Eosin Y (Eosin Yellowish Y)
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
(Certified Biological Eosin Y; Sodium Tetrabromofluorescein), C20H6Br4Na2O5 691.85 CAS RN®: 17372-87-1.—Red to brownish-red pieces or powder. Use ACS reagent grade.
