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Structure of 23038-36-0
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Metanil Yellow is used as indicator. Metanil yellow is useful in spectrophotometric methods to determine the presence of trace amounts of nitrates and nitrites in solution. The method utilizes the fact that potassium bromate can catalyze the discoloring of Metanil yellow which can then be analyzed by spectrophotometry.
1-Bromo-4-(phenylsulfonyl)benzene serves as a versatile aryl halide building block for palladium-catalyzed cross-coupling reactions, including Suzuki, Stille, and Negishi couplings. The phenylsulfonyl group provides strong electron-withdrawal, enhancing reactivity in nucleophilic substitution processes while maintaining bench stability. Its orthogonal functionalization profile enables efficient construction of biaryl scaffolds and complex heterocyclic systems relevant to medicinal chemistry and materials science 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: