Sodium Metabisulfite SMBS

Sodium Pyrosulfite

Sodium Metabisulfite is a powerful reducing agent often used in water treatment (dechlorination), food preservation (antioxidant), and bleaching. Its sulfurous properties help safeguard product quality, prevent oxidation, and maintain color stability across diverse industries.

Molecular Formula
Na2S2O5

CAS No
7681-57-4

EC No
231-673-0

Synonyms
Sodium Metabisulphite; SMBS; Disodium Disulfite; Sodium Pyrosulphite; Disodium Pyrosulfite

Certifications & Compliance

  • REACH
  • GMP
  • ISO 22000:2018
  • ISO 9001:2015
  • Kosher

For other certifications and compliance please contact us.

 

Packaging & Logistics Details

  • BigBag on pallets
  • 25kg bags on pallets

For more packaging and logistics options please contact us.

 

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.

Pallet with multiple 25 kg bags of sodium metabisulfite
Sodium metabisulfite in 25 kg bags, wrapped and stacked on a wooden pallet

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
Large big bag of sodium metabisulfite technical grade
Technical-grade sodium metabisulfite in a bulk big bag for industrial-scale usage

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
Stacked big bags of sodium metabisulfite in a warehouse
Multiple big bags of sodium metabisulfite stored in a warehouse, ready for distribution

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.

Close-up label of a 25 kg food grade E-223 sodium metabisulfite bag
Label detailing hazard warnings, net weight, and chemical information for a food-grade sodium metabisulfite bag

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.

FAQ

1. Where can I buy Sodium Metabisulfite in bulk from a reliable wholesale supplier?
BORTECH is a trusted wholesale supplier and distributor of Sodium Metabisulfite, offering high-quality products sourced from leading manufacturers and producers. We ensure competitive pricing and efficient global distribution.

2. How can I find a reliable manufacturer or distributor for Sodium Metabisulfite?
BORTECH works with top manufacturers and producers to supply Sodium Metabisulfite in bulk. Our strong industry connections and expertise in distribution make us a preferred supplier for businesses worldwide.

3. What is the best way to source Sodium Metabisulfite from a trusted supplier?
The best way to source Sodium Metabisulfite is through a reliable supplier like BORTECH. With extensive experience in wholesale distribution, we provide high-quality products with secure and timely delivery.

 

Get Quote or Information

We respond to price quotations and inquiries on the same day.

Please specify product, quantity, packaging and delivery address for your price requests.

 

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