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OB-1 ACID |
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4B-acid(dye intermediate) |
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4.4-Diphenylethylene-Bicardoxylic Acid 98% |
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USED AS MATERIAL FOR MAKING OUT OPTICAL BRIGHTENING AGENTS. |
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Stable light yellow crystallized powder with the meltingpoint of 460 , which is soluble in diluted alkali solution,but insoluble in water and majoring of organic solvents |
Industrial field |
dye & pigment |
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There are no existing companies to distribute selected chemical product |
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