1.0 2010-04-08 22:11:54 UTC 2025-11-19 00:55:51 UTC FDB015530 Rose bengal sodium Food dye Rose Bengal (4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein) is a stain. Its sodium salt is commonly used in eye drops to stain damaged conjunctival and corneal cells and thereby identify damage to the eye. Food Red Color No. 105, sodium salt Food red colour 105 Food Red No. 105, sodium salt R105 sodium Rose bengal disodium salt Rose bengal sodium, INN C20H2Cl4I4Na2O5 1017.636 1015.463047032 disodium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate disodium rose bengal(2-) 42352-53-4 [Na+].[Na+].[O-]C(=O)C1=C(C(Cl)=C(Cl)C(Cl)=C1Cl)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12 InChI=1S/C20H4Cl4I4O5.2Na/c21-10-8(9(20(31)32)11(22)13(24)12(10)23)7-3-1-5(25)16(29)14(27)18(3)33-19-4(7)2-6(26)17(30)15(19)28;;/h1-2,29H,(H,31,32);;/q;2*+1/p-2 UWBXIFCTIZXXLS-UHFFFAOYSA-L belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring. Xanthenes Organic compounds Organoheterocyclic compounds Benzopyrans 1-benzopyrans Aromatic heteropolycyclic compounds 1-carboxy-2-haloaromatic compounds 2-halobenzoic acids 3-halobenzoic acids 4-halobenzoic acids Aryl chlorides Aryl iodides Benzoic acids Benzoyl derivatives Carboxylic acid salts Chlorobenzenes Cyclic ketones Halobenzoic acids Heteroaromatic compounds Hydrocarbon derivatives Monocarboxylic acids and derivatives Organic metal halides Organic oxides Organic sodium salts Organic zwitterions Organochlorides Organoiodides Oxacyclic compounds Phenoxides Vinylogous halides 1-carboxy-2-haloaromatic compound 2-halobenzoic acid 2-halobenzoic acid or derivatives 3-halobenzoic acid 3-halobenzoic acid or derivatives 4-halobenzoic acid 4-halobenzoic acid or derivatives Aromatic heteropolycyclic compound Aryl chloride Aryl halide Aryl iodide Benzenoid Benzoic acid Benzoic acid or derivatives Benzoyl Carboxylic acid Carboxylic acid derivative Carboxylic acid salt Chlorobenzene Cyclic ketone Halobenzene Halobenzoic acid Halobenzoic acid or derivatives Heteroaromatic compound Hydrocarbon derivative Monocarboxylic acid or derivatives Monocyclic benzene moiety Organic alkali metal salt Organic metal halide Organic oxide Organic oxygen compound Organic salt Organic sodium salt Organic zwitterion Organochloride Organohalogen compound Organoiodide Organooxygen compound Oxacycle Phenoxide Vinylogous halide Xanthene logp 5.84 ALOGPS logs -6.54 ALOGPS solubility 2.94e-04 g/l ALOGPS logp 9.26 ChemAxon pka_strongest_acidic 2.52 ChemAxon pka_strongest_basic 1.81 ChemAxon iupac disodium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate ChemAxon average_mass 1017.636 ChemAxon mono_mass 1015.463047032 ChemAxon smiles [Na+].[Na+].[O-]C(=O)C1=C(C(Cl)=C(Cl)C(Cl)=C1Cl)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12 ChemAxon formula C20H2Cl4I4Na2O5 ChemAxon inchi InChI=1S/C20H4Cl4I4O5.2Na/c21-10-8(9(20(31)32)11(22)13(24)12(10)23)7-3-1-5(25)16(29)14(27)18(3)33-19-4(7)2-6(26)17(30)15(19)28;;/h1-2,29H,(H,31,32);;/q;2*+1/p-2 ChemAxon inchikey UWBXIFCTIZXXLS-UHFFFAOYSA-L ChemAxon polar_surface_area 89.49 ChemAxon refractivity 197.44 ChemAxon polarizability 63.1 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 5 ChemAxon donor_count 0 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1272616 Specdb::MsMs 1272617 Specdb::MsMs 1272618 Specdb::MsMs 1387612 Specdb::MsMs 1387613 Specdb::MsMs 1387614