Naphthol Yellow S Hydrate

CAS: 846-70-8

Ref. TR-N369048

Product Information

• Name: Naphthol Yellow S Hydrate
• Synonyms: 2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, disodium salt (8CI,9CI), Flavianic acid sodium salt (6CI), 1307 Yellow, 1422 Yellow, A.F. Yellow No.1, Acid Leather Yellow NYS, Acid Yellow 1, Acid Yellow S, Amacid Yellow S, C.I. 10316, C.I. Acid Yellow 1, C.I. Food Yellow 1, Calcocid Yellow S, Dolkwal Naphthol Yellow S, Dynacid Yellow S, Edicol Supra Yellow Y, Ext D & C Yellow 7, Ext D and C Yellow No. 7, Ext D&C Yellow No. 7-38007, Ext D&C Yellow No. 7-90126, External D and C Yellow 7, External Yellow 7, FD and C Yellow No. 1, Flavianic acid disodium salt, Hispacid Yellow NSF, Japan Yellow 403-1, Japan Yellow No. 403-1, Java Naphthol Yellow S, KCA Naphthol Yellow S, Kiton Yellow S, Maple Naphthol Yellow S, Monacid Yellow RS, Nankai Naphthol Yellow S, Naphthol Lake Yellow FY, Naphthol Yellow, Naphthol Yellow L, Naphthol Yellow OS, Naphthol Yellow PL, Naphthol Yellow RS, Naphthol Yellow S, Naphthol Yellow S 38007, Naphthol Yellow S 90126, Naphthol Yellow SEL 12, Naphthol Yellow SFQ, Naphthol Yellow SNA, Naphthol Yellow SXX, Naphthol yellow S sodium salt, Naphtocard Yellow S, Naphtol Yellow S, Paper Yellow L, Rakuto Naphthol Yellow S, Sodium flavianate, Solar Yellow NY, Solar Yellow NY conc, Solar Yellow NY, sodium salt, Sulfur Yellow S, Transparent Yellow Lake 16091, Triacid Yellow S, Yellow 403-1, Yellow Lake 71, Yellow No. 403
• Brand: TRC
• Description: Applications Naphthol Yellow S Hydrate is used in methods for dying of textiles.References Schoepgens, J., et al.: Ger. Offen., (2020)

Chemical properties

• Molecular weight: 358.1919
• Formula: C₁₀H₄N₂O₈S·2Na
• Color/Form: Neat
• InChI: InChI=1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;/q;2*+1/p-2
• SMILES: O=[N+]([O-])c1cc([N+](=O)[O-])c2ccc(S(=O)(=O)[O-])cc2c1[O-].[Na+].[Na+]