2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt

Product Name
2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt
CAS No.
6222-51-1
Chemical Name
2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt
Synonyms
Mordant Black 52;C.I.Mordant Black 52:C.I.17520;2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt
CBNumber
CB64751067
Molecular Formula
C22H15N4NaO7S
Formula Weight
502.43187
MOL File
6222-51-1.mol
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Hazard and Precautionary Statements (GHS)

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2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt Chemical Properties,Usage,Production

Preparation

2-Amino-4-nitrophenol diazotization, in alkaline condition and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications

blue black. Soluble in water for magenta, right amount soluble in ethanol for orange brown. In concentrated sulfuric acid for magenta, dilution after red brown. Dye aqueous solution to join concentrated hydrochloric acid have bordeaux red precipitation; Join concentrated sodium hydroxide solution for brown light magenta precipitation.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 7-8 4-5 4-5 5 5

2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt Suppliers

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6222-51-1, 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium saltRelated Search:

5,8-Dihydroxy-1,4-naphthoquinone Mordant Black 29 sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate Mordant Black 3 C.I. Mordant Black 50 1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol SOLOCHROME BLACK F Mordant Black 38 Acid alizarin black SN;Mordant black 25

  • 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt
  • C.I.Mordant Black 52:C.I.17520
  • Mordant Black 52
  • 6222-51-1