Stilbene Isothiocyanate Sulfonic Acid (SITS)
Name: Stilbene Isothiocyanate Sulfonic Acid (SITS)
CAS Registry Number: 51023-76-8
CA Index Name: Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2)
Other Names: 4-Acetamido-4'-isothiocyanato-2,2'-stil-benedisulfonic acid disodium salt; Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl) ethenyl]-, disodium salt; Disodium 4-acetamido-4'-iso-thiocyanatostilbene-2,2'-disulfonate; SITS
Merck Index Number: Not listed
Chemical / Dye Class: Stilbene
Molecular Formula: C17H12N2Na2O7S3
Molecular Weight: 498.46
Physical Form: Yellow or tan-yellow powder
Solubility: Soluble in water, methanol, dimethyl sulfoxide
Melting Point: > 200 °C
Absorption (λmax): 336 nm
Emission (λmax): 436 nm
Synthesis: Synthetic methods
Staining Applications: Neuronal axons; proteins; photochromes
Biological Applications: Chloride channel blockers; anion transport inhibitors; treating cancer, glaucoma, heart diseases, viral diseases
Industrial Applications: Not reported
Safety / Toxicity: Effect on hemolysis; lysosomal sulfate transport
