Date published: 2026-4-25

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Procion Red MX 8B (CAS 57583-69-4)

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Alternate Names:
Reactive Brilliant Red X 6B
CAS Number:
57583-69-4
Molecular Weight:
767.44
Molecular Formula:
C23H11Cl2N6Na3O10S3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Procion Red MX 8B is a reactive triazine dye used on cotton fabrics and other textiles under neutral conditions. Part of the Procion MX series of dyes, it stands out for its colorfastness properties, allowing fabrics dyed with Procion Red MX-8B to retain their color intensity and resist fading from washing, light, and chlorine exposure. This dye operates through a cold dyeing process, where it forms a covalent bond with the cellulose fiber at room temperature, resulting in a permanent coloration. Its ability to create shades of red without high temperatures aligns with eco-friendly dyeing practices, reducing energy consumption and minimizing the environmental impact.


Procion Red MX 8B (CAS 57583-69-4) References

  1. Studies on the nature of transition-metal-ion-mediated binding of triazine dyes to enzymes. The interaction of procion red MX-8B with carboxypeptidase G-2.  |  Hughes, P., et al. 1984. Eur J Biochem. 144: 135-42. PMID: 6548187
  2. Decolorisation treatments of azo dye waste waters including dichlorotriazinyl reactive groups by using advanced oxidation method  |   and Ayse Uygur, Ece Kök. November 1999. Coloration Technology. Volume115, Issue11: Pages 350-354.
  3. A Green Nucleophilic Aromatic Substitution Reaction  |  Liza Abraham*. 2020,. J. Chem. Educ. 97, 10,: 3810–3815.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Procion Red MX 8B, 100 mg

sc-476637
100 mg
$396.00