4403-89-8

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4403-89-8 Structure

Chemical Properties	Back Directory
[EPA Substance Registry System] Benzenesulfonic acid, 2-[(4-amino-9,10-dihydro-3-methyl-9,10-dioxo-1-anthracenyl)amino]-5-methyl-, monosodium salt (4403-89-8)

Raw materials And Preparation Products	Back Directory
[Raw materials] 2-Methyl anthraquinone-->1-Amino-4-bromo anthraquinone-->1-amino-4-chloroanthracene-9,10-dione-->p-Toluidine

Hazard Information	Back Directory
[Purification Methods] Purify the dye by salting out an aqueous solution three times with sodium acetate, followed by repeated extraction with EtOH [McGrew & Schneider J Am Chem Soc 72 2547 1950]. [Beilstein 14 H 706, 725.]

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