C.I. Direct Brown 67
C.I. Direct Brown 67 Basic information
- Product Name:
- C.I. Direct Brown 67
- Synonyms:
-
- C.I. Direct Brown 67
- Direct Brown 67
- C.I.Direct Brown 67:C.I.26230
- CAS:
- 8006-00-6
- MW:
- 0
- EINECS:
- 616-884-1
- Mol File:
- Mol File
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C.I. Direct Brown 67 Usage And Synthesis
Preparation
4-Aminonaphthalene-1-sulfonic acid (90%), 8-Aminonaphthalene-2-sulfonic acid (10%) diazo, and Naphthalen-1-amine coupling, product to diazo, and Benzene-1,3-diamine coupling.
Properties and Applications
Red light brown. Soluble in water for orange brown, slightly soluble in ethanol for yellow orange brown. The strong sulfuric acid for dark blue black, diluted for brown. The dye solution with strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 2 | 4 | 2 | 1 | 1 | ||
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C.I. Direct Brown 67(8006-00-6)Related Product Information
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