Fluorescein,disodiumsalt

Catalog Number

ACM518478-2

CAS

518-47-8

Structure

Synonyms

9-(o-carboxyphenyl)-6-hydroxy-3h-xanthen-3-one,disodiumsalt;

IUPAC Name

Disodium;3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate

Molecular Weight

376.28

Molecular Formula

C20H10Na2O5

Canonical SMILES

C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[Na+].[Na+]

InChI

InChI=1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20;;/h1-10,21-22H;;/q;2*+1/p-2

InChI Key

RGPLGPBQJOQFJS-UHFFFAOYSA-L

Melting Point

320 °C

Purity

95%+

Appearance

Rust-orange powder

Storage

-20 °C in the dark

Emission Maximum

514 nm

Excitation Maximum

490 nm

• Catalog Number: ACM518478-2
• CAS: 518-47-8
• Synonyms: 9-(o-carboxyphenyl)-6-hydroxy-3h-xanthen-3-one,disodiumsalt
• IUPAC Name: Disodium;3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
• Molecular Weight: 376.28
• Molecular Formula: C20H10Na2O5
• Canonical SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[Na+].[Na+]
• InChI: InChI=1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20;;/h1-10,21-22H;;/q;2*+1/p-2
• InChI Key: RGPLGPBQJOQFJS-UHFFFAOYSA-L
• Melting Point: 320 °C
• Purity: 95%+
• Appearance: Rust-orange powder
• Storage: -20 °C in the dark
• Emission Maximum: 514 nm
• Excitation Maximum: 490 nm