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Structure of 493-52-7
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Chain transfer agent for radical polymerization of methacrylates. Brominating reagent.
Methyl red serves as a pH indicator and versatile aryl azo dye, widely employed in analytical chemistry for titrations involving weak bases. Its stable diazo functionality enables straightforward coupling reactions with aromatic amines under mild conditions. The compound exhibits excellent bench stability, minimal solubility in nonpolar media, and facilitates easy purification—making it well-suited for use in both laboratory-scale assays and process chemistry workflows.
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GHS Pictogram :
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GHS No : GHS02,GHS07,GHS08
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Signal Word : Danger
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UN#: 1170
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Class : 3
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Packing Group : Ⅱ
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Hazard Statements : H225-H319-H371
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Precautionary Statements : P210-P233-P240-P241-P242-P243-P260-P264-P270-P280-P370+P378-P405-P501
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Lot numbers can be found on the outside label of a product: