Benzoic acid, 2-hydroxy-5-[(2-methoxyphenyl)azo]-

Base Information

• Chemical Name: Benzoic acid, 2-hydroxy-5-[(2-methoxyphenyl)azo]-
• CAS No.: 6408-41-9
• Molecular Formula: C₁₄H₁₂N₂O₄
• Molecular Weight: 272.26
• Hs Code.: 2927000090
• European Community (EC) Number: 613-450-3
• NSC Number: 206211
• DSSTox Substance ID: DTXSID60421772
• Nikkaji Number: J35.062A
• Wikidata: Q82233420
• Mol file: 6408-41-9.mol

Synonyms:C.I. Solvent Yellow 20;6408-41-9;2-hydroxy-5-[(2-methoxyphenyl)diazenyl]benzoic acid;Benzoic acid, 2-hydroxy-5-[(2-methoxyphenyl)azo]-;solvent yellow 20;Chrome Fast Yellow GG;DTXSID60421772;NSC206211;NSC-206211;C.I.14070;Salicylic acid, 5-[(o-methoxyphenyl)azo]-;C.I. 14070;2-hydroxy-5-[(E)-(2-methoxyphenyl)diazenyl]benzoic acid

Chemical Property of Benzoic acid, 2-hydroxy-5-[(2-methoxyphenyl)azo]-

Chemical Property:

• Vapor Pressure: 7.43E-09mmHg at 25°C
• Boiling Point: 449.2°Cat760mmHg
• PKA: 2.73±0.10(Predicted)
• Flash Point: 225.5°C
• PSA: 91.48000
• Density: 1.3g/cm³
• LogP: 3.51440
• XLogP3: 3.4
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 4
• Exact Mass: 272.07970687
• Heavy Atom Count: 20
• Complexity: 361

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CC=CC=C1N=NC2=CC(=C(C=C2)O)C(=O)O

Technology Process of Benzoic acid, 2-hydroxy-5-[(2-methoxyphenyl)azo]-

There total 2 articles about Benzoic acid, 2-hydroxy-5-[(2-methoxyphenyl)azo]- 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-(2-chloro-phenylazo)-2-hydroxy-benzoic acid (21461-10-9) → 2-hydroxy-5-(2-methoxy-phenylazo)-benzoic acid (6408-41-9)

Guidance literature:

With sodium methylate; at 145 ℃;

Reference yield:

2-methoxy-benzenediazonium (17356-93-3) + salicylic acid (69-72-7,25496-36-0,8052-31-1) → 2-hydroxy-5-(2-methoxy-phenylazo)-benzoic acid (6408-41-9)

Guidance literature:

Reference yield:

chromium potassium sulfate dodecahydrate + 2-hydroxy-5-(2-methoxy-phenylazo)-benzoic acid (6408-41-9) → Cr(3+)*3C14H11N2O4(1-)*3H2O={Cr(C14H11N2O4)3(H2O)3}

Guidance literature:

In sodium hydroxide; prepn. with chromium alum in very dild. aq. NaOH-soln.;;

upstream raw materials:

5-(2-chloro-phenylazo)-2-hydroxy-benzoic acid

2-methoxy-benzenediazonium

salicylic acid

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