Product name:CI 42755
CAS:28631-66-5
Molecular Formula:C32H25N3Na2O9S3
Formula Weight:737.73
Specification:25g
Appearance:dark purple powder.
Use:It is aniline dye and coal-tar dyes.
Solubility:Soluble in water
Description:CI 42755 has many kinds and is widely used. Its disadvantage is that it is easy to fade by sunlight, aniline blue, bright green, methyl green and other easy to fade. In the production pay attention to grasp the ph, and avoid direct sunlight, but also can not fade for several years.
CI 42755 is a kind of mixed acid dye. This dye is generally insoluble in water and alcohol (1.5%). In plant preparation, it can be used with saffron as tissue staining. It can also stain algae. Because the composition of this dye is very inconsistent, the dyeing effect is not easy to grasp.