2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid
2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Basic information
- Product Name:
- 2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid
- Synonyms:
-
- 2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid
- C.I.14070
- C.I.Solvent Yellow 20
- (3E)-3-[(2-methoxyphenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
- Benzoic acid, 2-hydroxy-5-[2-(2-methoxyphenyl)diazenyl]-
- C.I.Solvent Yellow 20:C.I.14070
- Solvent Yellow 20
- CAS:
- 6408-41-9
- MF:
- C14H12N2O4
- MW:
- 272.26
- Mol File:
- 6408-41-9.mol
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2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Chemical Properties
- Boiling point:
- 519.8±50.0 °C(Predicted)
- Density
- 1.30±0.1 g/cm3(Predicted)
- pka
- 2.73±0.10(Predicted)
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2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Usage And Synthesis
Preparation
O-Anisidine diazotized, coupled with 2-Hydroxybenzoic acid.
Properties and Applications
brilliant yellow. Soluble in boiling water for yellow. In concentrated sulfuric acid for yellow brown, dilution after yellow red, then become yellow solution, and accompanied by yellow precipitation. Dye aqueous solution to join hydrochloric acid have yellow precipitation, solution into colloidal; With sodium hydroxide as titian solution and precipitation. Non-crystalline state product melting point 200 ℃. Used for alcohol, esters solvent, grease, paraffin wax, alcohol soluble paint color.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Good | 150 | Well | Well | No change | |
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2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid(6408-41-9)Related Product Information
- Solvent Yellow 21
- Solvent Yellow 28
- SOLVENT YELLOW 30
- Solvent Yellow 27
- O-AMINOAZOTOLUENE
- 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
- 2,2'-[cyclohexylidenebis[(2-methyl-4,1-phenylene)azo]]bis[4-tert-butylphenol]
- SOLVENT YELLOW 29
- Solvent Yellow 25:1
- Solvent Yellow 2