8-Amino-1-naphthalenesulfonic acid

Base Information

• Chemical Name: 8-Amino-1-naphthalenesulfonic acid
• CAS No.: 82-75-7
• Molecular Formula: C10H9NO3S
• Molecular Weight: 223.252
• Hs Code.: 29214500
• European Community (EC) Number: 201-437-1
• NSC Number: 7798
• UNII: 0D93Y3MXV4
• DSSTox Substance ID: DTXSID2058881
• Nikkaji Number: J4.617E
• Wikidata: Q27236642
• Mol file: 82-75-7.mol

Synonyms:1-aminonaphthalene-8-sulfonate;1-naphthylamine-8-sulfonic acid;8-aminonaphthalene-1-sulfonate

Chemical Property of 8-Amino-1-naphthalenesulfonic acid

Chemical Property:

• Appearance/Colour: White needle crystal
• Melting Point: >350 °C
• Refractive Index: 1.713
• Boiling Point: 220°C (rough estimate)
• PKA: pK1: 5.03 (25°C)
• PSA: 88.77000
• Density: 1.502 g/cm³
• LogP: 3.33070
• Water Solubility.: 0.2g/L(21 oC)
• XLogP3: 1.2
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 223.03031432
• Heavy Atom Count: 15
• Complexity: 322

Purity/Quality:

99% ^*data from raw suppliers

8-Amino-1-naphthalenesulfonic Acid ^*data from reagent suppliers

Safty Information:

• Pictogram(s): C
• Hazard Codes: C
• Statements: 34
• Safety Statements: 26-27-36-45

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C(C(=C1)N)C(=CC=C2)S(=O)(=O)O
• Uses: Intermediate of dyestuff

Technology Process of 8-Amino-1-naphthalenesulfonic acid

There total 12 articles about 8-Amino-1-naphthalenesulfonic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 54.0%

C10H8NO3S(1-)*0.5Mg(2+) → 8-anilino-1-naphthalenesulfonate (82-75-7)

Guidance literature:

With sulfuric acid; In water; at 88 - 92 ℃; for 0.333333h; pH=4 - 5;

Reference yield: 54.0%

2C10H8NO3S(1-)*Mg(2+) → 8-anilino-1-naphthalenesulfonate (82-75-7)

Guidance literature:

at 90 ℃;

Reference yield:

1-naphthalenesulfonic acid (85-47-2) → 8-anilino-1-naphthalenesulfonate (82-75-7)

Guidance literature:

durch Nitrieren und Reduzieren;

upstream raw materials:

1-naphthalenesulfonic acid

1-nitronaphthalene-8-sulphonic acid

hydrogenchloride

1,1-dioxo-2H-1λ⁶-naphth[1,8-cd]isothiazole-3,5-disulfonic acid

Downstream raw materials:

8-Anilino-1-naphthalenesulfonic acid

1,8-dihydroxynaphthalene

8-amino-1-naphthol

8-hydroxy-naphthalene-1-sulfonic acid

Refernces

• 1、 -. "Method for hydrogen catalyzed preparation of 1-naphthylamine-8-sulfonic acid". Paragraph 0034; 0035; 0036; 0037; 0038; 0039; 0044. . Retrieved 2016/10/20.
• 2、 -. "Solid phase acylation of aminosulfonic acids". . . Retrieved 2008/06/13.