Sudan Black B
Name: Sudan Black B
CAS Registry Number: 4197-25-5
CA Index Name: 1H-Perimidine, 2,3-dihydro-2,2-dimethyl-6-[2-[4-(2-phenyldiazenyl)-1-naphthalenyl] diazenyl]-
Other Names: 1H-Perimidine, 2,3-dihydro-2,2-dimethyl-6-[[4-(phenylazo)-1-naphthalenyl]azo]-; C.I. Solvent Black 3; Sudan Black B; 2,3-Dihydro-2,2-dimethyl-6-[(4-phenylazo-1-naphthalenyl)-azo]-1H-perimidine; 2,3-Dihydro-2,2-dimethyl-6-[[4-(phenylazo)-1-naphthyl] azo]perimidine; 6-(1-Phenylazo-4-naphthylazo)-2,3-dihy-dro-2,2-dimethylperimidine; Acetylated Sudan Black B; Aizen SOT Black 6; C.I. 26150; Ceres Black BN; Chuo Sudan Black 141; Fast Black HBN; Fat Black HB; Fat Black HB 01; Hexatype Black B; Lacquer Black S; Lacquer Black VB; NSC 11239; Neptune Black X 60; Nubian Black BT; Oil Black 860; Oil Black BT; Oil Black HBB; Oil Black HZ; Orient Oil Black 860; Orient Oil Black HBB; SOT-Black 6; Solvent Black 3; Sudan Black 141; Sudan Black X 60; Sudan Deep Black BB; Sudan Deep Black BN; Typogen Black
Merck Index Number: 8885
Chemical / Dye Class: Azo
Molecular Formula: C29H24N6
Molecular Weight: 456.54
Physical Form: Dark brown powder
Solubility: Insoluble in water; soluble in ethanol, acetone, benzene, toluene, xylene, ethylene glycol
Melting Point: 180-186 °C (decompose)
Boiling Point: 726.0 ± 60.0 °C, pressure: 760 Torr
pKa: 3.57 ± 0.40, most basic, temperature: 25 °C
Absorption (λmax): 598 nm, 415 nm
Synthesis: Synthetic methods
Staining Applications: Glycol methacrylate embedded tissue sections; blast cells; lipids; lipid antigens; lipoproteins; apolipoproteins; neuron-specific nuclear protein NeuN; liposomes; myelin; mutants; skin; tissues; keratin fibers; hair
Biological Applications: Diagnosis of acute myeloid leukemia (AML); detecting neuron-specific nuclear protein NeuN; drug screening
Industrial Applications: Plasma display panels; inks; toners; photographic materials; adhesives; pesticides; leather; textiles
Safety / Toxicity: Acute oral toxicity, carcinogenicity
Certification / Approval: Certified by Biological Stain Commission (BSC)
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