulation systems.
Product Name: Sodium 3-nitrobenzenesulfonate
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