| Identification | Back Directory | [Name]
Benzoic acid, 3,3'-[1,2-ethanediylbis[(3-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-, tetrasodium salt | [CAS]
6459-73-0 | [Synonyms]
Direct Yellow 73
C.I.Direct Yellow 73:C.I.24850
Benzoic acid, 3,3'-[1,2-ethanediylbis[(3-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-, tetrasodium salt | [EINECS(EC#)]
613-631-7 | [Molecular Formula]
C28H23N4NaO12S2 | [MOL File]
6459-73-0.mol | [Molecular Weight]
694.62 |
| Hazard Information | Back Directory | [Preparation]
1,2-Bis(4-nitro-2-sulfophenyl)ethane double nitriding, and 2-Hydroxybenzoic acid (2 Moore) coupled. | [Properties and Applications]
green light yellow. Soluble in water for green light yellow, slightly soluble in alcohol. The strong sulfuric acid for gold in orange, no change after diluted. The dye solution to join strong hydrochloric acid for orange, precipitation; With strong sodium hydroxide solution for gold orange. |
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