potassium salt of Lucifer Yellow VS

Base Information

• Chemical Name: potassium salt of Lucifer Yellow VS
• CAS No.: 79539-36-9
• Molecular Formula: C₂₀H₁₂N₂O₁₀S₃*2K
• Molecular Weight: 614.717
• Mol file: 79539-36-9.mol

Synonyms:potassium salt of Lucifer Yellow VS

Chemical Property of potassium salt of Lucifer Yellow VS

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of potassium salt of Lucifer Yellow VS

There total 6 articles about potassium salt of Lucifer Yellow VS 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: 97.0%

tripotassium 4-amino-N-<3-<(sulfatoethyl)sulfonyl>phenyl>naphthalimide-3,6-disulfonate (71245-80-2) → potassium salt of Lucifer Yellow VS (79539-36-9)

Guidance literature:

With sodium hydroxide; for 0.25h; Ambient temperature; pH 10;

DOI:10.1021/ja00415a033

Reference yield:

sodium 4-amino-N-(4-methylphenyl)naphthalimide-3-sulfonate (2391-30-2) → potassium salt of Lucifer Yellow VS (79539-36-9)

Guidance literature:

Multi-step reaction with 5 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

3: 79 percent / H₂O / 48 h

4: 1.) aq. H₂SO₄, 2.) aq. KCl / 1) 4 deg C, 24 h; 2) 50 deg C

5: 97 percent / aq. NaOH / 0.25 h / Ambient temperature; pH 10

With hydrogenchloride; potassium hydroxide; sodium hydroxide; sulfuric acid; potassium chloride; In water;

DOI:10.1021/ja00415a033

Reference yield:

3-aminophenyl 2-hydroxy-ethyl sulphone (5246-57-1) → potassium salt of Lucifer Yellow VS (79539-36-9)

Guidance literature:

Multi-step reaction with 3 steps

1: 79 percent / H₂O / 48 h

2: 1.) aq. H₂SO₄, 2.) aq. KCl / 1) 4 deg C, 24 h; 2) 50 deg C

3: 97 percent / aq. NaOH / 0.25 h / Ambient temperature; pH 10

With sodium hydroxide; sulfuric acid; potassium chloride; In water;

DOI:10.1021/ja00415a033

upstream raw materials:

tripotassium 4-amino-N-<3-<(sulfatoethyl)sulfonyl>phenyl>naphthalimide-3,6-disulfonate

3-aminophenyl 2-hydroxy-ethyl sulphone

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

4-amino-3,6-disulfo-1,8-naphthaldehyde anhydride dipotassium salt

Downstream raw materials:

dilithium 4-amino-N-[3-(vinylsulfonyl)phenyl]-naphthalimide-3,6-disulfonate

Refernces