dye|World dye variety

Name:C.I.Direct Red 54,C.I.29215

Molecular Structure: Double azo class

C.I.Direct Red 54,C.I.29215,CAS 6410-42-0,1060.88,C41H24N6Na4O15S4,Direct Fast Scarlet 8BA,Direct Red 2B

Molecular Formula:C₄₁H₂₄N₆Na₄O₁₅S₄

Molecular Weight: 1060.88

CAS Registry Number:6410-42-0

Manufacturing Methods :  5-Aminonaphthalene-1-sulfonic acid (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.

Properties and Applications: blue-ray red. Soluble in water for product red, soluble in ethanol is shallow dark pink. The strong sulfuric acid for purple, diluted for pink. The dye solution to join strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution for orange brown.

List of Suppliers:

Direct Fast Scarlet 8BA( S A des Ets. Steiner )

Direct Red 2B( Joint Stock Company ‘Coioros’ )

Sakoton Red 2S( Sivashdky Dye Plant )

Sumitomo Light Scarlet 8 BA( Kaseihin Kogyo Kyokai )