| Colour: | Brown |
|---|---|
| Appearance: | Powder |
| Usage: | Paper, Ink, Leather, Textile, Food, Plastic, Paint |
| Application Material: | Wool |
| Name: | Direct Brown 44 |
| Content: | 100% |
| Customization: |
|---|
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Name:C.I.Direct Brown 44,C.I.35005
Molecular Structure: Multi-azo class
C.I.Direct Brown 44,C.I.35005,CAS 6252-62-6,758.7,C30H24N12Na2O6S2,Direct Brown NB,Direct Brown SL,Direct Brown 3G
Molecular Formula:C30H24N12Na2O6S2
Molecular Weight: 758.7
CAS Registry Number:6252-62-6
Manufacturing Methods :2 moles of nitrous acid treatment with 3 moles of Benzene-1,3-diamine dihydrochloride (This product may be based on the disazo dye mixture as the main ingredient, and commercial dyes are usually composed by a dihydrochloride). And its product (C.I. Basic Brown 1, C.I. 21000) as coupling component and diazotized 4-Aminobenzenesulfonic acid (2 mol) coupling
Apply to the cellulose fibre paper printing and dyeing and color.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 5 | 2 | 2 | 2 | ||
| AATCC | 3-4 | 4 | 2 | 1-2 | 2-3 | ||
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