Atomfair 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid C10H9NO7S2 CAS 6535-70-2

Description

2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid (CAS No. 6535-70-2) is a high-purity, sulfonated naphthalene derivative with the molecular formula C₁₀H₉NO₇S₂. This compound is a key intermediate in the synthesis of azo dyes, pigments, and other specialty chemicals due to its reactive amino and hydroxyl functional groups paired with dual sulfonic acid moieties. Its disulfonated structure enhances water solubility, making it ideal for aqueous-phase reactions. Suitable for research and industrial applications, this product is rigorously tested for consistency, stability, and low impurity levels. Packaged under inert conditions to ensure prolonged shelf life.

Properties

• CAS Number: 6535-70-2
• Complexity: 561
• IUPAC Name: 2-amino-5-hydroxy-naphthalene-1,7-disulfonic acid
• InChI: InChI=1S/C10H9NO7S2/c11-8-2-1-6-7(10(8)20(16,17)18)3-5(4-9(6)12)19(13,14)15/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18)
• InChI Key: HIVUAOXLSJITPA-UHFFFAOYSA-N
• Exact Mass: 318.98204397
• Molecular Formula: C10H9NO7S2
• Molecular Weight: 319.3
• SMILES: C1=CC(=C(C2=C1C(=CC(=C2)S(=O)(=O)O)O)S(=O)(=O)O)N
• Topological: 172
• Monoisotopic Mass: 318.98204397
• Synonyms: 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid, EINECS 229-445-0, 2-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid, 229-445-0, 2-amino-5-hydroxynaphthalene-1,7-disulfonic acid, 6535-70-2, 3-Aminonaphthalene-8-Hydroxy-4,6-Disulfonic Acid, 1,7-Naphthalenedisulfonic acid, 2-amino-5-hydroxy-, MFCD03411983, 2-Amino-5-hydroxynaphthalene-1,7-disulfonicacid, SCHEMBL713434, SCHEMBL1413136, SCHEMBL7067393, DTXSID50983970, K9T45FG392, AKOS015897474, FA41572, AS-15452, NS00046183, 3-Aminonaphthalene-8-hydroxy-4,6-disulphonic acid, 2-amino-5-hydroxy-naphthalene-1,7-disulphonic acid, 4-hy-droxy-7-aminonaphthalene-2,8-disulfonic acid, 4-hydroxy- 7-aminonaphthalene-2,8-disulfonic acid

Application

2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid is primarily used as a precursor in the manufacture of azo dyes and pigments, particularly for textile and paper industries. Its sulfonic acid groups facilitate binding to substrates, while the amino and hydroxyl groups enable coupling reactions to form chromophores. Researchers also employ it in fluorescent probes and analytical reagents due to its aromatic structure. Its water solubility makes it valuable in formulations requiring aqueous compatibility.

Safety and Hazards

GHS Hazard Statements

• Not Classified
• Reported as not meeting GHS hazard criteria by 9 of 9 companies. For more detailed information, please visit ECHA C&L website.

Hazard Classes and Categories

• Not Classified

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