Naphthol Yellow S

Synonym(s):

2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt

Empirical Formula (Hill Notation):

C₁₀H₄N₂Na₂O₈S

CAS Number:

846-70-8

Molecular Weight:

358.19

EC Number:

212-690-2

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70540

Naphthol Yellow S, for microscopy (Hist.), for the precipitation (of amino acids and peptides)

49547

Naphthol Yellow S, analytical standard