Sodium Metabisulfite Overview
BORTECH, a global manufacturer, producer, supplier, and distributor of high-quality chemicals, offers Sodium Metabisulfite—also known as Sodium Pyrosulfite, SMBS, or Disodium Pyrosulfite. This widely used reducing agent effectively neutralizes oxidizing agents and helps preserve the quality of various products. Our food-grade and technical-grade SMBS solutions ensure consistent purity and reliable performance across multiple industries.

In water treatment, Sodium Metabisulfite dechlorinates water to protect equipment and comply with environmental standards. The food and beverage sector leverages its antioxidant properties to extend shelf life, maintain flavor, and stabilize color. Meanwhile, the textile and paper industries rely on its reducing action to control bleaching steps, ensuring uniform dye uptake and preserving fiber integrity.
Key Properties
- Molecular Formula: Na2S2O5
- Reduces Oxidation: Neutralizes residual chlorine and oxygen-based agents
- Sulfurous Odor: Signature aroma indicating active sulfur compounds

Typical Applications
- Water Dechlorination: Safeguarding systems from chlorine damage
- Food & Beverage Preservation: Ensuring shelf life and flavor retention (E223)
- Textile & Paper Processing: Controlling bleaching steps for stable colors

From industrial to food-grade needs, Sodium Metabisulfite remains a crucial additive across industries, providing superior quality and safety. Its antioxidant capacity helps inhibit oxidation, meeting strict regulatory requirements and preserving product integrity. BORTECH’s expertise ensures seamless supply for all your operational demands.

Technical & Safety Documents
- TDS (Food Grade) – Detailed chemical composition, purity, and mesh size info for E223-quality applications.
- TDS (Technical Grade) – Specifications tailored to industrial requirements, including sulfur dioxide content and contaminant limits.
- SDS – Comprehensive safety data outlining handling precautions, hazard classification, and first aid measures.
Whether you’re looking for a manufacturer, producer, supplier, or distributor you can trust, BORTECH delivers high-grade Sodium Metabisulfite solutions. Harness this multi-purpose reducing agent’s benefits to safeguard product excellence and maintain top-tier standards in diverse applications.