C.I. Direct orange 25
- Product Name
- C.I. Direct orange 25
- CAS No.
- 6486-43-7
- Chemical Name
- C.I. Direct orange 25
- Synonyms
- Direct Orange 25;C.I. Direct orange 25;C.I.Direct Orange 25:C.I.22135;1-Naphthalenesulfonic acid, 4-amino-3-((4'-((4-hydroxy-3-methylphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, monosodium salt
- CBNumber
- CB42497378
- Molecular Formula
- C29H24N5NaO4S
- Formula Weight
- 561.59
- MOL File
- 6486-43-7.mol
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C.I. Direct orange 25 Property
- EPA Substance Registry System
- C.I. Direct Orange 25 (6486-43-7)
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C.I. Direct orange 25 Chemical Properties,Usage,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and o-Cresol coupling.
Properties and Applications
red light orange. Moderate soluble in water for orange brown, slightly soluble in ethanol for gold orange. In the dark for the strong sulfuric acid, diluted for dark purple. The dye solution to join strong hydrochloric acid for violet black, precipitation; Add thick sodium hydroxide solution for yellow orange brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 2 | 4 | 1-2 | 2 | 2-3 | ||
C.I. Direct orange 25 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I. Direct orange 25 Suppliers
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[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[[2,6-diamino-3-sulfo-5-[(3-sulfophenyl)azo]phenyl]azo]phenyl]-6-methyl-, trisodium salt