Product Name：Sodium 3-hydroxynaphthalene-2,7-disulfonate
Synonyms：R Salt; R acid; Disodium 2-naphthol-3,6-disulfonate; 2-Naphthol-3,6-disulfonic acid disodium salt; 3-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt
Molecular Formula：C10H6O7S2-2.2[NA+]
Molecular Weight：348.26004
