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| | 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 | | EINECS: | | | Product Categories: | | | Mol File: | 6408-41-9.mol | ![2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Structure](CAS/GIF/6408-41-9.gif) |
| | 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) |
| | 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.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Good
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150
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Well
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Well
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No change
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| | 2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Preparation Products And Raw materials |
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