Direct black 77 (C.I. 35860)

Direct black 77 (C.I. 35860) Basic information
Product Name:Direct black 77 (C.I. 35860)
Synonyms:Direct black 77 (C.I. 35860);C.I.Direct Black 77:C.I.35860
CAS:6409-85-4
MF:C42H25N11Na4O15S4
MW:1143.93168
EINECS:
Product Categories:
Mol File:6409-85-4.mol
Direct black 77 (C.I. 35860) Structure
Direct black 77 (C.I. 35860) Chemical Properties
Safety Information
MSDS Information
Direct black 77 (C.I. 35860) Usage And Synthesis
Preparation2-Aminobenzene-1,4-disulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling, and then diazo, and 4-Nitrobenzene-1,3-diamine coupling.
Properties and Applicationsgreen light grey. water-soluble ash light black, soluble in ethanol. The strong sulfuric acid for gray light black, grey brown for purple diluted. Dye with strong hydrochloric acid solution for violet black, precipitation; Add thick sodium hydroxide solution for Gray light black, precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 5 2 2-3
Tag:Direct black 77 (C.I. 35860)(6409-85-4) Related Product Information
5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt DIRECT BLACK 80 Direct Black 76 1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt DIRECT BLACK 9 disodium 4-amino-3-[(4-aminophenyl)azo]-6-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-5-hydroxynaphthalene-1-sulphonate 2-Naphthalenesulfonic acid, 6-amino-3-[[4'-[(4-amino-6-sulfo-1-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt Direct black 75 (C.I. 35870) C.I. Direct Black 87