White powder chemical labeled Sodium Metabisulfite in a 25 kg woven sack with hazard symbols.
Finstar
In Stock

Sodium Metabisulfite (Food Grade)

Sodium Metabisulfite (Food Grade) is a reducing agent and preservative used in food, water treatment, and chemical manufacturing. Supplied in 25kg bags for safe handling and storage.

Technical Specifications

CAS Number7681-57-4
Chemical FormulaNa2S2O5
AppearanceFine white to yellowish powder
Packaging25 kg polypropylene woven bags
StorageStore in cool, dry, ventilated area away from moisture and oxidizers

Sodium Metabisulfite (Food Grade) — Specifications, Uses & Availability

Product Overview

Product NameSodium Metabisulfite (Food Grade)
CategoryWater treatment
AvailabilityIn Stock — Ready for Dispatch

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About Sodium Metabisulfite (Food Grade)

Sodium Metabisulfite (Food Grade) is widely utilized as a food preservative and antioxidant, preventing spoilage and discoloration in processed foods and beverages. It acts by releasing sulfur dioxide when dissolved, which inhibits microbial growth and enzymatic browning. In water treatment, it is used to remove excess chlorine by reducing it to harmless chloride ions, enhancing water safety and quality. This chemical also serves as a key reducing agent in the textile and photographic industries by controlling oxidation processes. It is supplied predominantly in 25kg bags, facilitating standardized procurement and safe storage in cool, dry warehouse conditions. Handling precautions include avoiding inhalation of dust and skin contact, and ensuring adequate ventilation during use. Finstar Chemicals supplies Sodium Metabisulfite to industrial buyers across Kenya and neighboring regions, ensuring technical documentation like Certificates of Analysis accompany each shipment. The chemical's versatility in multiple sectors optimizes supply chain efficiency for manufacturers, wastewater treatment plants, and food processors seeking reliable, consistent quality. When selecting food grade Sodium Metabisulfite, it is critical to confirm the absence of metallic impurities and compliance with food safety standards. Incorrect grades can lead to off-flavors and processing issues. Proper storage under dry and ventilated conditions extends shelf life, particularly in tropical climates where humidity can cause caking or degradation. Finstar's supply chain capability allows flexible order quantities and timely delivery, supporting production continuity in various industries. Buyers are advised to consult material safety data and conduct compatibility tests before large-scale application.

External references: PubChem · Wikipedia

Applications

Food PreservationUsed to prevent oxidation and microbial growth in food and beverage processing, extending shelf life and maintaining product color.
Water TreatmentEmployed to remove residual chlorine in potable water treatment, protecting downstream processes from oxidative damage.
Textile IndustryActs as a reducing agent in dyeing and bleaching operations to control oxidative reactions and improve color fixation.
Photographic IndustryUsed in developing solutions to prevent oxidation of photographic films and papers, ensuring image quality.
Disinfection and SanitizationApplied as a sanitizing agent due to its antimicrobial properties for equipment and surfaces in food production.

Benefits

Effective Preservation MechanismReleases sulfur dioxide in solution, which acts as an antioxidant and antimicrobial agent, extending food and beverage shelf life.
Chlorine Neutralization in WaterReduces chlorine efficiently to chloride ions, preventing corrosion and chemical interference in water treatment systems.
Control of Oxidation ProcessesActs as a reliable reducing agent in textile dyeing, minimizing color degradation and improving product quality.
Consistent Quality SupplyStandardized 25 kg bags allow predictable inventory and ease of handling, reducing storage contamination risks.

Features

Food Grade CertificationCompliance with food additive standards ensures safety for use in consumable products.
25 kg Bag PackagingConvenient packaging size facilitates transport, storage, and controlled dosing during industrial use.
Batch DocumentationCOA and safety data sheets provided with shipments enable quality verification and regulatory compliance.

Industries Served

Food and Beverage ProductionUtilized to maintain product freshness and appearance by inhibiting spoilage and discoloration.
Water Treatment IndustryRemoves unwanted chlorine after disinfection, protecting infrastructure and improving water taste.
Textile and Dye ManufacturingControls chemical reactions during dyeing to enhance color quality and fabric consistency.
Photographic Supplies IndustryPrevents oxidative damage in film and paper development processes for high-quality imaging results.

Sodium Metabisulfite (Food Grade) is supplied by Finstar to industrial buyers across Kenya, Uganda, Tanzania, and Rwanda. Read our chemical safety guides for handling best practices.

Delivery Coverage Across Kenya’s Counties

Finstar is a leading supplier of industrial chemicals across Kenya’s counties. Sodium Metabisulfite (Food Grade) is dispatched from our Nairobi Industrial Area warehouse to businesses nationwide — including Nairobi, Mombasa, Kisumu, and Nakuru counties — plus cross-border delivery to Uganda, Tanzania, and Rwanda. Towns we regularly supply include:

NairobiMombasaKisumuNakuruEldoretThikaRuiruKiambuMachakosNaivashaNyeriMeruKerichoKakamegaKitaleMalindiNanyukiAthi RiverVoiKilifi

Delivering to a different town or county? Request a quote and our logistics team will confirm delivery timelines to your location.

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