Disperse Orange 61

Base Information

• Chemical Name: Disperse Orange 61
• CAS No.: 12270-45-0
• Molecular Formula: Unspecified
• Molecular Weight: 481.14100
• Mol file: 12270-45-0.mol

Synonyms:Yellow Brown REL;3-((4-((2,6-Dibromo-4-nitrophenyl)azo)phenyl)ethylamino)propiononitrile;

Chemical Property of Disperse Orange 61

Chemical Property:

• Vapor Pressure: 6.63E-16mmHg at 25°C
• Boiling Point: 632.5oC at 760 mmHg
• Flash Point: 336.3oC
• PSA: 97.57000
• Density: 1.62g/cm3
• LogP: 6.79838

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Disperse Orange 61

There total 4 articles about Disperse Orange 61 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: 97.3%

C6H2Br2N3O2(1+)*HO4S(1-) + N-ethyl-N-(2-cyanoethyl)aniline (148-87-8) → 3-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]ethylamino]propanenitrile (55281-26-0,12270-45-0)

Guidance literature:

With hydrogenchloride; sulfuric acid; In water; at 10 ℃; for 1.83333h; Green chemistry;

DOI:10.1016/j.dyepig.2019.107920

Reference yield:

2,6-dibromo-4-nitroaniline (827-94-1) + N-ethyl-N-(2-cyanoethyl)aniline (148-87-8) → 3-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]ethylamino]propanenitrile (55281-26-0,12270-45-0)

Guidance literature:

2,6-dibromo-4-nitroaniline; With naphthalene-1,5-disulfonate; In ethyl acetate; at 50 ℃; for 0.166667h;

With tert.-butylnitrite; In ethyl acetate; at 25 ℃; for 0.333333h;

N-ethyl-N-(2-cyanoethyl)aniline; With hydrogenchloride; In water; at 0 - 5 ℃; for 0.2h;

DOI:10.1016/j.dyepig.2016.08.026

Reference yield:

2,6-dibromo-4-nitroaniline (827-94-1) → 3-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]ethylamino]propanenitrile (55281-26-0,12270-45-0)

Guidance literature:

Multi-step reaction with 2 steps

1: sulfuric acid; nitrosylsulfuric acid / ethyl acetate / 0.45 h / 0 - 5 °C

2: hydrogenchloride; sulfuric acid / water / 1.83 h / 10 °C / Green chemistry

With hydrogenchloride; nitrosylsulfuric acid; sulfuric acid; In water; ethyl acetate;

DOI:10.1016/j.dyepig.2019.107920

upstream raw materials:

2,6-dibromo-4-nitroaniline

N-ethyl-N-(2-cyanoethyl)aniline

Refernces

• 1、 -. "Disperse dye composition and preparation method and application thereof". Paragraph 0098-0101. . Retrieved 2019/12/15.
• 2、 Qiu, Jinjing,Tang, Bingtao,Ju, Benzhi,Xu, Yuanji,Zhang, Shufen. "Stable diazonium salts of weakly basic amines—Convenient reagents for synthesis of disperse azo dyes". . p. 63 - 69. Retrieved 2016/08/24.