Details for Carmoisine
Carmoisine
Category: Dyestuffs and Pigments/Acid Dyes
CAS NO: 3567-69-9 EC NO: 222-657-4 Molecular Formula: C20H12N2Na2S2O7 Molecular Weight: 502.428 Specification: InChI: InChI=1/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16;;/h1-11,21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-17-;; Product description:
；Reddish-brown crystals or dark maroon powder.；Inks & drug colorants.；Synonyms: C.I. 14720;C.I. Acid Red 14;C.I. Acid Red 14, disodium salt;C.I. Acid Red No. 14;C.I. Food Red 3;C.I. Acid Red 14, disodium salt (8CI);Acid Red 14 (14720);Carmoisine;Azorubin;Acid Red 14;C.I.Acid Red 14;disodium 4-[(2Z)-2-(1-oxo-4-sulfonatonaphthalen-2(1H)-ylidene)hydrazino]naphthalene-1-sulfonate; Molecular Structure: 
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