Acid Brown 121
Acid Brown 121 Basic information
- Product Name:
- Acid Brown 121
- Synonyms:
-
- Brown SFR
- Acid Brown H
- 4-Hydroxy-5-[[3-[(2-hydroxy-5-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulfonic acid disodium salt
- C.I.33520
- Corium Acid Dark Brown MG
- FDCRYNDCYLYSJW-CDEBPZJLSA-N
- Acid Brown 121
- disodium,(3Z)-5-[(2Z)-2-[(5E)-5-[(2-hydroxy-5-nitrophenyl)hydrazinylidene]-4,6-dioxocyclohex-2-en-1-ylidene]hydrazinyl]-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
- CAS:
- 6487-04-3
- MF:
- C28H19N8NaO14S2
- MW:
- 778.61
- Mol File:
- 6487-04-3.mol
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Acid Brown 121 Usage And Synthesis
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.
Acid Brown 121Supplier
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Acid Brown 121(6487-04-3)Related Product Information
- 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