potassium 4-methylaniline-3,5-disulfonate

Base Information

• Chemical Name: potassium 4-methylaniline-3,5-disulfonate
• CAS No.: 79539-37-0
• Molecular Formula: C₇H₇NO₆S₂*2K
• Molecular Weight: 343.464
• Mol file: 79539-37-0.mol

Synonyms:

Chemical Property of potassium 4-methylaniline-3,5-disulfonate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of potassium 4-methylaniline-3,5-disulfonate

There total 2 articles about potassium 4-methylaniline-3,5-disulfonate 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:

sodium 4-amino-N-(4-methylphenyl)naphthalimide-3-sulfonate (2391-30-2) → monopotassium 4-methylaniline-3,5-disulfonate (79539-37-0)

Guidance literature:

Multi-step reaction with 2 steps

1: fuming H₂SO₄ / 3 h / 90 °C

2: 1.) aq. KOH, 2.) aq. HCl / 1) pH 12.5, 50 deg C, 10 min; 2) pH 2.0, 50 deg C, 10 min; 3) pH 2, 3 d, room temperature

With hydrogenchloride; potassium hydroxide; sulfuric acid;

DOI:10.1021/ja00415a033

Reference yield:

tetrapotassium 4-amino-N-(4-methyl-3,5-disulfophenyl)naphthalimide-3,6-disulfonate (71314-53-9) → monopotassium 4-methylaniline-3,5-disulfonate (79539-37-0) + 4-amino-3,6-disulfo-1,8-naphthaldehyde anhydride dipotassium salt (79539-35-8)

Guidance literature:

With hydrogenchloride; potassium hydroxide; Yield given. Multistep reaction. Yields of byproduct given; 1) pH 12.5, 50 deg C, 10 min; 2) pH 2.0, 50 deg C, 10 min; 3) pH 2, 3 d, room temperature;

DOI:10.1021/ja00415a033

Reference yield:

monopotassium 4-methylaniline-3,5-disulfonate (79539-37-0) → toluene-2,6-disulfonic acid (89856-37-1)

Guidance literature:

With hydrogenchloride; potassium hydroxide; potassium nitrite; hypophosphorous acid; Multistep reaction; 1) heating; 2) 25 deg C; 3) 0 deg C, 12 h; 25 deg C, 12 h;

DOI:10.1021/ja00415a033

upstream raw materials:

tetrapotassium 4-amino-N-(4-methyl-3,5-disulfophenyl)naphthalimide-3,6-disulfonate

sodium 4-amino-N-(4-methylphenyl)naphthalimide-3-sulfonate

Downstream raw materials:

toluene-2,6-disulfonic acid

tetrapotassium 4-amino-N-(4-methyl-3,5-disulfophenyl)naphthalimide-3,6-disulfonate