Registration Dossier
Registration Dossier
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EC number: 235-437-8 | CAS number: 12227-62-2 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 16185:1.
Reference substances
- IUPAC name:
- disodium 3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
Inventory
- EC number:
- 224-909-9
- EC name:
- Disodium 3-[(2,4-dimethyl-5-sulphonatophenyl)azo]-4-hydroxynaphthalene-1-sulphonate
- CAS number:
- 4548-53-2
- CAS number:
- 4548-53-2
Synonyms
- Names:
- Identifier:
- Colour Index
- C.I 14700
- Identifier:
- common name
- FD&C Red No. 4
- Identifier:
- common name
- Ponceau SX
- Identifier:
- other: InChl
- 1S/C18H16N2O7S2.2Na/c1-10-7-11(2)16(28(22,23)24)8-14(10)19-20-15-9-17(29(25,26)27)12-5-3-4-6-13(12)18(15)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;
- Identifier:
- other: SMILES notation
- [Na+].[Na+].Cc1cc(C)c(cc1N=Nc2cc(c3ccccc3c2O)S(=O)(=O)[O-])S(=O)(=O)[O-]
Molecular and structural information
- Molecular formula:
- C18H16N2O7S2.2Na
- Molecular weight:
- 482.2
- SMILES notation:
- [Na+].[Na+].[O-]S(=O)(=O)c3cc(N=Nc2cc(c1ccccc1c2O)S([O-])(=O)=O)c(C)cc3C
- InChl:
- InChI=1/C18H16N2O7S2.2Na/c1-10-7-11(2)16(28(22,23)24)8-14(10)19-20-15-9-17(29(25,26)27)12-5-3-4-6-13(12)18(15)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2
- Structural formula:
Related substances
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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