Disperse yellow 82

Base Information

• Chemical Name: Disperse yellow 82
• CAS No.: 12239-58-6
• Molecular Formula: C₂₀H₁₉N₃O₂
• Molecular Weight: 333.39
• Hs Code.: 3204110000
• Mol file: 12239-58-6.mol

Synonyms:Foron Brilliant Yellow SE-8G;Intrasil Brilliant Flavine 8GFF;Disperse Yellow 82 (fluorescent);

Chemical Property of Disperse yellow 82

Chemical Property:

• Boiling Point: 602.3 °C at 760 mmHg
• Flash Point: 318 °C
• PSA: 62.13000
• Density: 1.302 g/cm³
• LogP: 4.18250

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Disperse yellow 82

There total 15 articles about Disperse yellow 82 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: 92.0%

4-(Diethylamino)salicylaldehyde (17754-90-4) + ethyl 2-cyanoacetate (105-56-6) + 1,2-diamino-benzene (95-54-5) → coumarin 7 (27425-55-4,12239-58-6)

Guidance literature:

With benzoic acid; In pentan-1-ol; at 110 ℃; for 0.05h; Microwave irradiation;

DOI:10.1080/00397910903026699

Reference yield: 89.0%

5,5-dimethyl-2-{5-(9-diethylamino-5H-7-oxa-4b,6,13-triazaindeno[2,1-a]anthracen-5-yl)thiophen-2-yl}-1,3-dioxane (1413922-74-3) → coumarin 7 (27425-55-4,12239-58-6)

Guidance literature:

With ethyl trifluoroacetate,; In tetrahydrofuran; water; at 20 ℃;

DOI:10.1002/hc.21049

Reference yield: 75.0%

7-diethylaminocoumarine-3-aldehyde (57597-64-5) + 1,2-diamino-benzene (95-54-5) → coumarin 7 (27425-55-4,12239-58-6)

Guidance literature:

With sodium hydrogensulfite; In methanol; for 1h; Reflux;

DOI:10.3184/174751915X14271053814770

upstream raw materials:

1H-benzimidazol-2-acetonitrile

5-Diethylamino-2-{[(E)-4-nitro-phenylimino]-methyl}-phenol

3-(1H-benzimidazol-2-yl)-N,N-diethyl-2-imine-2H-1-benzopyran-7-amine

4-(Diethylamino)salicylaldehyde

Refernces

• 1、 Jiang, Shaoliang,Gao, Jianrong,Han, Liang. "One-pot catalyst-free synthesis of 3-heterocyclic coumarins". . p. 1017 - 1028. Retrieved 2016.
• 2、 Li, Hongqi,Guo, Jian,Zhang, Xuebin,Chen, Zhen. "A novel colorimetric and fluorescent pH sensor derived from iminocoumarin and thiophene-carboxaldehyde". . p. 551 - 559. Retrieved 2012.
• 3、 -. "Fluorescent probe for selectively identifying fluorine ions and preparation method thereof". . . Retrieved 2021/11/19.