Date published: 2026-4-24

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Pararosaniline hydrochloride (CAS 569-61-9)

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Alternate Names:
Basic Red 9; Basic Parafuchsin
Application:
Pararosaniline hydrochloride is the primary component of Basic Fuchsin mixtures
CAS Number:
569-61-9
Molecular Weight:
323.82
Molecular Formula:
C19H17N3•HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Pararosaniline hydrochloride is the main, pure component of Basic Fuchsin mixtures. It is used in acid-fast staining procedures that use carbol-fusion. It is used in Endo medium, a solution used in bacteriological analysis. It is used as Schiff′s reagent in the Periodic Acid Schiff and Feulgen techniques, staining methods used in pathology and histology. It is also used in Gomori′s aldehyde fuchsin method for hepatitis B surface antigen and pancreatic B cells.


Pararosaniline hydrochloride (CAS 569-61-9) References

  1. Analysis and testing of biological stains--the Biological Stain Commission Procedures.  |  Penney, DP., et al. 2002. Biotech Histochem. 77: 237-75. PMID: 12564600
  2. Determination of pararosaniline hydrochloride in workplace air.  |  Kowalska, J. and Jeżewska, A. 2019. Environ Monit Assess. 191: 444. PMID: 31209660
  3. Fabrication of multifunctional TANI/Cu2O/Ag nanocomposite for environmental abatement.  |  Botsa, SM. and Basavaiah, K. 2020. Sci Rep. 10: 14080. PMID: 32826928
  4. A Carbocationic Triarylmethane-Based Porous Covalent Organic Network.  |  Freitas, SKS., et al. 2021. Chemistry. 27: 2342-2347. PMID: 32902879
  5. A resin containing motifs of maleic acid and glycine: a super-adsorbent for adsorptive removal of basic dye pararosaniline hydrochloride and Cd(II) from water.  |  Yaagoob, IY., et al. 2021. J Environ Health Sci Eng. 19: 1333-1346. PMID: 34900270
  6. Application of Covalent Organic Frameworks (COFs) as Dyes and Additives for Dye-Sensitized Solar Cells (DSSCs).  |  Inácio, D., et al. 2023. Nanomaterials (Basel). 13: PMID: 37049299
  7. High Uptake of the Carcinogenic Pararosaniline Hydrochloride Dye from Water Using Carbazole-Containing Conjugated Copolymers Synthesized from a One-Pot Cyclopentannulation Reaction.  |  Shetty, S., et al. 2023. ACS Appl Mater Interfaces. 15: 28149-28157. PMID: 37257132
  8. Identification of pararosaniline as a modifier of RNA splicing in Caenorhabditis elegans.  |  Huynh, D. and Wu, CW. 2023. G3 (Bethesda). 13: PMID: 37852248
  9. SpoIVA is an essential morphogenetic protein for the formation of heat- and lysozyme-resistant spores in Clostridium sporogenes NBRC 14293.  |  Kuwana, R., et al. 2024. Front Microbiol. 15: 1338751. PMID: 38721605
  10. Comparison of rat and hamster hepatocyte primary culture/DNA repair assays.  |  Kornbrust, DJ. and Barfknecht, TR. 1984. Environ Mutagen. 6: 1-11. PMID: 6692797

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Pararosaniline hydrochloride, 25 g

sc-203751
25 g
$106.00

Pararosaniline hydrochloride, 100 g

sc-203751A
100 g
$323.00