4-amino-3-sulfo-1,8-naphthalic anhydride

Base Information

• Chemical Name: 4-amino-3-sulfo-1,8-naphthalic anhydride
• CAS No.: 6357-99-9
• Molecular Formula: C₁₂H₇NO₆S
• Molecular Weight: 293.257
• Hs Code.: 2932999099
• Mol file: 6357-99-9.mol

Synonyms:Naphthalicanhydride, 4-amino-3-sulfo- (7CI,8CI); 4-Amino-3-sulfo-1,8-naphthalicanhydride; NSC 7565

Chemical Property of 4-amino-3-sulfo-1,8-naphthalic anhydride

Chemical Property:

• PSA: 132.14000
• Density: 1.813g/cm³
• LogP: 2.64130

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-amino-3-sulfo-1,8-naphthalic anhydride

There total 1 articles about 4-amino-3-sulfo-1,8-naphthalic anhydride 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-amino-1,8-naphthalic anhydride (6492-86-0) → 6-amino-1,3-dioxo-1H,3H-benz[de]isochromene-5-sulfonic acid (6357-99-9)

Guidance literature:

With sulfuric acid; sulfur trioxide;

Reference yield:

6-amino-1,3-dioxo-1H,3H-benz[de]isochromene-5-sulfonic acid (6357-99-9) + p-toluidine (106-49-0,12221-03-3) → 6-amino-1,3-dioxo-2-p-tolyl-2,3-dihydro-1H-benz[de]isoquinoline-5-sulfonic acid (10166-30-0)

Guidance literature:

With water;

upstream raw materials:

4-amino-1,8-naphthalic anhydride

Downstream raw materials:

6-amino-1,3-dioxo-2-p-tolyl-2,3-dihydro-1H-benz[de]isoquinoline-5-sulfonic acid