Methyl violet / methyl Qinglian / Basic Violet 1 / methyl violet 2B / basic violet 2B

English Name: methyl violet; Dahlia B； Basic violet 1； Pyrokatanium blue； C.I.42535 

Other names: methyl Qinglian; Alkaline Violet 1; Methyl violet 2B; Aniline violet; Alkaline Violet 1; Methyl violet; Base green lotus; Alkaline violet 2B

CAS No.: 8004-87-3

C24H28ClN3=393.95

Grade: BS

Biological staining test: qualified

PH discoloration range: pH 0.13 (yellow) ～ 0.5 (green); PH 1.0 (green) ～ 1.5 (blue); PH 2.0 (blue) ～ 3.2 (purple)

Physicochemical properties: green glossy crystalline powder. It is a mixture of tetramethyl, pentamethyl and hexamethyl derivatives of the sideline red base, in which pentamethyl derivatives are the main ones (molecular formula and molecular weight refer to such derivatives). It is soluble in water and ethanol as a purple solution, soluble in glycerol and chloroform, and almost insoluble in ether. Melting point 137 ℃ (decomposition). The maximum absorption wavelength is 584nm. Toxic, LD50 (mouse, oral) 105mg

Purpose: biochemical research. Photometric determination of zinc, cadmium, mercury, antimony, thallium, gold and precipitated zinc, cadmium and antimony. Acid base indicator, biological stain

Save: RT, protected from light