Molecular formula: C28H22N2O2 3.Molecular weight: 602.61 4.Quality index: 1).Appearance: Bluish green powder 2)Melting point: 235-232.8 °C(lit.) 3)Assay:≥ 4)Toluene insoluble matter: 5)Ash: 6)Moisture: Packing: Usage: Undergo colour when co-intercalated with acid yellow 25 into the interlayer of ZnAl layered double hydroxides.Dyes and metabolites.

CAS NO:4403-90-1

EC NO:224-546-6

Molecular Formula:C₂₈H₂₀N₂Na₂O₈S₂

Molecular Weight:622.5765

Synonyms:C.I. 61570;C.I. 61 570;C.I. 61 570 [Czech];C.I. Acid Green 25;C.I. Acid Green 25 disodium salt;Alizarin Cyanine Green F;Alizarin Cyanin Green G;Alizarin Cyanone Green B Extra;Acid Green 25;acid green 25 (C.I. 61570);Acid Green 25 (C.I.);disodium 2,2-(9,10-dioxoanthracene-1,4-diyldiimino)bis(5-methylsulphonate);disodium 2,2-(anthraquinone-1,4-diimino)bis(5-methylsulphonate);Alizarin cyanin green F;disodium 2,2'-[(9,10-dioxo-9,10-dihydroanthracene-1,4-diyl)diimino]bis(5-methylbenzenesulfonate);C.I.Acid Green 25;

Molecular Structure: