Vat Blue 42
Vat Blue 42 Basic information
- Product Name:
- Vat Blue 42
- Synonyms:
-
- Vat Blue 42
- Phenol, 4-[(9-ethyl-9H-carbazol-3-yl)amino]-, reaction products with sodium sulfide (Na2(Sx))
- Sulfur Vat Blue GNX
- Vat blue 42 (C.I. 53640)
- C.I. Vat Blue 42
- Blue GNX
- Dycosulfux Vat Blue GNX.
- C.I.53640
- CAS:
- 1327-81-7
- MW:
- 0
- EINECS:
- 215-500-6
- Product Categories:
-
- UVCBs-organic-metal salts
- Mol File:
- Mol File
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Vat Blue 42 Chemical Properties
- EPA Substance Registry System
- C.I. Vat Blue 42 (1327-81-7)
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Vat Blue 42 Usage And Synthesis
Preparation
3-(4-Hydroxyanilino)-9-ethylcarbazole in Butanol sodium polysulfide solution heating, methods and C.I. Vat Blue 43 (C.I. 53630) similarity. This indophenol is by N – ethylcarbazole and 4-Nitrosophenol in concentrated sulfuric acid, in – 23 ℃ condensation and have to (BIOS 983,65-70) o note: use with C.I. leuco sulfur dye similar method, some the structure of the dyes can be converted into the leuco compound.
Properties and Applications
blue to red light blue. In concentrated sulfuric acid to green light blue, dilution after green blue precipitation; In the basic insurance powder solution or sodium hydroxide solution for yellow.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 3 | 5 | 3 | 3 | ||
| AATCC | 5 | 3 | 5 | 4 | 4 | ||
Vat Blue 42 Preparation Products And Raw materials
Raw materials
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