Company Name: |
Shanghai JONLN Reagent Co., Ltd.
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Tel: |
400-0066400 13621662912 |
Email: |
422131432@qq.com |
Products Intro: |
Product Name:DIRECT BLUE 75 CAS:6428-60-0 Purity:BR Package:5g;25g;100g
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Company Name: |
Alfa Chemistry
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Tel: |
1-516-6625404 |
Email: |
support@alfa-chemistry.com |
Products Intro: |
Product Name:Direct Blue 75 CAS:6428-60-0 Package:1g;10g;100g;1KG;5KG
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| tetrasodium 5-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-8-[[6-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Basic information |
| tetrasodium 5-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-8-[[6-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Chemical Properties |
| tetrasodium 5-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-8-[[6-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Usage And Synthesis |
Preparation | 3-Aminobenzenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling. | Properties and Applications | dark blue. Soluble in water for blue, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted to red light purple red for brown. The dye solution to join strong hydrochloric acid for blue; Add thick sodium hydroxide solution for red light purple
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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4-5
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4
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5
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2-3
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3
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AATCC
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4
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3-4
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4-5
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2
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3
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| tetrasodium 5-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-8-[[6-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Preparation Products And Raw materials |
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