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Direct Black 76

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Direct Black 76 Basic information
Product Name:Direct Black 76
Synonyms:Direct Black 76;C.I.Direct Black 76:C.I.35865
CAS:
MF:
MW:0
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Mol File:Mol File
Direct Black 76 Structure
Direct Black 76 Chemical Properties
Safety Information
MSDS Information
Direct Black 76 Usage And Synthesis
Preparation3-Aminonaphthalene-1,5-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 Applicationsbrown light grey. Soluble in water for violet to violet black, soluble in ethanol. The strong sulfuric acid for gray and blue-ray gray, diluted gray light purple for. The dye solution to join strong hydrochloric acid for galleries to violet, precipitation; Add thick, hydrogen for violet solution oxidation to violet black, precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 5 4-5 2 2-3
Tag:Direct Black 76 Related Product Information
Direct black 77 (C.I. 35860) 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 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