| Identification | Back Directory | [Name]
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt | [CAS]
6487-06-5 | [Synonyms]
C.I.33545
Acid Green 33
C.I.Acid Green 33
Wool Dark Green AZ
C.I.Acid Green 33:C.I.33545
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt | [MOL File]
6487-06-5.mol |
| Hazard Information | Back Directory | [Preparation]
4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, its product in alkaline conditions again with the diazo 4-(Phenyldiazenyl)benzenamine coupling. | [Properties and Applications]
dark blue light green. Soluble in water, slightly soluble in ethanol and acetone, hardly soluble in benzene. The strong sulfuric acid for blue-ray green, diluted for blue-ray still green. In an aqueous solution of concentrated sodium hydroxide solution was added to gray light blue.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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4
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4-5
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4-5
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