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
- Mol File:
- 6409-85-4.mol
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Direct black 77 (C.I. 35860) Usage And Synthesis
Preparation
2-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 Applications
green 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 | ||
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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