tetrasodium 5,5'-[thiobis[(3-sulphonato-p-phenylene)azo]]disalicylate
tetrasodium 5,5'-[thiobis[(3-sulphonato-p-phenylene)azo]]disalicylate Basic information
- Product Name:
- tetrasodium 5,5'-[thiobis[(3-sulphonato-p-phenylene)azo]]disalicylate
- Synonyms:
-
- tetrasodium 5,5'-[thiobis[(3-sulphonato-p-phenylene)azo]]disalicylate
- 3,3'-[Thiobis[(3-sulfo-4,1-phenylene)azo]]bis(6-hydroxybenzoic acid)tetrasodium salt
- 5,5'-[Thiobis[(3-sodiosulfo-4,1-phenylene)azo]]bis[2-hydroxybenzoic acid sodium] salt
- C.I.25130
- C.I.Direct Yellow 74
- tetrasodium,(3E)-3-[[4-[4-[(2E)-2-(3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfonatophenyl]sulfanyl-3-sulfonatophenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate
- C.I.Direct Yellow 74:C.I.25130
- Direct Yellow 74
- CAS:
- 6391-20-4
- MF:
- C26H14N4Na4O12S3
- MW:
- 762.56304
- EINECS:
- 228-999-0
- Mol File:
- 6391-20-4.mol
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tetrasodium 5,5'-[thiobis[(3-sulphonato-p-phenylene)azo]]disalicylate Usage And Synthesis
Preparation
2-(2-Sulfo-4-aminophenylthio)-5-aminobenzenesulfonic acid double nitriding, and 2-Hydroxybenzoic acid (2 Moore) coupled.
Properties and Applications
red light yellow. Soluble in water for red light yellow to orange, soluble in ethanol. In the strong sulfuric acid to red, yellow for green light after diluted. The dye solution to join strong hydrochloric acid for olive brown, have precipitation; Add thick sodium hydroxide solution for orange brown.
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tetrasodium 5,5'-[thiobis[(3-sulphonato-p-phenylene)azo]]disalicylate (6391-20-4)Related Product Information
- Direct Yellow 87
- DIRECT YELLOW 96
- tetrasodium 3,3'-[(1,6-dihydro-6-oxo-1,3,5-triazine-2,4-diyl)bis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulphonate)
- Benzoic acid, 3,3'-[1,2-ethanediylbis[(3-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-, tetrasodium salt
- Direct Yellow 86
- DIRECT PURE YELLOW 5G
- TITAN YELLOW
- Direct Yellow 79