1327-81-7

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 NO: 1327-81-7
• Molecular Weight: 302.37
• EINECS: 215-500-6
• Product Categories: UVCBs-organic-metal salts
• Mol File: 1327-81-7.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Vat Blue 42(CAS DataBase Reference)
• NIST Chemistry Reference: Vat Blue 42(1327-81-7)
• EPA Substance Registry System: Vat Blue 42(1327-81-7)

Safety Data

• Hazardous Substances Data: 1327-81-7(Hazardous Substances Data)

Usage

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

Standard

Ironing Fastness

Fading

Stain

ISO

4

AATCC

5