Uses
Fluorol Yellow 088 is a polyaromatic organic dye used to stain plant tissue.
Preparation
p-Cresol (2 Moore) and Phthalic anhydride (1 Moore) condensation get 2 ‘, 7 ‘- dimethyl – fluoran in 24% sulfuric acid?central change, its product with zinc and ammonia in the pressure reduction get dye, and then in 250 ~ 280 ℃ / 1-2 mmHG sublimation, refined.
Properties and Applications
dark olive green (mineral oil). Used for hydrocarbon solvent, grease, paraffin wax color
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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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General
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Insoluble
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