Erythrosin B sodium salt

• CAT Number: M003900
• CAS Number: 568-63-8
• Molecular Formula: C20H6I4Na2O5
• Molecular Weight: 879.86
• Purity: ≥95%
• Synonyms: disodium;9-(2-carboxyphenyl)-2,4,5,7-tetraiodo-6-oxoxanthen-3-olate
• IUPAC Name: disodium;2-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate
• InChI: InChI=1S/C20H8I4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
• InChIKey: IINNWAYUJNWZRM-UHFFFAOYSA-L
• SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)I)[O-])I)I)I)C(=O)[O-].[Na+].[Na+]

Erythrosin B sodium salt（Cat No.:M003900）is a synthetic red dye belonging to the xanthene class of compounds. It is commonly used in biological staining, particularly in microscopy to highlight cell structures and in assays to measure cell viability. As a food and cosmetic colorant, it imparts a pink-red hue. In research, Erythrosin B sodium salt is used in photodynamic therapy (PDT) due to its ability to generate reactive oxygen species under light exposure, making it useful in cancer treatment and antimicrobial applications. It is soluble in water and exhibits fluorescence properties.