Bismark Brown Y
Name: Bismark Brown Y
CAS Registry Number: 10114-58-6
CA Index Name: 1,3-Benzenediamine, 4,4'-[1,3-pheny-lenebis(2,1-diazenediyl)]bis-, hydrochloride (1:2)
Other Names: 1,3-Benzenediamine, 4,4'-[1,3-phenyle-nebis(azo)]bis-, dihydrochloride; C.I. 21000; C.I. Basic Brown 1, dihydrochloride; Basic Brown G; Basic Brown GX; Basic Brown GXP; Excelsior Brown; Leather Brown; Manchester Brown; Phenylene Brown; Vesuvin; Vesuvine
Merck Index Number: 1253
Chemical / Dye Class: Azo
Molecular Formula: C18H20Cl2N8
Molecular Weight: 419.31
Physical Form: Blackish-brown or red-brown powder
Solubility: Soluble in water, methyl cellosolve, ethylene glycol; slightly soluble in ethanol; insoluble in acetone, benzene, carbon tetrachloride, xylene
Melting Point: > 200 °C
pKa: 5.0
Absorption (λmax): 457 nm
Synthesis: Synthetic methods
Staining Applications: Brain; spinal cord; sperm head; tissue culture; cytoplasmic vacuoles; nucleic acids; keratin fibers
Biological Applications: Differential inhibition of brain specific binding
Industrial Applications: Inks; toners; electrophotography; paints; wood
Safety / Toxicity: No data available
Certification / Approval: Certified by Biological Stain Commission (BSC)
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