| Identification | Back Directory | [Name]
tetrasodium 5,5'-[thiobis[(3-sulphonato-p-phenylene)azo]]disalicylate | [CAS]
6391-20-4 | [Synonyms]
C.I.25130
Direct Yellow 74
C.I.Direct Yellow 74
C.I.Direct Yellow 74:C.I.25130
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
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 | [EINECS(EC#)]
228-999-0 | [Molecular Formula]
C26H14N4Na4O12S3 | [MOL File]
6391-20-4.mol | [Molecular Weight]
762.563 |
| Hazard Information | Back Directory | [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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