Contact us: +91 9550333722 040 - 40102781
Structured search
India
Choose your country
Different countries will display different contents
Try our best to find the right business for you.
My chemicalbook

Welcome back!

HomeProduct name listVat Blue 43

Vat Blue 43

  • CAS NO.:1327-79-3
  • Empirical Formula: C18H12N2O
  • Molecular Weight: 0
  • MDL number: MFCD00282810
  • EINECS: 215-499-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:30

What is Vat Blue 43?

Preparation

3-(4-Hydroxyanilino)carbazole in 107 ℃ in Butanol sodium polysulfide solution reflux heating 24 hours, and then with sodium nitrite short time heating, steam out of Butanol, through the air and add salt to make dye completely precipitated out. This indophenol is by carbazole and nitroso phenol in concentrated sulfuric acid in – 20 to 23 ℃ condensation, then reduction and have to (BIOS983, 71 -74). To cure solution is to add 3 – methyl – 4 ‘- hydroxy – 4 -aminodiphenylamine, 4, 4’ – dihydroxydiphenyl aniline and phenol , improved the performance of the dye (BIOS983, 75- 81). 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

red light blue to red light navy blue. In concentrated sulfuric acid for the faint blue, blue precipitation after dilution.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 3 3 5 3 3 4 4
AATCC 4 3 4-5 3

Properties of Vat Blue 43

EPA Substance Registry System C.I. Vat Blue 43 (1327-79-3)

Safety information for Vat Blue 43

Computed Descriptors for Vat Blue 43

Related products of tetrahydrofuran

You may like

Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.