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Na2S2O5 CAS 7681-57-4 SKU 4000

Sodium Metabisulfite 99%

High-purity sodium metabisulfite (99%+, E223) imported from China — a preservative, antioxidant and reducing agent for food, textiles, water treatment and cosmetics.

Purity
99%+
Grade
Food (E223) & industrial
Form
Powder
Origin
China
Pack size

·

Ask about this chemical
  • Certified manufacturers
  • Safety data on request
  • Delivery across Pakistan

Sodium Metabisulfite (Na2S2O5) – sodium pyrosulfite – sodium disulfite – Industrial & Food Grade Chemical Supplier.

Premium Sodium Metabisulfite for Multiple Industries – Competitive Prices in Pakistan

Sodium Metabisulfite formula is (Na₂S₂O₅) ,and the CAS no is 7681-57-4. Are you searching for a high-purity, multi-functional chemical that serves manufacturing ranging from food processing to textiles and cosmetics? Sodium Metabisulfite is a powerful addictive, antioxidant, and reducing agent widely used across various sectors. It is also known as sodium metabisulphite or sodium pyrosulphite or sodium disulfite . As a leading chemical supplier, we offer top-quality and at the best price in Pakistan, ensuring cost-efficiency without compromising performance.

Whether you need it for food preservation, cosmetics formulation, textile processing, or water treatment, our delivers unmatched purity and effectiveness. Keep reading to discover its key benefits, features, and diverse industrial applications—along with why our product stands out in the market.


Why Choose Our Sodium Metabisulfite?

✅ 3 Key Benefits of Sodium Metabisulfite

✔ Superior Preservation & Shelf-Life Extension –

  • Used as a food-grade preservative (E223), sodium metabisulfite prevents microbial growth, oxidation, and browning in processed foods, dried fruit, and beverages.
  • Enhances material longevity while maintaining freshness, making it essential for food manufacturers and suppliers.

✔ Multi-industry versatility –

  • From cosmetics (skincare & haircare products) to textile bleaching and water treatment, this chemical serves as a disinfectant, antioxidant, and dechlorinating factor.
  • Its reducing properties make it ideal for gold extraction, photography, and pharmaceuticals.

✔ Cost-Effective & Efficient Chemical Solutions –

  • Compared with other preservatives and reduction catalysts, sodium metabisulphite offers high efficiency at a competitive sodium metabisulfite price, making it a budget-friendly choice for bulk industrial use.

🔬 3 Key Features of Our Sodium Metabisulfite

✔ 99%+ High Purity Grade –

  • Our products undergo strict quality control to ensure lower heavy metal content and maximum effectiveness in food, cosmetic, and industrial applications.

✔ Stable & Easy to Store –

  • Properly packaged to prevent degradation, our product remains stable under recommended storage conditions, ensuring long-term usability.

✔ Fast-Dissolving & Highly Reactive –

  • Designed for quick dissolution in water, it efficiently performs in bleaching, dechlorination, and chemical reactions without leaving harmful residues.
    Learn more about [ sodium metabisulfite ]

Detailed Applications of Sodium Metabisulfite

1️⃣ Sodium Metabisulfite in the Food Industry (E223 Preservative)

  • Prevents browning & spoilage in dried fruits, vegetables, and seafood.
  • Used in winemaking to inhibit unwanted fermentation and preserve flavor.
  • Extend shelf life for fruit juices, canned goods, and processed snacks.

2️⃣ Sodium Metabisulfite in Cosmetics & Personal Care

  • Acts as an antioxidant in creams, lotions, and hair products to prevent oxidation.
  • Helps stabilize formulations in skincare and haircare products.
  • Used in small concentrations for safe, effective preservation.

3️⃣ Sodium Metabisulfite in the Textile Field

  • Serves as a bleaching and dechlorinating agent for fabric processing.
  • Hydrogen Peroxide: Quenches residual H₂O₂ after fabric bleaching to prevent fiber damage.
  • Removes excess chlorine after textile dyeing and printing.
  • Enhances colorfastness and fabric quality.

