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disodium 4-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-1-sulphonate

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disodium 4-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-1-sulphonate Basic information

Product Name:
disodium 4-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-1-sulphonate
Synonyms:
  • disodium 4-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-1-sulphonate
  • Acid Brown 15
  • C.I.20190
  • ACID BROWN15 (C.I. 20190)
  • Brown 2R
  • 4-[[2,4-Dihydroxy-3-[(4-sulfophenyl)azo]phenyl]azo]-1-naphthalenesulfonic acid disodium salt
  • C.I.Acid Brown 15
  • Acid Brown SRN
CAS:
5850-15-7
MF:
C22H14N4Na2O8S2
MW:
572.4781
EINECS:
227-446-0
Mol File:
5850-15-7.mol
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disodium 4-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-1-sulphonate Usage And Synthesis

Preparation

4-Aminonaphthalene-1-sulfonic acid diazo, Coupled with resorcinol, 2-Aminobenzenesulfonic acid diazo, again with single accidentally coupled nitrogen compounds.

Properties and Applications

red light brown. Apply to wool, polyamide fiber dyeing, also can be used for leather color.

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