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4-Aminotoluene-3-Sulfonic Acid
4B acid is a white or beige powder.Common organic amines, slightly soluble in hot water, insoluble in cold water, benzene and chlorobenzene, soluble in ethanol, ether and dilute alkali solution.
Product characteristics
4B acid is a white or beige powder.
Application area
As an important intermediate of organic pigment, 4B acid can be used to synthesize pigment brilliant red 6B and Risobel BK.
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