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Structure of 118-33-2
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6-Aminonaphthalene-1,3-disulfonic acid features a naphthalene core bearing two sulfonic acid groups and a primary amine at the 6-position, offering high water solubility and robust stability under standard conditions. The electron-rich aromatic system enables efficient coupling reactions, while the ortho-sulfonate arrangement enhances solvation and reactivity in aqueous media. This structure supports use in dye synthesis, polymer functionalization, and bioconjugation workflows requiring precise charge distribution and hydrophilic character.
6-Aminonaphthalene-1,3-disulfonic acid serves as a versatile building block for sulfonated aromatic systems, enabling efficient access to dyes, ion-exchange resins, and functionalized heterocycles. Its ortho-disulfonic acid groups provide enhanced water solubility and stability, while the 6-amino functionality facilitates direct coupling reactions, including diazotization and electrophilic substitution. The compound exhibits excellent bench stability and simplifies purification in aqueous media, making it well-suited for scalable synthesis in industrial and process chemistry applications.
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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: