Naphthalene-1,6-disulfonic acid

Base Information

• Chemical Name: Naphthalene-1,6-disulfonic acid
• CAS No.: 525-37-1
• Molecular Formula: C10H6Na2O6S2
• Molecular Weight: 288.302
• Hs Code.: 2904100090
• European Community (EC) Number: 610-859-9
• UNII: F478O0CKYG
• DSSTox Substance ID: DTXSID80200501
• Nikkaji Number: J6.649D
• Wikidata: Q27114012
• Metabolomics Workbench ID: 54280
• Mol file: 525-37-1.mol

Synonyms:N-1,6-DSA;naphthalene-1,6-disulfonic acid;naphthalene-1,6-disulfonic acid, disodium salt

Chemical Property of Naphthalene-1,6-disulfonic acid

Chemical Property:

• Melting Point: 125°C (rough estimate)
• Refractive Index: 1.5630 (estimate)
• Boiling Point: °Cat760mmHg
• PKA: -0.17±0.40(Predicted)
• Flash Point: °C
• PSA: 125.50000
• Density: 1.704g/cm³
• LogP: 3.49480
• Storage Temp.: Inert atmosphere,Room Temperature
• XLogP3: 0.7
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 2
• Exact Mass: 287.97623032
• Heavy Atom Count: 18
• Complexity: 498

Purity/Quality:

98% ^*data from raw suppliers

Naphthalene-1,6-disulfonic acid 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C(C=CC(=C2)S(=O)(=O)O)C(=C1)S(=O)(=O)O

Technology Process of Naphthalene-1,6-disulfonic acid

There total 21 articles about Naphthalene-1,6-disulfonic 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: 4.0%

naphthalene-2-sulfonate (120-18-3) → 2,7-naphthalenedisulfonic acid (92-41-1) + naphthalene-2,6-disulfonic acid (581-75-9) + naphthalene-1,7-disulphonic acid (5724-16-3) + naphthalene-1,6-disulfonic acid (525-37-1) + naphthalene-1,3-disulfonic acid (6094-26-4) + naphthalene-1,3,6-trisulfonic acid (86-66-8)

Guidance literature:

With sulfuric acid; at 25 ℃; Product distribution; further reaction with 105.2percent H₂SO₄;

Reference yield:

naphthalene (91-20-3,71998-51-1,72931-45-4) → naphthalene-1,6-disulfonic acid (525-37-1) + naphthalene-1,5-disulfonate (81-04-9)

Guidance literature:

With sulfuric acid; sulfur trioxide;

Reference yield:

naphthalene (91-20-3,71998-51-1,72931-45-4) → naphthalene-1,6-disulfonic acid (525-37-1)

Guidance literature:

With sulfuric acid; anschlissendes Behandeln mit SO₃ enthaltendem H₂SO₄;

upstream raw materials:

naphthalene

naphthalene-2-sulfonate

1-naphthylamine-3,8-disulfonic acid

6-amino-1,4-naphthalene disulfonic acid

Downstream raw materials:

1,6-dihydroxynaphthalene

2,7-naphthalenedisulfonic acid

naphthalene-2,6-disulfonic acid

naphthalene

Refernces

• 1、 Merz,Ebert. "-". . p. 592. Retrieved 1876.
• 2、 Wit, Peter De,Cerfontain, Hans. "On the positional reactivity order in the sulfuric acid sulfonation of the two naphthalenesulfonic acids". . p. 1453 - 1455. Retrieved 2007/10/02.