Disperse Red 91

Base Information

• Chemical Name: Disperse Red 91
• CAS No.: 12236-10-1
• Molecular Formula: C₂₀H₂₁NO₅
• Molecular Weight: 355.39
• Mol file: 12236-10-1.mol

Synonyms:Disperse Red REL;Disperse red 91 (C.I. 60753);Brilliant Pink REL;C.I. Disperse Red 91;Dispersol Red C-B;Palanil Brilliant Pink REL;Terasil Brilliant Pink B

Chemical Property of Disperse Red 91

Chemical Property:

• Vapor Pressure: 3.51E-17mmHg at 25°C
• Boiling Point: 638.6°C at 760 mmHg
• Flash Point: 340°C
• Density: 1.347g/cm³

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Disperse Red 91

There total 2 articles about Disperse Red 91 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:

1,6-hexanediol (629-11-8) + 1-amino-2-bromo-4-hydroxyanthraquinone (116-82-5,12217-92-4) → Disperse Red 91 (34231-26-0,12236-10-1)

Guidance literature:

With 1-methyl-pyrrolidin-2-one; potassium carbonate; phenol; at 120 ℃; for 12h;

Reference yield:

→ Disperse Red 91 (34231-26-0,12236-10-1)

Guidance literature:

entspr. Anthrachinon I (R=pClC6H4), HO(CH2)6OH;

Reference yield:

phenylacetic acid (103-82-2) + Disperse Red 91 (34231-26-0,12236-10-1) → Phenyl-acetic acid 6-(1-amino-4-hydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yloxy)-hexyl ester (32873-04-4)

Guidance literature:

upstream raw materials:

1,6-hexanediol

1-amino-2-bromo-4-hydroxyanthraquinone

Downstream raw materials:

Phenyl-acetic acid 6-(1-amino-4-hydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yloxy)-hexyl ester

Terephthalic acid 1-[6-(1-amino-4-hydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yloxy)-hexyl] ester 4-methyl ester

Phthalic acid 1-[6-(1-amino-4-hydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yloxy)-hexyl] ester 2-ethyl ester

3-Nitro-benzoic acid 6-(1-amino-4-hydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yloxy)-hexyl ester

Refernces

• 1、 -. "OLIGOMERIC DYES AND PREPARATION THEREOF". Page 28. . Retrieved 2010/02/06.