Potassium Metabisulphite: Your Essential Preservative & Antioxidant
Potassium Metabisulphite (K₂S₂O₅), also known as E224, is a highly effective and versatile chemical compound crucial for extending the shelf life and maintaining the quality of various products. Available as a white or slightly yellow crystalline powder, it boasts excellent solubility in water, making it an ideal choice for diverse applications. Its unique properties stem from its ability to release sulfur dioxide (SO₂) when dissolved, acting as a powerful antimicrobial and antioxidant agent.
Key Features & Specifications:
- Chemical Name: Potassium Metabisulphite
- CAS Number: 16731-55-8
- Molecular Formula: K₂S₂O₅
- E Number: E224 (Approved Food Preservative)
- Appearance: White or slightly yellow crystalline powder
- Solubility: Soluble in water, Insoluble in alcohol
- Purity/Grade: Food Grade (minimum 96% purity, meets FCC/E224 standards)
Unlocking the Benefits:
- Superior Preservation: Effectively inhibits the growth of unwanted bacteria, molds, and yeasts, safeguarding your products from spoilage.
- Powerful Antioxidant Action: Protects against oxidation, preserving color, flavor, and nutritional value in food and beverages.
- Versatile Applications: Indispensable in winemaking, brewing, food processing, and water treatment for a wide range of uses.
- Enhanced Product Shelf Life: Significantly extends the freshness and usability of your goods, reducing waste and increasing profitability.
- Easy Integration: Its high water solubility ensures easy and even distribution in liquid solutions.
Primary Applications:
Addressing Common User Questions:
- Is Potassium Metabisulphite safe for food? Yes, as E224, it is an approved food additive when used within regulated limits.
- How do you use Potassium Metabisulphite in winemaking? It’s typically dissolved in water and added at specific stages to sanitize and protect the wine.
- What’s the difference between sodium and potassium metabisulphite? Both are sulfiting agents. Potassium metabisulphite is often preferred in winemaking due to its lower sodium content.
- What is the purity of your Potassium Metabisulphite? Our product is Food Grade, ensuring high purity suitable for sensitive applications.
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