dye|World dye variety

Name:C.I.Basic Violet 5,C.I.50205

Molecular Structure: azine class

C.I.Basic Violet 5,C.I.50205,CAS 2390-56-9,350.84,C20H19ClN4,Methylene Violet BN

Molecular Formula:C₂₀H₁₉ClN₄

Molecular Weight: 350.84

CAS Registry Number:2390-56-9

Manufacturing Methods : (a) N1,N1-dimethylbenzene-1,4-diamine and a mixture of aniline oxidation, then converted to the chloride; (b) N,N-dimethyl-4-nitrosobenzenamine and N1-phenylbenzene-1,3-diamine heating.

Properties and Applications:  red light purple. Soluble in cold, hot water for product red, easily soluble in ethanol for purple, easily soluble in soluble fiber element. The strong sulfuric acid for green, blue for diluted, to purple. The dye solution to join sodium hydroxide have light brown red precipitate.

List of Suppliers:

Methylene Violet BN( Farbwerke vorm. Meister Lucius &Brtining )