Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 5,C.I.36900

Molecular Structure: Stilbenes

C.I.Fluorescent Brightener 5,C.I.36900,652.21,C28H22N4Na2O8S2,Fluorescent Purple 2G

Molecular Formula:C₂₈H₂₂N₄Na₂O₈S₂

Molecular Weight: 652.21

CAS Registry Number:

Manufacturing Methods :with Sodium sulfide deal with (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid, and 2 Moore’s 4-Nitrobenzoyl chloride condensation, and will be two nitrocellulose reduction for amino.

Properties and Applications:red light blue. Slightly soluble in water is very shallow brown light yellow, slightly soluble in Cellosole, insoluble in other organic solvent. In concentrated sulfuric acid for extremely shallow olive, dilute is very shallow yellow; In concentrated nitric acid for shallow olive solution. Fluorescent whitening agent solution to join concentrated hydrochloric acid is very shallow brown light yellow, With strong caustic for shallow olive yellow

List of Suppliers:

Fluorescent Purple 2G(Allied chemical Corporation )