| Company Name: |
Alfa Chemistry
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| Tel: |
1-516-6625404 |
| Email: |
support@alfa-chemistry.com |
| Products Intro: |
Product Name:Vat Blue 42
CAS:1327-81-7
Package:1g;10g;100g;1KG;5KG
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| | 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 | | MF: | | | MW: | 0 | | EINECS: | 215-500-6 | | Product Categories: | UVCBs-organic-metal salts | | Mol File: | Mol File | ![Vat Blue 42 Structure]() |
| | Vat Blue 42 Chemical Properties |
| | Vat Blue 42 Usage And Synthesis |
| Chemical Properties | Dark blue powder. Insoluble in water, insoluble in sodium sulfide solution. Yellow in alkaline reducing solution; dark greenish yellow in acidic reducing solution. Greenish blue in concentrated sulfuric acid, produces greenish blue precipitate after dilution. | | 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.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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4
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3
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5
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3
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3
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AATCC
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5
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3
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5
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4
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4
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| | Vat Blue 42 Preparation Products And Raw materials |
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