2,7-Naphthalenedisulfonic acid disodium salt

• CAT Number: M122975
• CAS Number: 1655-35-2
• Molecular Formula: C10H6Na2O6S2
• Molecular Weight: 332.25
• Purity: ≥95%
• Synonyms: 2,7-Naphthalenedisulfonic Acid Disodium Salt; Sodium naphthalene-2,7-disulfonate; Disodium 2,7-naphthalenedisulfonate
• Storage: -20°C
• IUPAC Name: disodium;naphthalene-2,7-disulfonate
• InChI: InChI=1S/C10H8O6S2.2Na/c11-17(12,13)9-3-1-7-2-4-10(18(14,15)16)6-8(7)5-9;;/h1-6H,(H,11,12,13)(H,14,15,16);;/q;2*+1/p-2
• InChIKey: XOIWXJSPLXGSLZ-UHFFFAOYSA-L
• SMILES: C1=CC(=CC2=C1C=CC(=C2)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

2,7-Naphthalenedisulfonic acid disodium salt(CAT: M122975) is an organic compound featuring a naphthalene backbone with two sulfonic acid groups at the 2 and 7 positions, neutralized by sodium ions. It is a water-soluble, crystalline solid commonly used as an intermediate in the synthesis of dyes, pigments, and other organic compounds. This compound serves as a building block in the preparation of azo dyes, providing vibrant color properties, and is also used in chemical research. Its excellent solubility and reactivity make it a valuable reagent in industrial applications, especially in textile and ink production processes.