Eosin Y (alcohol soluble) / Tetrabromofluorescein / alcohol soluble eosin / acid red 87

English name：Eosin Y free acid alcohol soluble；Eosin Y alcohol soluble；Eosin Y spirit soluble；2′,4′,5′,7′-Tetrabromofluorescein；Solvent red 43；Eosine acid；C.I. 45380.2

Other names: Eosin Y (alcohol soluble); Tetrabromofluorescein; Alcohol soluble eosin; Acid red 87; Solvent Red 43; Eosin Y (free acid); Eosin Y (free acid); 2 ', 4', 5 ', 7' - tetrabromo-3 ', 6' - dihydroxyspiro [isophenylpropylfuran-1 (3H), 9 '(9h) - zhanton] - 3-one

CAS No.: 15086-94-9

C20H8Br4O5=647.89

Grade: BS

Biological staining test: qualified

λ max：524nm

Physicochemical properties: orange red crystalline to red powder. Soluble in alkaline aqueous solution, soluble in acetone, ethanol, mineral oil and toluene. The maximum absorption wavelength is 524nm. Minimum lethal dose (mouse, subcutaneous) 450mg/kg

Purpose: biochemical research. Biological stain. Adsorption indicator, verification of fluoride ion, quantitative analysis and titration of bromine ion and iodine ion. Preparation of azure B and eosin stock solution

Saving: RT