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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
1,3-naphthalenedisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt

Inventory

EC number:
220-036-2
EC name:
Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate
CAS number:
2611-82-7
CAS number:
2611-82-7
Synonyms
Names:
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-?(4-sulfo-1-naphthalenyl)azo?-, trisodium salt
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt
Identifier:
IUPAC name
trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1- ylidene]-7,8-dihydronaphthalene-1,3-disulfonate
Identifier:
IUPAC name
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
Identifier:
IUPAC name
trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate
Identifier:
IUPAC name
trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate
Identifier:
IUPAC name
trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate
Identifier:
IUPAC name
trisodium 7-hydroxy-8-[(4-sulfonato-1-naphthyl)diazenyl]naphthalene-1,3-disulfonate
Identifier:
IUPAC name
trisodium 7-hydroxy-8-[(E)-2-(4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-1,3-disulfonate
Identifier:
other: InChl
InChI=1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].[O-]S(=O)(=O)c4ccc(/N=N/c1c2c(ccc1O)cc(cc2S([O-])(=O)=O)S([O-])(=O)=O)c3ccccc34
Identifier:
other: Molecular formula
C20H14N2O10S3.3Na
Identifier:
other: InChl
InChI=1/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3
Identifier:
other: InChl
InChI=1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,21H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3/b22-20+;;; AuxInfo=1/1/N:34,33,27,28,7,31,12,32,8,10,5,11,25,26,30,13,29,9,4,6,24,23,22,19,20,21,36,37,38,15,16,17,18,35,14;1;2;3/E:(24,25,26)(27,28,29)(30,31,32);;;/CRV:33.6,34.6,35.6;;;/rA:38Na+Na+Na+CCCCCCCCCCSOO-OSOO-OONNCCCCCCCCCCSOOO-/rB:;;;d-4;s4;s5;s5;s4;d-9;d-8s10;d-7;s6s12;s9;d14;s14;d14;s11;d18;s18;d18;d13;d+6;s23;;s25;s25;s26;d-26;s24d+25;s30;s29d-31;d-28;d-27s33;s29;d35;d35;s35;/rC:0,-7.3129,0;3.1444,-7.3129,0;6.2158,-7.3129,0;13.4555,-10.8229,0;13.4555,-12.3586,0;12.1393,-10.0916,0;12.1393,-13.163,0;14.7719,-13.163,0;14.7719,-10.0916,0;16.1612,-10.8229,0;16.1612,-12.3586,0;10.7498,-12.3586,0;10.7498,-10.8229,0;14.7719,-8.5561,0;16.4537,-8.4829,0;14.7719,-7.0203,0;13.2362,-8.5561,0;17.4776,-13.163,0;16.5999,-14.6255,0;18.7938,-13.8942,0;18.2088,-11.8466,0;9.4334,-10.0916,0;12.1393,-8.5561,0;10.8229,-7.7515,0;12.0661,-5.4115,0;12.0661,-3.8758,0;13.4555,-6.2158,0;13.4555,-3.1444,0;10.8229,-3.0714,0;10.8229,-6.2158,0;9.4334,-5.4115,0;9.5066,-3.8758,0;14.8449,-3.8758,0;14.7719,-5.4115,0;10.8229,-1.5357,0;9.2872,-1.5357,0;12.3586,-1.6087,0;10.8961,0,0;
Identifier:
other: InChl
InChI=1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3/b22-21+;;;
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].Oc1ccc2cc(cc(c2c1N=Nc3ccc(c4ccccc34)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-]
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].Oc1ccc2cc(cc(c2c1\N=N\c3ccc(c4ccccc34)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-]
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].[O-]S(=O)(=O)c1cc2C=CC(=O)\C(=N/Nc3ccc(c4ccccc34)S([O-])(=O)=O)c2c(c1)S([O-])(=O)=O
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].[O-]S(=O)(=O)c4ccc(/N=N/c2c(O)ccc1cc(cc(c12)S([O-])(=O)=O)S([O-])(=O)=O)c3ccccc34

Molecular and structural information

Molecular formula:
C20H11N2O10S3.3Na
Molecular weight:
ca. 604.47
SMILES notation:
[Na+].[Na+].[Na+].[O-]S(=O)(=O)c4ccc(/N=N/c1c2c(ccc1O)cc(cc2S([O-])(=O)=O)S([O-])(=O)=O)c3ccccc34
InChl:
InChI=1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3
Structural formula:
Chemical structure

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