CAS Registry Number

CAS 525-05-3 — 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is a sulfonic acid derivative used in dye synthesis and analytical chemistry. It serves as an intermediate in the production of azo dyes and as a reagent in metal ion detection. Available in powder form, it has a molecular weight of 377.261 g/mol, a CAS number of 525-05-3, and is stable at ambient temperatures. Store under normal conditions with caution due to the warning signal word. Molekula supplies 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.