ChemicalBook > CAS DataBase List > Acid Brown 121
Acid Brown 121
- Product Name
- Acid Brown 121
- CAS No.
- 6487-04-3
- Chemical Name
- Acid Brown 121
- Synonyms
- C.I.33520;Brown SFR;Acid Brown H;Acid Brown 121;Corium Acid Dark Brown MG;FDCRYNDCYLYSJW-CDEBPZJLSA-N;C.I.Acid Brown 121:C.I.33520;ACID BROWN H 100%,ACID BROWN 121;Acid Brown 121 ISO 9001：2015 REACH;4-Hydroxy-5-[[3-[(2-hydroxy-5-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulfonic acid disodium salt
- CBNumber
- CB5968565
- Molecular Formula
- C28H19N8NaO14S2
- Formula Weight
- 778.61
- MOL File
- 6487-04-3.mol
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Acid Brown 121 Chemical Properties,Usage,Production
Uses
C.I. Acid brown 121 is an acidic brown dye that can be adsorbed and removed by bentone clay.
Preparation
4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?diazo, Coupled with resorcinol, 4-Nitrobenzenamine diazo, and the generation of single accidentally coupled nitrogen compounds, its product again with diazo of 2-Amino-4-nitrophenol coupling.
Properties and Applications
dark yellow light brown. Soluble in water for brown. The strong sulfuric acid for wine, dilute after brown precipitation. In water solution to join strong hydrochloric acid with brown precipitation; Join rare sodium hydroxide solution for red brown.
References
[1] Baskaralingam P, Pulikesi M, Elango D, et al. Adsorption of acid dye onto organobentonite[J]. Journal of hazardous materials, 2006, 128(2-3): 138-144.
Acid Brown 121 Preparation Products And Raw materials
Raw materials
Preparation Products
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6487-04-3, Acid Brown 121Related Search:
2,4-Bis[[2,6-dihydroxy-3-[(4-nitrophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt
disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-)
4-Hydroxy-6-[[3-[(2-hydroxy-3-nitro-5-sodiosulfophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2-sulfonic acid sodium salt
Acid Brown 144
disodium 4-[[2,4-diamino-5-[(3-sulphonatophenyl)azo]phenyl]azo]-2-[[2,6-dihydroxy-3-[(4-nitrophenyl)azo]phenyl]azo]benzenesulphonate
Acid Brown 14
ACID BROWN 13
trisodium 2,4-bis[[2,4-diamino-5-[(3-sulphonatophenyl)azo]phenyl]azo]benzenesulphonate
Chromate(3-), bis[3-[[2-(amino-κN)-4-amino-5-chlorophenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, disodium hydrogen