08720

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

technical, 65-80% (T)

• Synonym(s): 8-Amino-1-naphthol-3,6-disulfonic acid disodium salt, Disodium 4-amino-5-hydroxy-2,7-naphthalenedisulfonate, H Acid disodium salt
• Linear Formula: H₂NC₁₀H₄(OH)(SO₃Na)₂
• CAS Number: 3963-80-2
• Molecular Weight: 363.27
• Beilstein/REAXYS Number: 3863707
• EC Number: 223-566-2
• MDL number: MFCD00066433
• UNSPSC Code: 12352103

Properties

• grade: technical
• assay: 65-80% (T)
• impurities: monosodium salt; 10-20% Na₂SO₄
• SMILES string: [Na+].[Na+].Nc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O