| Identification | Back Directory | [Name]
tetrasodium 3,3'-(carbonyldiimino)bis[6-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]benzoate] | [CAS]
6661-29-6 | [Synonyms]
C.I.25355
Direct Violet 81
C.I.Direct Violet 81
C.I.Direct Violet 81:C.I.25355
5,5'-Ureylenebis[2-[[1-hydroxy-6-(phenylamino)-3-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium] salt
tetrasodium 3,3'-(carbonyldiimino)bis[6-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]benzoate]
tetrasodium,2-[(2E)-2-(6-anilino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-5-[[4-[(2Z)-2-(6-anilino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]
tetrasodium,2-[(2E)-2-(6-anilino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-5-[[4-[(2Z)-2-(6-anilino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-3-carboxylatophenyl]carbamoylamino]benzoate | [EINECS(EC#)]
229-701-1 | [Molecular Formula]
C47H30N8Na4O13S2 | [MOL File]
6661-29-6.mol | [Molecular Weight]
1070.88 |
| Hazard Information | Back Directory | [Preparation]
2-Amino-5-nitrobenzoic acid diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, and then will the nitro reduction, and will get the amino nitrogen compounds for light accidentally gasification. | [Properties and Applications]
dark purple. Soluble in water for red light purple, slightly soluble in alcohol. The strong sulfuric acid for blu-ray in red, for purple diluted. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution for red light purple, have precipitation.
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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
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5
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6
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4
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5
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