C.I. Reactive Blue 221 - Names and Identifiers
C.I. Reactive Blue 221 - Introduction
Reactive blue 221(Reactive blue 221) is a synthetic organic dye, which belongs to a kind of reactive dye. It is mainly present in the form of sulfates, alkali metal salts or heavy metal salts.
Reactive blue 221 has the following properties:
1. Blue crystalline powder, soluble in water and alcohol solvents.
2. has good hydrophilicity and pro-fiber, can be covalently bonded with cellulose and other fiber materials.
3. Under alkaline conditions, it can react with cellulose to form a stable chemical bond.
4. has good light resistance, oxidation resistance and washing resistance.
the main use of reactive blue 221:
1. As a dye for fiber materials such as cotton and hemp, it can achieve dyeing uniformity and color fastness.
2. for textile, leather, paper and other industrial dyeing process.
3. In biotechnology, reactive blue 221 can be used as a cell stain to study the morphology and structure of cells.
The preparation of reactive blue 221 is mainly obtained by chemical synthesis methods, usually involving the reaction of imine or sulfonamide groups.
Safety information about Reactive Blue 221, such as the following when using and handling:
1. contact reactive blue 221, avoid direct skin contact and inhalation of its dust.
2. Wear protective gloves and glasses when using, and ensure adequate ventilation.
3. avoid contact with strong acid or alkali and other chemical substances, so as not to cause unsafe reaction.
4. try to store in a cool, dry place, avoid direct sunlight.
When handling this chemical, it is recommended to refer to the relevant safety data sheets and instructions for use, and follow the safe operating procedures of the laboratory and workplace.
Last Update：2024-04-09 19:05:53