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| 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Basic information |
Product Name: | 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt | Synonyms: | 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt;C.I.22045;C.I.Direct Brown 165;Direct Para Brown MV;2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-, disodium salt;Direct Brown 165;C.I.Direct Brown 165:C.I.22045 | CAS: | 6486-32-4 | MF: | C28H21N7Na2O7S2 | MW: | 677.61858 | EINECS: | | Product Categories: | | Mol File: | 6486-32-4.mol | |
| 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties |
| 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Usage And Synthesis |
Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, first in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then and Benzene-1,3-diamine coupling. | Properties and Applications | brown. Soluble in water for blue-ray red. The strong sulfuric acid for blue-ray green, purple precipitation after diluted. The dye solution to join hydrochloric acid purple brown precipitation; Add thick sodium hydroxide solution is cherry red.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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3-4
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5
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3-4
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2-3
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3-4
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| 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials |
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