Fluorescein Sodium
C20H10Na2O5
376.27
Benzoic acid, 2-(6-hydroxy-3-oxo-3H-xanthene-9-yl), sodium salt (1:2);
Fluorescein disodium salt [518-47-8]
Benzoic acid, 2-(6-hydroxy-3-oxo-3H-xanthene-9-yl), sodium salt (1:2);
Fluorescein disodium salt [518-47-8]
DEFINITION
Fluorescein Sodium contains NLT 90.0% and NMT 102.0% of fluorescein sodium (C20H10Na2O5), calculated on the anhydrous basis.
USP REFERENCE STANDARDS FOR PURCHASE
USP Diacetylfluorescein RSUSP Fluorescein Related Compound C RS
USP Phthalic Acid RS
USP Resorcinol RS