| Identification | Back Directory | [Name]
disodium 3,3'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate) | [CAS]
6470-31-1 | [Synonyms]
C.I.23040
Direct Red 61
C.I.Direct Red 61
C.I.Direct Red 61:C.I.23040
disodium 3,3'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate)
3,3'-[(3,3'-Dichloro-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[4-amino-1-naphthalenesulfonic acid sodium] salt
disodium,4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-chlorophenyl]-2-chlorophenyl]diazenyl]naphthalene-1-sulfonate | [EINECS(EC#)]
229-296-1 | [Molecular Formula]
C32H20Cl2N6Na2O6S2 | [MOL File]
6470-31-1.mol | [Molecular Weight]
765.553 |
| Hazard Information | Back Directory | [Preparation]
4-Aminonaphthalene-1-sulfonic acid double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled. | [Properties and Applications]
blue-ray red. Soluble in water for red to blue light red, soluble in ethanol for red orange, slightly soluble in acetone. The strong sulfuric acid for blue, shallow blue for diluted. The dye solution to join strong hydrochloric acid for red sauce, precipitation; Add thick sodium hydroxide solution for product red, 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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2
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3-4
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1
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2
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2
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