Erythrosine B

赤藓红B

Also known as: Acid Red 51, FD&C Red 3, Food Red 3, Tetraiodofluorescein disodium salt, 2',4',5',7'-Tetraiodofluorescein disodium salt, C.I. 45430, Erythrosin B, Erythrosine disodium salt, Japan Red 3, IODOEOSIN, EOSIN J, Sodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate), Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, sodium salt (1:2)

Erythrosine B (CAS 16423-68-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H6I4Na2O5 and a molecular weight of 879.856 g/mol. It is also known as Acid Red 51, FD&C Red 3 and Food Red 3. Key properties include a melting point of >300ºC (Decomposes), a boiling point of 693.2ºC at 760 mmHg, a density of 0.98 and a flash point of 373ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

16423-68-0

Jingsj CID

J-49285-8

Molecular Formula

C₂₀H₆I₄Na₂O₅

Chinese Name

赤藓红B

Molecular Weight

879.856 g/mol

Category

Organic Compounds

Last updated

8/21/2026