1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt

Product Name
1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt
CAS No.
5858-75-3
Chemical Name
1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt
Synonyms
Direct Red 51;C.I.Direct Red 51:C.I.14990;1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt
CBNumber
CB54756803
Molecular Formula
C26H22N3NaO7S3
Formula Weight
607.65
MOL File
5858-75-3.mol
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Hazard and Precautionary Statements (GHS)

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1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt Chemical Properties,Usage,Production

Preparation

2-(3-Methyl-4-aminophenyl)-4,6-dimethylbenzothiazole diazo, and 8-Hydroxynaphthalene-1,6-disulfonic acid coupling.

Properties and Applications

blue light pink. Soluble in water for pink, and adequate soluble in alcohol in red. The strong sulfuric acid to red light purple, for the big red after diluted. The dye solution to join strong hydrochloric acid have red precipitate; Add thick sodium hydroxide solution has the purple precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3 2 1 1
AATCC 4-5 1 4 1 1

1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt Suppliers

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5858-75-3, 1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium saltRelated Search:

tetrasodium 4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-aminonaphthalene-2,7-disulphonate] disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) 2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Direct Red 45 2-Naphthalenesulfonic acid, 8,8'-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]]bis[7-(methylamino)-, tetrasodium salt 7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt GERANINE G 2-Hydroxy-5-[[4'-[(1,6-dihydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt 1,6-Naphthalenedisulfonic acid, 8-hydroxy-7-[[4-(6-methyl-2-benzothiazolyl)phenyl]azo]-, disodium salt

  • 1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt
  • C.I.Direct Red 51:C.I.14990
  • Direct Red 51
  • 5858-75-3