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| 5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Basic information |
Product Name: | 5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt | Synonyms: | 5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt;C.I.21570;C.I.Mordant Orange 22;Panduran Xanthine 2R;tetrasodium,(3E)-3-[[4-[(2Z)-2-(3-carboxylato-4-oxo-5-sulfonatocyclohexa-2,5-dien-1-ylidene)hydrazinyl]phenyl]hydrazinylidene]-6-oxo-5-sulfonatocyclohexa-1,4-diene-1-carboxylate;C.I.Mordant Orange 22:C.I.21570;Mordant Orange 22 | CAS: | 6492-53-1 | MF: | C20H15N4NaO12S2 | MW: | 590.47 | EINECS: | | Product Categories: | | Mol File: | 6492-53-1.mol | ![5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Structure](CAS/20211123/GIF/6492-53-1.gif) |
| 5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Chemical Properties |
| 5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Usage And Synthesis |
Preparation | 4-Nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid?coupling ,?Reducing the nitro group, and then diazotization, coupling with 2-Hydroxybenzoic acid, and then sulfonated. | Properties and Applications | orange. Soluble in water for golden yellow, not soluble in ethanol. In concentrated sulfuric acid to red light purple, after dilution for green yellow until golden brown. Dye aqueous solution to join concentrated hydrochloric acid for green yellow until golden brown, Join concentrated sodium hydroxide solution for ruby red.
Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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5
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5
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4
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5
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| 5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Preparation Products And Raw materials |
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