Uses
1-Hydroxy-4-(p-tolylamino)anthracene-9,10-dione (cas# 81-48-1) is a useful research chemical. Dyes and metabolites, Environmental Testing.
Preparation
1,4-Dihydroxyanthracene-9,10-dione Or Anthracene-1,4,9,10-tetraol Or 1-Bromo-4-hydroxyanthraquinone Or 1-Chloro-4-hydroxyanthracene-9,10-dione and p-Methylaniline reaction.
Flammability and Explosibility
Not classified
Synthesis
1-Hydroxy-4-(p-methylphenylamino)
anthraquinone
is prepared from the leuco form of quinizarin
and p-toluidine , or from 4-halo-
1-hydroxyanthraquinone and p-toluidine.
Properties and Applications
brilliant blue purple. In concentrated sulfuric acid for SAP green, dilution after olive, red blue precipitation
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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>7
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330
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Insoluble
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