File:Mordant black 9 (hydrazine form).svg

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English: SMILES C1=CC(=O)C2=CC=C(C(=O)C2=C1)NNC3=C(C=CC(=C3)S(=O)(=O)O)O This is the acid. Mordant Black 9 is the sodium salt of this acid. The colour code shows how it is formed: File:3-amino-4-hydroxybenzenesulfonic acid.svg (in red) diazotation, then coupling with File:naphthalene-1,5-diol.svg (in blue).
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Author Albmont


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current00:17, 28 March 2015Thumbnail for version as of 00:17, 28 March 2015217 × 186 (23 KB)Albmont (talk | contribs)User created page with UploadWizard
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