- Synthesis method of solvent blue 122
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The invention relates to a synthesis method of solvent blue 122. The method comprises the following steps: a, adding water, hydrochloric acid and p-aminoacetanilide into a reaction container, and uniformly stirring to obtain a first mixed solution; b, add
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Paragraph 0027-0047
(2019/12/10)
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- Preparation method of anhydrous-process solvent blue 122
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The invention discloses a preparation method of anhydrous-process solvent blue 122. The preparation method comprises the following steps: adding 1,4-dihydroxyanthraquinone, p-aminoacetanilide, a 1,4-dihydroxyanthraquinone leuco body, boric acid and organi
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Paragraph 0016; 0017; 0018; 0019
(2019/06/11)
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