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Vat Red 23

Name:C.I.Vat Red 23,C.I.71130

Molecular Structure: Perylene class

C.I.Vat Red 23,C.I.71130,CAS 5521-31-3,418.40,C26H14N2O4,Vat Red GG

C.I.Vat Red 23,C.I.71130,CAS 5521-31-3,418.40,C26H14N2O4,Vat Red GG

Molecular Formula:C26H14N2O4

Molecular Weight: 418.40

CAS Registry Number:5521-31-3

Manufacturing Methods : (a) 2-Methyl-1H-benz[de]isoquinoline-1,3(2H)-dione  fusion with caustic; 3,4,9,10-Perylenetetracarboxylic acid diimide methylation.

Properties and Applications: dark yellow red. Orange powder. Insoluble in water, slightly soluble in 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene. In concentrated sulfuric acid to purple, dilution after brown light red precipitation: alkaline reduction leuco for red light purple; Acid reduction leuco for dark orange. Used for dyeing cotton fabric for dark yellow red, the cotton fabric can also direct printing or discharge printing, suitable for shallow color printing, but to printed after the steaming conditions sensitive. Can also be used to viscose fabric dyeing, more easily than cotton fabric dyed dark. This product after Pigment change is C.I. Pigment Red 179.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 5 4-5 7 4 2-3 4

List of Suppliers:

Vat Red GG


4 Responses to “Vat Red 23”

  1. […] primer), can also be used in paints and plastics coloring agent, also is the good VAT dye. With C.I.Vat Red 23 and the same chemical […]

  2. […] C.I.Vat Red 23 […]

  3. […] C.I.Vat Red 23 […]

  4. […] primer), can also be used in paints and plastics coloring agent, also is the good VAT dye. With C.I.Vat Red 23 and the same chemical […]

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