Basic Blue 2
Name:C.I.Basic Blue 2,C.I.42025
Molecular Structure: triarylmethane class
Molecular Formula:C23H24Cl2N2
Molecular Weight: 399.36
CAS Registry Number:3521-06-0
Manufacturing Methods : 2-Chlorobenzaldehyde and N,N-dimethylaniline condensation, and then used lamps and acid oxidation its product.
Properties and Applications: bright blue light green to colourful green light blue. Red powder. Soluble in water, but soluble in ethanol for green blue. The strong sulfuric acid dyes for red and yellow, yellow and green for diluted with yellow-green precipitation. The dye solution for green blue, add sodium hydroxide blue-black after precipitation, and then into the red brown. Acrylic fiber dyed green light blue for Tracy, tungsten light in a green. Used in acrylic, wool, cotton, silk dyeing, can be in two vinegar fiber fabric printing, also can be used for grass products and paper color.
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