1.0 2010-04-08 22:09:37 UTC 2015-07-20 22:40:16 UTC FDB011411 5-Amino-4-hydroxy-3-(phenylazo)-2,7-naphthalenedisulfonic acid 5-Amino-4-hydroxy-3-(phenylazo)-2,7-naphthalenedisulfonic acid is a food dye. Acid Fuchsin Fast B Acid Fuchsine D Azofuchsin C.I. 17200 C.I. Acid Red 33 C.I. Food Red 12 D and C Red No. 33 Fast Acid Magenta C16H13N3O7S2 423.42 423.019491165 5-amino-4-hydroxy-3-[(E)-2-phenyldiazen-1-yl]naphthalene-2,7-disulfonic acid 5-amino-4-hydroxy-3-[(E)-2-phenyldiazen-1-yl]naphthalene-2,7-disulfonic acid 2203-16-9 NC1=C2C(O)=C(\N=N\C3=CC=CC=C3)C(=CC2=CC(=C1)S(O)(=O)=O)S(O)(=O)=O InChI=1S/C16H13N3O7S2/c17-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)19-18-10-4-2-1-3-5-10/h1-8,20H,17H2,(H,21,22,23)(H,24,25,26)/b19-18+ UDCKXEFJOHLCKM-VHEBQXMUSA-N belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring. 2-naphthalene sulfonates Organic compounds Benzenoids Naphthalenes Naphthalene sulfonic acids and derivatives Aromatic homopolycyclic compounds 1-hydroxy-4-unsubstituted benzenoids 1-sulfo,2-unsubstituted aromatic compounds 2-naphthalene sulfonic acids and derivatives Azo compounds Benzene and substituted derivatives Hydrocarbon derivatives Naphthols and derivatives Organic oxides Organooxygen compounds Organopnictogen compounds Organosulfonic acids Primary amines Propargyl-type 1,3-dipolar organic compounds Sulfonyls 1-hydroxy-4-unsubstituted benzenoid 1-naphthol 1-sulfo,2-unsubstituted aromatic compound 2-naphthalene sulfonate 2-naphthalene sulfonic acid or derivatives Amine Aromatic homopolycyclic compound Arylsulfonic acid or derivatives Azo compound Hydrocarbon derivative Monocyclic benzene moiety Organic 1,3-dipolar compound Organic nitrogen compound Organic oxide Organic oxygen compound Organic sulfonic acid or derivatives Organonitrogen compound Organooxygen compound Organopnictogen compound Organosulfonic acid Organosulfonic acid or derivatives Organosulfur compound Primary amine Propargyl-type 1,3-dipolar organic compound Sulfonyl logp -0.89 ALOGPS logs -3.82 ALOGPS solubility 6.38e-02 g/l ALOGPS logp 0.29 ChemAxon pka_strongest_acidic -3.9 ChemAxon pka_strongest_basic 2.04 ChemAxon iupac 5-amino-4-hydroxy-3-[(E)-2-phenyldiazen-1-yl]naphthalene-2,7-disulfonic acid ChemAxon average_mass 423.42 ChemAxon mono_mass 423.019491165 ChemAxon smiles NC1=C2C(O)=C(\N=N\C3=CC=CC=C3)C(=CC2=CC(=C1)S(O)(=O)=O)S(O)(=O)=O ChemAxon formula C16H13N3O7S2 ChemAxon inchi InChI=1S/C16H13N3O7S2/c17-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)19-18-10-4-2-1-3-5-10/h1-8,20H,17H2,(H,21,22,23)(H,24,25,26)/b19-18+ ChemAxon inchikey UDCKXEFJOHLCKM-VHEBQXMUSA-N ChemAxon polar_surface_area 179.71 ChemAxon refractivity 104.75 ChemAxon polarizability 39.81 ChemAxon rotatable_bond_count 4 ChemAxon acceptor_count 10 ChemAxon donor_count 4 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 25562 Specdb::CMs 43271 Specdb::CMs 174085 Specdb::MsMs 56913 Specdb::MsMs 56914 Specdb::MsMs 56915 Specdb::MsMs 112446 Specdb::MsMs 112447 Specdb::MsMs 112448 Specdb::MsMs 2269093 Specdb::MsMs 2269094 Specdb::MsMs 2269095 Specdb::MsMs 3073266 Specdb::MsMs 3073267 Specdb::MsMs 3073268 Specdb::NmrOneD 119558 Specdb::NmrOneD 119559 Specdb::NmrOneD 119560 Specdb::NmrOneD 119561 Specdb::NmrOneD 119562 Specdb::NmrOneD 119563 Specdb::NmrOneD 119564 Specdb::NmrOneD 119565 Specdb::NmrOneD 119566 Specdb::NmrOneD 119567 Specdb::NmrOneD 119568 Specdb::NmrOneD 119569 Specdb::NmrOneD 119570 Specdb::NmrOneD 119571 Specdb::NmrOneD 119572 Specdb::NmrOneD 119573 Specdb::NmrOneD 119574 Specdb::NmrOneD 119575 Specdb::NmrOneD 119576 Specdb::NmrOneD 119577 HMDB33381 #<Reference:0x000055ce31e2a5b8>