Title: Nitroso-R Salt
CAS Registry Number: 525-05-3
CAS Name: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt
Synonyms: sodium salt of 1-nitroso-2-hydroxynaphthalene-3,6-disulfonic acid
Molecular Formula: C10H5NNa2O8S2
Molecular Weight: 377.26
Percent Composition: C 31.84%, H 1.34%, N 3.71%, Na 12.19%, O 33.93%, S 17.00%
Properties: Golden-yellow, fan-shaped crystals. Sol in ~40 parts water; more sol in hot water; slightly sol in methyl or ethyl alcohol.
Use: As a reagent for cobalt and potassium.