1-Naphthol-4-sulfonic acid

Base Information

• Chemical Name: 1-Naphthol-4-sulfonic acid
• CAS No.: 84-87-7
• Molecular Formula: C10H8O4S
• Molecular Weight: 224.237
• Hs Code.: 2908999090
• European Community (EC) Number: 201-568-4
• NSC Number: 9587
• UNII: 6W41U3C9YN
• DSSTox Substance ID: DTXSID2058910
• Nikkaji Number: J4.903D
• Wikidata: Q27265617
• ChEMBL ID: CHEMBL2312197
• Mol file: 84-87-7.mol

Synonyms:1,4-naphthol sulfonic acid;1-hydroxy-4-naphthalenesulfonic acod;1-naphthol-4-sulfonic acid;1-naphthol-4-sulfonic acid, potassium salt;1-naphthol-4-sulfonic acid, sodium salt

Chemical Property of 1-Naphthol-4-sulfonic acid

Chemical Property:

• Melting Point: 170 °C
• Refractive Index: 1.703
• Boiling Point: 427oC
• PKA: 0.73±0.40(Predicted)
• PSA: 82.98000
• Density: 1.55 g/cm3
• LogP: 2.87290
• XLogP3: 2.1
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 224.01432991
• Heavy Atom Count: 15
• Complexity: 319

Purity/Quality:

99% ^*data from raw suppliers

4-Hydroxynaphthalene-1-sulfonicacid 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi,C
• Hazard Codes: Xi,C

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)O

Technology Process of 1-Naphthol-4-sulfonic acid

There total 35 articles about 1-Naphthol-4-sulfonic 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: 93.0%

1,2-dichloro-benzene (95-50-1) → 1-naphthol-2-sulfonic acid (567-18-0) + 1-hydroxy-4-naphthalenesulfonate (84-87-7)

Guidance literature:

Reference yield: 92.0%

1-naphthol-2-sulfonic acid (567-18-0) → 1-hydroxy-4-naphthalenesulfonate (84-87-7)

Guidance literature:

Reference yield:

4-amino-1-naphthalenesufonic acid (84-86-6) + furan-2,3,5(4H)-trione pyridine (1:1) → 1,4-Dihydroxynaphthalene (571-60-8) + α-naphthol (90-15-3) + 1-hydroxy-4-naphthalenesulfonate (84-87-7)

Guidance literature:

at 220 - 300 ℃; im Autoklaven;

upstream raw materials:

α-naphthol

4-amino-1-naphthalenesufonic acid

bisnaphthyl carbonate

1-bromo-4-naphthalenesulfonic acid

Downstream raw materials:

2-benzeneazo-1-naphthol-4-sulfonic acid

11H-benzo[a]carbazole

2-bromo-1,4-naphthoquinone

2,3-Dibromo-1,4-naphthoquinone

Refernces

• 1、 Koeberg-Telder, Ankie,Cerfontain, Hans. "Isomerization and Sulfodeprotonation in the Reaction of 1,6-Oxidoannulene, 1,6-Iminoannulene, Their Isomers 1-Naphthol and 1-Aminonaphthalene, and 11-Oxo-1,6-methanoannulene with SO3". . p. 2563 - 2567. Retrieved 2007/10/02.
• 2、 -. "Aromatic azo sulfonylnitrene compounds". . . Retrieved 2008/06/13.