Solvent Yellow 21 CAS 5601-29-6
Introduction
Solvent Yellow 21 is an organic solvent with the chemical name of 4-(4-methylphenyl)benzo[d]azine.
Quality:
- Appearance: Natural yellow crystal, soluble in organic solvents such as ethanol and ether solvents, slightly soluble in water.
- Stability: Relatively stable, not easy to decompose at room temperature, but will fade by light and oxidant.
Use:
- Solvent Yellow 21 can be used in a wide range of dye industry and chemical analysis.
- In the dye industry, it is commonly used to dye textiles, leather, and plastics, and can be used as a colorant for coatings, inks, and pigments.
- Solvent Yellow 21 can be used as an indicator and a chromogen in chemical analysis, e.g. as an acid-base indicator in acid-base titration.
Method:
Solvent yellow 21 is generally obtained by the reaction of benzo[d]zazine with p-toluidine. The specific reaction steps and conditions can be adjusted according to the actual needs and processes.
Safety Information:
When using solvent yellow 21, the following precautions should be taken:
- Avoid direct contact with skin and eyes to prevent irritation and allergic reactions.
- Ensure a well-ventilated working environment to prevent solvent yellow 21 vapor inhalation.
- When storing, please keep it tightly sealed and away from high temperature and fire.
- Follow process specifications and safe operating procedures when using and handling.