4️⃣ Water Treatment & Chemical Manufacturing

  • Neutralizes chlorine in wastewater for safer disposal.
  • Used in gold mining as a reducing agent for metal extraction.
  • Essential in photo grade(developing fix) and pharmaceutical synthesis.

5️⃣ Sodium Metabisulfite Uses with Other Chemicals

  • Reacts with chlorine-based disinfectants for safe water use.
  • Works alongside hydrosulfites in textile bleaching.
  • Combines with acids for pH adjustment in industrial processes.

    Why Choose Al Aqsa Chemicals for Your Sodium Metabisulfite Needs?

    ✅ Direct China Imports at Best Market Prices – As leading importers, we bring container loads of premium-grade from China, offering you the most competitive sodium metabisulfite price in Pakistan without compromising quality.
    ✅ Dual-Grade Supply Solutions – We stock both food-grade (E223) and industrial-grade variants to meet all your application needs, whether for food processing, cosmetics, textiles or water management.
    ✅ Bulk Supply Capability – With our strong import pipeline from China, we maintain consistent stock availability for both large factory requirements and local market demands.
    ✅ End-to-End Chemical Solutions – Beyond just supply, our team provides:
    • Technical guidance for optimal usage
    • Custom packaging options
    • Reliable logistics and fast delivery across Pakistan
    • Consistent quality assurance

    As your trusted chemical partner, Al Aqsa Chemicals bridges the gap between international manufacturers and Pakistani industries, ensuring you get:

    • Higher purity products
    • Better pricing through direct imports
    • More reliable supply chains
    • Expert local support
    • “All our Sodium Metabisulfite is rigorously tested in certified laboratories and comes with complete safety documentation, including Material Safety Data Sheets (MSDS), ensuring compliance with international standards for handling, storage, and industrial use.”

    We understand the specific needs of Pakistani manufacturers and tailor our services accordingly. Whether you’re a large factory requiring container quantities or a local distributor needing regular supply, we have the infrastructure and expertise to serve you efficiently.

Chemical formula
Na2S2O5
CAS number
7681-57-4
Purity
99%+
Grade
Food (E223) & industrial
Physical form
Powder
Origin
China
Chemical formula
Na₂S₂O₅
CAS number
7681-57-4
Purity
99%+
Food additive number
E223
Also known as
Sodium pyrosulfite, sodium disulfite
  • Food preservation (E223): dried fruit, wine and processed foods
  • Textile bleaching, dechlorination and dye fixation
  • Water treatment: neutralising chlorine in wastewater
  • Cosmetics and pharmaceuticals: stabiliser and antioxidant
  • Photography and gold extraction
  • Corrosive

    Corrosive GHS05

    Causes severe skin burns and eye damage; corrodes metals.

  • Harmful / irritant

    Harmful / irritant GHS07

    May irritate skin, eyes or airways, or be harmful if swallowed.

Pictograms follow the chemical's usual GHS classification. Always read the supplier's safety data sheet before handling.

Need the safety data sheet?

FAQ

Common questions

Our store is at Shop #6, Rafiq Chamber, Virjee Street, Jodia Bazar, Karachi. Visit us, or reach us by phone or WhatsApp at +92 313 2810440.

We supply chemicals to the textile, food, agriculture, soap and detergent, and glass industries, as well as laboratories and local markets across Pakistan.

We import directly from certified manufacturers, mostly in China, as well as Korea and Bangladesh, and keep stock in Karachi for fast delivery.

Packs that show a price can be added to your cart and ordered online — we then call or WhatsApp you to confirm stock, delivery and payment. For packs marked "Price on request", or for bulk and custom quantities, use Request a quote and we'll reply with a price.

Yes. We deliver across Pakistan, including Lahore, Islamabad, Faisalabad, Multan, Sialkot and Peshawar. The delivery fee depends on your city and is shown at checkout.

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