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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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Hazard and Precautionary Statements (GHS)

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Acid Brown 121 Chemical Properties,Usage,Production

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 121 Preparation Products And Raw materials

Raw materials

Preparation Products

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Acid Brown 121 Suppliers

China 10 India 6 United States 2 Global 18

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

  • 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
  • isodium,(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
  • Acid Brown 121 ISO 9001：2015 REACH
  • ACID BROWN H 100%,ACID BROWN 121
  • C.I.Acid Brown 121:C.I.33520
  • 6487-04-3