Model Number

Index Number：C.I. Basic Yellow 2(41000)

Index Number：
C.I. Basic Yellow 2(41000)
C.I. Solvent Yellow 34（41000）

English name:
Basic Flavine O；Aizen Auramine（HCC）；Aizen Auramine OH（HCC）；Aizen Auramine Conc. SFA（HCC）；Auramine O（CNC、ICI、NSK、S）；Auramine OO（ACK、CKC）；Calcozine Auramine OO（ACY）；Basazol Yellow 441，44P，44PN（BASF）.

Properties ：
　　Yellow even powder. Dissolve it in the cold water, apt to dissolve bright orange to the hot water, it is yellow to the ethanol to dissolve, when the temperature of the aqueous solution exceeds 70 degrees Centigrade, the dyestuffs are divided into first ketone of four methyl benzene, it is colourless, yellowish after diluting that its aqueous solution is put into the dense sulphuric acid. Orange in the dense nitric acid. Its aqueous solution turns deep yellow to add the hydrochloric acid, it is colourless to heat to boiling; Add NaOH solution and turn into the white to precipitate. It is gaudy and yellow to dye on the silk fibre, relatively red under the light of the tungsten filament.


Use:
　　Can be used in the dyeing of the silk , acrylic fibres , single peaceful cotton fibre of mordant dyeing, bright in colour, but the fastness is bad, and can piece together green or red . Can be used in the leather , paper , rough with the dyeing which glue the glue . Can be used in single peaceful mordant dyeing cotton direct revenue stamp and ground color discharge printing too. The alkaline body can be used in the colouring of the oil , fat , paint. Can also prepare the color lake , is used in printing ink ,etc..