dye|World dye variety

Name:C.I.Solvent Red 18,C.I.21260

Molecular Structure: Double azo class

C.I.Solvent Red 18,C.I.21260,CAS 6483-64-3,644.72,C41H32N4O4,Aizen SOT Red,Oil Scarlet 308,Special Red 3R

Molecular Formula:C₄₁H₃₂N₄O₄

Molecular Weight: 644.72

CAS Registry Number:6483-64-3

Manufacturing Methods :4,4′-Diamino-3,3′-dimethoxytriphenylmethane double nitrogen, and Naphthalen-2-ol (2 Moore) coupling.

Properties and Applications: yellow red. Slightly soluble in ethanol, soluble in acetone and benzene, insoluble in water. In concentrated sulfuric acid for yellow green, to orange after diluted in concentrated sodium hydroxide of insoluble.

List of Suppliers:

Aizen SOT Red-3 ( Hodogaya Chemical Co Ltd )

Oil Red 3R( Sinlai Industries Corp )

Oil Scarlet 308( Orient Corporation of America )

Orient Oil Scarlet 308( Kaseihin Kogyo Kyokai )

Polysolve Red 18 ( Polysolve Inc. )

Scarlet (Simpsons (UK) Ltd)

Special Red 3R( Bayer Group )

Sudan Red 3B( Pylam Products Co. Inc. )