Eosin Y(water soluble)

CAS NO.: 17372-87-1

Synonyms: Tetrabromofluorescein; disodium salt ; Eosin yellowish.

Molecular formula: C20H6O5Br4Na2

Molecular weight: 691.86

Property :  red brown crystal. soluble in alcohol and water, is red, diluted is light green firebug light. 

Use : adsorbent , biologic dyeing agent.

C20H6O5Br4Na2 content: 80%. Min.  

Sensitivity test: passed

Solubility test in water: passed.

Solubility test in ethanol: passed

Loss of drying : 9.0% Max.

halide (Br): 2.0% Max.