Company Name: |
Phoenix Colours
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Tel: |
+91-9768127681 +91-9819199181 |
Email: |
info@phoenixcolours.com |
Products Intro: |
Product Name:Direct black 32 CAS:6428-38-2 Purity:98% Package:1 kg,5 kg, 10 kg,25kg and 1 MT
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Company Name: |
Appex Dye Stuff Industries
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Tel: |
+91-9974922439 +91-9974922439 |
Email: |
brijesh@appexdyestuff.co.in |
Products Intro: |
Product Name:Direct black 32 CAS:6428-38-2 Purity:99% Package:1 kg,5 kg, 10 kg,25kg and 1 MT
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Company Name: |
Tanya Exports
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Tel: |
+91-9825040588 +91-9825033002 |
Email: |
tanactive@gmail.com |
Products Intro: |
Product Name:Direct black 32 CAS:6428-38-2 Purity:98% Package:1 kg,5 kg, 10 kg,25kg
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| 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt Basic information |
| 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt Chemical Properties |
| 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt Usage And Synthesis |
Preparation | 5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? (2 Moore) coupled, product to double nitriding, and 2-(3-Aminophenylamino)ethanol (2 Moore) coupled. | Hazard | Moderately toxic. Low toxicity by ingestion. | Properties and Applications | black. Grey to black powder. The strong sulfuric acid for red purple, after dilute black purple precipitation; In strong hydrochloric acid in black precipitation; In the thick of sodium hydroxide solution dark purple precipitation. Mainly used for cotton, such as glue cellulose fiber fabric and silk dyeing and printing. Used for sweet silk and viscose interwoven fabric dyeing.
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
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4
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4
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3-4
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4
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| 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt Preparation Products And Raw materials |
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