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Structure of 81-05-0
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6-Aminonaphthalene-1-sulfonic acid serves as a key building block for azo dyes and functionalized heterocycles, offering robust bench stability and excellent solubility in aqueous and polar organic media. Its ortho-directed sulfonic acid group enhances regioselectivity in electrophilic substitution, while the primary amine enables straightforward coupling reactions. The compound functions reliably in diazotization and coupling workflows, facilitating efficient access to dye intermediates and bioactive scaffolds under standard laboratory conditions.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: