Basic information Safety Supplier Related

CHLORAZOL BLACK LF

Basic information Safety Supplier Related

CHLORAZOL BLACK LF Basic information

Product Name:
CHLORAZOL BLACK LF
Synonyms:
  • CHLORAZOL BLACK LF
  • DIRECT BLACK 4
  • DIRECT BLACK RW
  • 1’-biphenyl)-4-yl)azo)-5-hydroxy-6-(pheylazo)-)(disodiumsalt
  • 1’-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-][disodiumsalt
  • 2,7-naphthalenedisulfonicacid,4-amino-3-((4’-((2,4-diamino-5-methylphenyl)azo
  • 2,7-naphthalenedisulfonicacid,4-amino-3-[[4’-[(2,4-diamino-5-methylphenyl)azo
  • disodium 4-amino-3-[[4'-[(2,4-diamino-5-methylphenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate
CAS:
2429-83-6
MF:
C35H30N9NaO7S2
MW:
775.79
EINECS:
219-392-1
Mol File:
2429-83-6.mol
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CHLORAZOL BLACK LF Chemical Properties

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

Hazardous Substances Data
2429-83-6(Hazardous Substances Data)
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CHLORAZOL BLACK LF Usage And Synthesis

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

CHLORAZOL BLACK LFSupplier

Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Email
market03@meryer.com
Hubei Jusheng Technology Co.,Ltd.
Tel
18871490254
Email
linda@hubeijusheng.com