Disodium 6,6′-oxybis (2-naphthalenesulfonate) - CAS 61551-82-4

Disodium 6,6′-oxybis (2-naphthalenesulfonate) is an impurity found in Sunset Yellow FCF and functions as a surfactant, emulsifier, and dispersant.

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61551-82-4

C20H12Na2O7S2

474.42

O=S([O-])(C1=CC=C2C=C(C=CC2=C1)OC3=CC4=CC=C(S(=O)([O-])=O)C=C4C=C3)=O.[Na+].[Na+]

-20°C

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