Disperse Red 73

Base Information

• Chemical Name: Disperse Red 73
• CAS No.: 16889-10-4
• Deprecated CAS: 12270-46-1,62996-36-5,67426-80-6,162163-77-1,1188540-31-9,1352573-57-9,1498991-95-9,162163-77-1,67426-80-6
• Molecular Formula: C18H16N6O2
• Molecular Weight: 348.364
• Hs Code.: 3204110000
• European Community (EC) Number: 240-923-8
• UNII: 74YM5L40XM
• DSSTox Substance ID: DTXSID5044601
• Nikkaji Number: J93.929C
• Wikidata: Q27266311
• Mol file: 16889-10-4.mol

Synonyms:disperse red 73;Fantagen-rubin;Fantagen-rubine

Chemical Property of Disperse Red 73

Chemical Property:

• Appearance/Colour: Dark Red powder
• Vapor Pressure: 5.08E-15mmHg at 25°C
• Melting Point: 149-150 °C(Solv: 1,4-dioxane (123-91-1))
• Refractive Index: 1.621
• Boiling Point: 614.2 °C at 760 mmHg
• PKA: 2.13±0.50(Predicted)
• Flash Point: 325.3 °C
• PSA: 132.85000
• Density: 1.22 g/cm³
• LogP: 5.15886
• XLogP3: 3.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 6
• Exact Mass: 348.13347377
• Heavy Atom Count: 26
• Complexity: 590

Purity/Quality:

99.9% ^*data from raw suppliers

DISPERSE RED 73 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: CCN(CCC#N)C1=CC=C(C=C1)N=NC2=C(C=C(C=C2)[N+](=O)[O-])C#N

Technology Process of Disperse Red 73

There total 4 articles about Disperse Red 73 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:

5-nitroanthranilonitrile (17420-30-3) + N-ethyl-N-(2-cyanoethyl)aniline (148-87-8) → 2'-cyano-4'-nitro-4-(N-β-cyanoethyl-N-ethyl)amino-1,1'-azobenzene (16889-10-4)

Guidance literature:

With sulfuric acid; sodium acetate; acetic acid; sodium nitrite; Yield given. Multistep reaction; 1.) 10 deg C, 2.) 5 deg C, overnight;

Reference yield:

2-cyano-4-nitrobenzenediazonium hydrogen sulphate + N-ethyl-N-(2-cyanoethyl)aniline (148-87-8) → 2'-cyano-4'-nitro-4-(N-β-cyanoethyl-N-ethyl)amino-1,1'-azobenzene (16889-10-4)

Guidance literature:

In sulfuric acid; acetic acid; at 0 ℃; for 1.5h;

Reference yield:

2-Chloro-4-nitroaniline (121-87-9) → 2'-cyano-4'-nitro-4-(N-β-cyanoethyl-N-ethyl)amino-1,1'-azobenzene (16889-10-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 11.5 g / pyridine

2: 1.) NaNO₂, H₂SO₄, 2.) H₂SO₄, NaOAc, glacial AcOH / 1.) 10 deg C, 2.) 5 deg C, overnight

With pyridine; sulfuric acid; sodium acetate; acetic acid; sodium nitrite;

upstream raw materials:

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

5-nitroanthranilonitrile

2-Chloro-4-nitroaniline

Refernces

• 1、 Johri,Varshney. "Synthesis of some New Disperse Dyes". . p. 629 - 630. Retrieved 2007/10/03.