Direct Black 10
Name:C.I.Direct Black 10,C.I.31545
Molecular Structure: trisazo class
Molecular Formula:C32H28N10Na2O6S
Molecular Weight: 726.67
CAS Registry Number:8005-82-1
Manufacturing Methods : N-(4-aminophenyl)acetamide diazo,In alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 4-Methylbenzene-1,3-diamine (1 Moore) and N-(2-methyl-5-aminophenyl)glycine (1 Moore) coupled.
Properties and Applications: black. Soluble in water for red light black, slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for navy, diluted red for black. Dyes to dilute sulphuric acid solution micro light blue; Join strong colour and lustre not sodium hydroxide solution
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 4 | 2 | 2 | 3 |
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