dye|World dye variety

Name:C.I.Vat Black 28,C.I.65010

Molecular Structure: anthraquinones

C.I.Vat Black 28,C.I.65010,CAS 128-79-0,667.66,C42H25N3O6

Molecular Formula:C₄₂H₂₅N₃O₆

Molecular Weight: 667.66

CAS Registry Number:128-79-0

Manufacturing Methods : N-(9,10-dioxo-9,10-dihydroanthracene-1-yl)-1-aminoanthracene-9,10-dione imine nitration,, then use Sodium sulfide reduction, garnish with Benzoyl chloride acylation.

Properties and Applications: grey. Slightly soluble in Xylene. In concentrated sulfuric acid for yellow green, dilution after grey precipitation. Alkaline reduction leuco for red brown; Acid reduction leuco for yellow brown. This product dye cellulose fibre for grey. Mainly used for cotton fabric of white discharge printing.

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