Uses of Sudan 3 powder Red 

Reducing Agent:

It is used as a reducing agent in chemical analysis and synthesis, particularly in redox titrations and the reduction of certain metals and dyes.

Preservative:

Sodium metabisulphite helps preserve solutions and biological samples by preventing oxidation and microbial growth.

Antioxidant:

It serves as an antioxidant to protect solutions from oxidation, which can be crucial in maintaining the stability of sensitive compounds.

Dechlorination:

It is used to neutralize chlorine in water samples before analysis, ensuring accurate measurements by removing chlorine’s potential interference.

Photographic Industry:

In the development of photographic films, sodium metabisulphite is used as a component of certain developer solutions.

Cleaning Agent:

It helps clean laboratory equipment, particularly glassware, by breaking down and removing organic residues and stains.

1. Stabilizing Agent:

Sodium metabisulphite can stabilize solutions that are prone to oxidation, helping maintain their integrity during storage and analysis.

1. pH Adjustment:

It can be used to adjust the pH of solutions, particularly in maintaining acidic conditions needed for certain reactions and processes.