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Eosin Y(water soluble)
CAS NO.: 17372-87-1
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Synonyms: Tetrabromofluorescein; disodium salt ; Eosin yellowish.
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Molecular formula: C20H6O5Br4Na2
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Molecular weight: 691.86
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Property : red brown crystal. soluble in alcohol and water, is red, diluted is light green firebug light.
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Use : adsorbent , biologic dyeing agent.
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C20H6O5Br4Na2 content: 80%. Min.
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Sensitivity test: passed
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Solubility test in water: passed.
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Solubility test in ethanol: passed
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Loss of drying : 9.0% Max.
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halide (Br): 2.0% Max.
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