Application
Chromatographic analysis reagents, medium preparation, sperm staining, acid-base indicator, pH discoloration range 10.0 (yellow) ~ 12.0 (brown).
Properties and Applications
dark yellow. Yellow powder. Soluble in water for yellow, slightly soluble in Etanol, Acetone and Cellosolve, insoluble in other organic solvent. In concentrated sulfuric acid to orange, dilution after light green light yellow, In concentrated nitric acid for red yellow solution. Its aqueous solution to join concentrated hydrochloric acid for shallow green light yellow, accompanied by precipitation; Join concentrated Sodium hydroxide solution for brown light orange. Used for dyeing cotton, wool, silk and nylon fabric dyeing.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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3-4
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4-5
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4
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2-3
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4
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4
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4-5
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AATCC
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3
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5-6
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4-5
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4-5
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4
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4-5
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