Toluidine blue O / basic blue 17 / chlortolonine / toluidine ammonium chloride

English name：Toluidine blue O；Basic Blue 17；C.I. 52040；Tolonium chloride； 3-Amino-7-dimethylamino-2-methylphenazathionium chloride

Other names: 3-amino-7 - (dimethylamino) - 2-methylphenothiazine-5-weng chloride; Alkaline blue 17; Chlortolonine; Tolo ammonium chloride

CAS No.: 92-31-9

C15H16ClN3S=305.83

Grade: for microcopy

Content: ≥ 65.0%

Maximum absorption wavelength λ max：628～633 nm

Absorbance test (E1%, λ max，1cm cell H2O）：≥1150

Physicochemical properties: dark green or black gray powder, with bronze luster. It is soluble in water (3.82g/100ml) as blue purple solution, slightly soluble in ethanol (0.57g/100ml) as blue, very slightly soluble in chloroform and almost insoluble in ether. The maximum absorption wavelength (in water) is 640.4nm. The median lethal dose (rat, vein) was 28.93mg/kg.

Purpose: biochemical research. Redox indicator; Biological stain. It is used to determine deoxyribonucleic acid and ribonucleic acid in histochemistry; Printing and dyeing of wool and silk

Saving: RT