CA Index Name: Benzenamine, 4,4'-[(4-imino-2,5-cy-clohexadien-1-ylidene)methylene]bis-, hydrochloride (1:1)
Other Names: Benzenamine, 4,4'-[(4-imino-2,5-cyclo-hexadien-1-ylidene)methylene]bis-, monohydrochloride; Benzenamine, 4-[(4-aminophenyl)(4-imino-2,5-cyclo-hexadien-1-ylidene)methyl]-, monohydrochloride; C.I. Basic Red 9, monohydrochloride; Para Magenta; Basic Parafuchsine; Basic Red 9; C.I. 42500; C.I. Basic Red 9; Calcozine Magenta N; Fuchsine DR 001; Fuchsine SP; Fuchsine SPC; Orient Para Magenta Base; Parafuchsin; Parafuchsine; Pararosaniline; Pararosaniline chloride; Pararosaniline hydrochloride; p-Fuchsin; p-Fuchsine; p-Rosaniline hydrochloride
Merck Index Number: Not listed
Chemical / Dye Class: Triphenylmethane
Molecular Formula: C19H18ClN3
Molecular Weight: 323.82
Physical Form: Dark green crystals
Solubility: Soluble in water, ethanol; insoluble in ether
Melting Point: 268-270 °C (decompose)
Absorption (λmax): 545 nm
Synthesis: Synthetic methods
Staining Applications: Cytokines; antigen-specific antibody; leukocytes; nuclei; nucleic acids; parasites; precancerous cells; prions; hairs; keratine fibers
Biological Applications: Detecting breast cancer; treating pathogens
Industrial Applications: Optical waveguides; semiconductor materials; nanoparticles; inks; highlighters; toner; textiles; wood
Safety / Toxicity: Carcinogenicity; chemical toxicity; chromosomal aberration; genotoxicity; mutagenicity
Certification / Approval: Certified by Biological Stain Commission (BSC)