S P E C I F I C A T I O N S

ROSE BENGAL CERTIFIED

Synonyms:					Acid Red 94; C.I. 45440; 4,5,6,7-tetrachloro-							2’4’5’7’-tetraiodofluorescein disodium salt
    
CAS No:					632-68-8

Formula:					C20H2O5Cl4I4Na2

F.W.:						1017.65

C.I. No:					45440

Appearance:					Dark red to red-brown powder

Lambda max:				~548 nm 
(in H2O + 1 ml 1% Sodium Carbonate)

Dye content:					85% Minimum

Loss on Drying:				10% Maximum

Solubility 0.1% (H2O)			Clear to slightly hazy, red solution

Effective: 05/23/19