1,5-Naphthalene disulfonic acid CAS 211366-30-2 Molecular formula C10H8O6S2 Mol.Wt 288 1,5-Naphthalene disulfonic acid CAS211366-30-2Structural formula Molecular formulaC10H8O6S2Mol.Wt288AppearanceGray powder crystallinePurty≥98%Packing850kg knitted-pack, protecting against tides. 1,5-Naphthalene disulfonic acid