CHLORAZOL BLACK LF

CHLORAZOL BLACK LF Structure
CAS No.
2429-83-6
Chemical Name:
CHLORAZOL BLACK LF
Synonyms
NSC73417;black3embl;erieblackrb;erieblackrf;erieblackrw;erieblackrx;diazoblackrw;directblackk;directblackr;paperblackrw
CBNumber:
CB8375317
Molecular Formula:
C35H30N9NaO7S2
Molecular Weight:
775.79
MOL File:
2429-83-6.mol
Modify Date:
2022/12/21 16:56:50

CHLORAZOL BLACK LF Properties

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

CHLORAZOL BLACK LF Chemical Properties,Uses,Production

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 LF Preparation Products And Raw materials

Global( 9)Suppliers
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ABCR GmbH & CO. KG 49 721 95061 0 Germany 6846 75 Inquiry
VWR International 800 932 5000 United Kingdom 6554 82 Inquiry
Pylam Products Company, Inc. 800-645-6096 United States 3257 30 Inquiry
Service Chemical Inc. 888-895-6920 Germany 6373 71 Inquiry
HONEST JOY HOLDINGS LIMITED +86-755-26404303 United States 6702 54 Inquiry
Meryer (Shanghai) Chemical Technology Co., Ltd. 021-61259108 18621169109 China 40240 62 Inquiry
Portail Substances Chimiques 10 20 0000 France 6027 58 Inquiry
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 2,7-Naphthalenedisulfonic acid, 4-amino-3-4-(2,4-diamino-5-methylphenyl)azo1,1-biphenyl-4-ylazo-5-hydroxy-6-(phenylazo)-, disodium salt NSC73417 Direct black 4 (C.I. 30245) ahcodirectblackrw airedaleblackrwd atlanticblackrw azinedeepblack3rl azocardblackrw bencidalblackrw benzanilblackrw benzodeepblackrw black3embl c.i.directblack4 carbideblacker chloramineblacke2b chromeleatherblacker cidirectblack4 cidirectblack4,disodiumsalt coirdeepblackr cottonblackmt diaminedeepblackrw diaphtamineblackmt diazinedirectblackr diazoblackrw diazolblacker diphenyldeepblackvn directblackk directblackr directdeepblackrw directdiazoblackrw enianilblackrcn erieblackrb erieblackrf erieblackrrac erieblackrw erieblackrx fenaminblackrw formicblackmtr hispaminblack3rx nippondeepblack3rl nippondeepblackrl nippondeepblackrlextra paperblackrw paperdeepblackr paraldehydeblackrw phenamineblackrw tertrodirectblackrw tetrazodeepblackr vondacelblackrw 4-amino-3-[[4'-[(2,4-diamino-5-methylphenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-Naphthalenedisulfonic acid, disodium salt