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disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate]

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disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Basic information
Product Name:disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate]
Synonyms:disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate];7,7'-Iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxy-2-naphthalenesulfonic acid]disodium salt;7,7'-Iminobis[4-hydroxy-3-[(2,4-dimethylphenyl)azo]-2-naphthalenesulfonic acid]disodium salt;Amanil Rhoduline Red 3B;C.I.29105;C.I.Direct Violet 14;Direct Brilliant Red 3B;2-Naphthalenesulfonic acid, 7,7'-iminobis(3-((2,4-dimethylphenyl)azo)-4-hydroxy-, disodium salt
CAS:6420-38-8
MF:C36H29N5Na2O8S2
MW:769.7537
EINECS:229-159-6
Product Categories:
Mol File:6420-38-8.mol
disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Structure
disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Chemical Properties
EPA Substance Registry System2-Naphthalenesulfonic acid, 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxy-, disodium salt (6420-38-8)
Safety Information
MSDS Information
disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Usage And Synthesis
Preparation2,4-Dimethylbenzenamine (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling (2,4-Dimethylbenzenamine can part with heterogeneous, or other aromatic amine replace).
Properties and Applicationsred light purple. Soluble in water for red light purple, slightly soluble in ethanol (for pink) and soluble fiber element. The strong sulfuric acid to red light purple, diluted for darkness product red; In nitric acid for colourful orange, then turn dark colored. The dye solution to join strong hydrochloric acid for red light purple; Add sodium hydroxide solution have strong purplish red precipitate.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 2 2-3 2-3
AATCC 3 4 2 2 3
disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Preparation Products And Raw materials
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