Sudan 3 powder Red 500gm
Original price was: $2,500.00.$2,300.00Current price is: $2,300.00.
odium metabisulphite (Na₂S₂O₅) is a white crystalline or powdery chemical compound with a strong sulfur dioxide odor. It’s commonly used as a disinfectant, antioxidant, and preservative agent. In food and beverage industries, it acts as a preservative to prevent oxidation and spoilage, especially in wines and dried fruits. In water treatment, it serves to remove excess chlorine. In the textile industry, it’s used for bleaching and in the photographic industry, it serves as a developing agent. Additionally, it’s utilized in some pharmaceuticals and cosmetics. Handling this compound requires caution due to its potential to cause allergic reactions and respiratory issues.
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.
- Stabilizing Agent:
Sodium metabisulphite can stabilize solutions that are prone to oxidation, helping maintain their integrity during storage and analysis.
- pH Adjustment:
It can be used to adjust the pH of solutions, particularly in maintaining acidic conditions needed for certain reactions and processes.
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Properties
- Color: Red to purplish-red.
- Solubility: Soluble in water and ethanol.
- Staining Characteristics: Stains chromatin and cytoplasmic components, providing contrast for better visualization under a microscope.
Preparation
- Ingredients:
- Carmine dye: A natural red dye extracted from the cochineal insect.
- Acetic acid: A colorless liquid organic compound with a pungent smell.
- Procedure:
- Dissolve a specific amount of carmine powder in hot distilled water.
- Add glacial acetic acid to the solution.
- Filter the mixture to remove any undissolved particles.
Aluminum Carbonate 250g
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Physical Properties:
- Appearance: Colorless, transparent crystals or white powder.
- Solubility: Soluble in water but insoluble in alcohol.
- Melting Point: Decomposes at high temperatures before melting.
Chemical Properties:
- Molecular Formula: KAl(SO₄)₂·12H₂O
- Molecular Weight: 474.39 g/mol (for the dodecahydrate form)
- Acidity: It is slightly acidic in aqueous solution.
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