| Company Name: |
Shaanxi Dideu Newmaterial Co., Ltd.
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| Tel: |
029-87576359 15353716720 |
| Email: |
1039@dideu.com |
| Products Intro: |
Product Name:trisodium 4-hydroxy-5-[[5-sulphonato-4-[(p-tolyl)amino]naphthyl]azo]naphthalene-2,7-disulphonate
CAS:10359-95-2
Purity:95% Package:25kg
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| | trisodium 4-hydroxy-5-[[5-sulphonato-4-[(p-tolyl)amino]naphthyl]azo]naphthalene-2,7-disulphonate Basic information |
| | trisodium 4-hydroxy-5-[[5-sulphonato-4-[(p-tolyl)amino]naphthyl]azo]naphthalene-2,7-disulphonate Chemical Properties |
| Melting point | >250°C | | solubility | Solubility Soluble in water, ethanol | | pka | 11.29(at 25℃) | | form | powder | | color | Brown | | PH Range | Blue (11.0) to red (12.0) | | Major Application | Wool dyeing, tints for polyester fibers, coloring metal oxide |
| | trisodium 4-hydroxy-5-[[5-sulphonato-4-[(p-tolyl)amino]naphthyl]azo]naphthalene-2,7-disulphonate Usage And Synthesis |
| Preparation | 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?diazo, and 8-(P-toluidino)naphthalene-1-sulfonic acid?coupling. | | Properties and Applications | red light blue. Soluble in water and ethanol for red light blue, insoluble in other organic solvents. The strong sulfuric acid in the dark for the light blue to blue-black, diluted for blue; In nitric acid for dark yellow solution.
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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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5
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3
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3
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3
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3
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3
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AATCC
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4
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2
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2
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4
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4
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2
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| | trisodium 4-hydroxy-5-[[5-sulphonato-4-[(p-tolyl)amino]naphthyl]azo]naphthalene-2,7-disulphonate Preparation Products And Raw materials |
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