Company Name: |
Emichem Pvt Ltd
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Tel: |
+91-3340440048 +91-9831626921 |
Email: |
info@emichem.co.in |
Products Intro: |
Product Name:Direct blue 215 CAS:6771-80-8 Purity:98% Package:1 kg,5 kg, 10 kg,25kg and 1 MT
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Company Name: |
Vipul Organics Ltd
|
Tel: |
+91-2266139999 +91-2266139999 |
Email: |
info@vipulorganics.com |
Products Intro: |
Product Name:Direct blue 215 CAS:6771-80-8 Purity:98% Package:1 kg,5 kg, 10 kg,25kg
|
Company Name: |
Appex Dye Stuff Industries
|
Tel: |
+91-9974922439 +91-9974922439 |
Email: |
brijesh@appexdyestuff.co.in |
Products Intro: |
Product Name:Direct blue 215 CAS:6771-80-8 Purity:99% Package:1 kg,5 kg, 10 kg,25kg and 1 MT
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| Direct blue 215 (C.I. 24415) Basic information |
| Direct blue 215 (C.I. 24415) Chemical Properties |
| Direct blue 215 (C.I. 24415) Usage And Synthesis |
Preparation | 3,3′-Dimethoxylbenzidine double nitriding, first and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid, and then in three alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling. | Properties and Applications | green light blue. Soluble in water for blue purple, and adequate soluble in alcohol. The strong sulfuric acid for Tracy in blue, and in purple for diluted. The dye solution to join strong hydrochloric acid for red light blue; Add thick sodium hydroxide solution for dark purple, have precipitation.
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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3-4
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3-4
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6
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3-4
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2
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4
|
2
|
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| Direct blue 215 (C.I. 24415) Preparation Products And Raw materials |
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