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Structure of 88-21-1
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2-Aminobenzenesulfonic acid features a sulfonic acid group directly attached to the aromatic ring, conferring high water solubility and strong acidity. The ortho-amino functionality enables facile coupling reactions in dye synthesis and pharmaceutical intermediates. This bench-stable compound serves as a key building block for azo dyes, sulfonamide derivatives, and functional polymers.
2-Aminobenzenesulfonic acid serves as a key building block in the synthesis of azo dyes, sulfonamide derivatives, and pharmaceutical intermediates. Its dual functionality—amine and sulfonic acid groups—enables facile coupling reactions and enhances water solubility. The compound exhibits good bench stability and is compatible with standard purification techniques, facilitating its use in multi-step syntheses and scale-up processes.
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GHS Pictogram :
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GHS No : GHS05
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Signal Word : Danger
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UN#: 2585
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Class : 8
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Packing Group : Ⅲ
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Hazard Statements : H314
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Precautionary Statements : P260-P264-P280-P301+P330+P331-P304+P340-P363-P405-P501
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Lot numbers can be found on the outside label of a product: