Thionin
Name: Thionin
CAS Registry Number: 78338-22-4
CA Index Name: Phenothiazin-5-ium, 3,7-diamino-, acetate (1:1)
Other Names: C.I. 52000; Lauth’s violet; Phenothiazin-5-ium, 3,7-diamino-, acetate; 3,7-Diaminophenothiazin-5-ium acetate; Thionin; Thionin acetate; Thionin acetate salt; Thionine acetate
Merck Index Number: Not listed (Chloride listed: 9346)
Chemical / Dye Class: Phenothiazine
Molecular Formula: C14H13N3O2S
Molecular Weight: 287.34
Physical Form: Dark green powder
Solubility: Soluble in water, ethanol
Melting Point: > 200 °C
pKa: 2.5, 11.3
Absorption (λmax): 598 nm
Emission (λmax): 625 nm
Synthesis: Synthetic methods
Staining Applications: Bacteria; viruses; nucleic acids; glomerular deposits
Biological Applications: Biosensors; diagnosis of diabetes; detecting ascorbic acid, uric acid, glucose, glomerular deposits
Industrial Applications: Batteries; carbon nanotubes; glass-polyester composite fibers; magnetic composites; electrochromic devices
Safety / Toxicity: No data available
Certification / Approval: Certified by Biological Stain Commission (BSC)
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