Date published: 2026-5-31

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Direct Blue 6 (CAS 2602-46-2)

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Alternate Names:
Benzo Blue 2B; Nippon Blue B
Application:
Direct Blue 6 is a useful blue dye for staining cellulose fibers
CAS Number:
2602-46-2
Molecular Weight:
932.74
Molecular Formula:
C32H20N6O14S44Na
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Direct Blue 6 is a dye used to various industries, including textiles, paper, and leather. It is a water-soluble compound that is used to color fabrics and other materials. Direct Blue 6 is found in many everyday products, such as clothing and paper products. In biochemistry, this dye is used as a staining agent to visualize proteins and nucleic acids in laboratory experiments. Its ability to bind to specific molecules makes it useful for studying the structure and function of biomolecules. Direct Blue 6 has applications in the purification and isolation of biomolecules, making it a valuable resource in biochemistry.


Direct Blue 6 (CAS 2602-46-2) References

  1. Sorption Behavior of Dye Compounds onto Natural Sediment of Qinghe River.  |  Liu, R., et al. 2001. J Colloid Interface Sci. 239: 475-482. PMID: 11427013
  2. 13-week subchronic toxicity studies of direct blue 6, direct black 38, and direct brown 95 dyes.  |  ,. 1978. Natl Cancer Inst Carcinog Tech Rep Ser. 108: 1-117. PMID: 12799683
  3. DNA adduct formation by 12 chemicals with populations potentially suitable for molecular epidemiological studies.  |  Uziel, M., et al. 1992. Mutat Res. 277: 35-90. PMID: 1376441
  4. The reduction of azo dyes by the intestinal microflora.  |  Chung, KT., et al. 1992. Crit Rev Microbiol. 18: 175-90. PMID: 1554423
  5. Biodegradation of benzidine based dye Direct Blue-6 by Pseudomonas desmolyticum NCIM 2112.  |  Kalme, SD., et al. 2007. Bioresour Technol. 98: 1405-10. PMID: 16822666
  6. Rapid decoloration of azo dye Direct Blue 6 by AlCrFeMn high entropy alloy.  |  Wu, S., et al. 2018. RSC Adv. 8: 41347-41354. PMID: 35559283
  7. Internal exposure of rats to benzidine derived from orally administered benzidine-based dyes after intestinal azo reduction.  |  Bos, RP., et al. 1986. Toxicology. 40: 207-13. PMID: 3726894
  8. Direct black 38, direct blue 6, direct brown 95, benzidine derived dyes.  |  Thomas, AW., et al. 1978. Am Ind Hyg Assoc J. 39: A-18-A-24. PMID: 581253
  9. Metabolism of benzidine-based dyes and the appearance of mutagenic metabolites in urine of rats after oral or intraperitoneal administration.  |  Bos, RP., et al. 1984. Toxicology. 31: 271-82. PMID: 6740702
  10. Binding of benzidine, N-acetylbenzidine, N, N'-diacetylbenzidine and Direct Blue 6 to rat liver DNA.  |  Martin, CN., et al. 1983. Environ Health Perspect. 49: 101-6. PMID: 6832087
  11. Carcinogenicity of hair dye components.  |  Van Duuren, BL. 1980. J Environ Pathol Toxicol. 3: 237-51. PMID: 6993608
  12. The release of 4,4'-diaminobiphenyls from azodyes in the rat.  |  Kennelly, JC., et al. 1982. Carcinogenesis. 3: 947-51. PMID: 7127676
  13. Thirteen-week subchronic toxicity studies of Direct Blue 6, Direct Black 38, and Direct Brown 95 dyes.  |  Robens, JF., et al. 1980. Toxicol Appl Pharmacol. 54: 431-42. PMID: 7394798

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Direct Blue 6, 1 g

sc-486745
1 g
$121.00