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HomeProduct name listCHLORAZOL BLACK LF

CHLORAZOL BLACK LF

  • CAS NO.:2429-83-6
  • Empirical Formula: C35H30N9NaO7S2
  • Molecular Weight: 775.79
  • MDL number: MFCD00059547
  • EINECS: 219-392-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:30
CHLORAZOL BLACK LF Structural

What is CHLORAZOL BLACK LF?

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first with aniline diazo,In alkaline conditions with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid??coupling monoazo compound obtained under acidic conditions in the coupling?, then and 4-Methylbenzene-1,3-diamine coupling.

Properties and Applications

black. water-soluble ash light black,, and adequate soluble in ethanol (for blue-ray grey) and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in the dark for the light blue, red red after diluted sauce to black precipitation; In nitric acid solution for brown (not completely); In strong hydrochloric acid for wine solution (not completely).

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 3 2 3
AATCC 3 3 4 3 2

Properties of CHLORAZOL BLACK LF

Colour Index  30245
EPA Substance Registry System C.I. Direct Black 4, disodium salt (2429-83-6)

Safety information for CHLORAZOL BLACK LF

Computed Descriptors for CHLORAZOL BLACK LF

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