Sodium Metabisulfite — Food Grade

Name: Sodium Metabisulfite - Food Grade
Brand: Alliance Chemical
SKU: R7V-4DG-0MB
Availability: InStock

Quick Answer

What is Sodium Metabisulfite - Food Grade used for, and what should buyers verify before ordering?

Sodium Metabisulfite - Food Grade is supplied at 98-100% in Food Grade with UN 1759, DOT Class 8 . Buyers should confirm pack size, grade, SDS, COA needs, and freight requirements before purchase.

Assay: 98-100%
Grade: Food Grade
UN number: UN 1759
DOT class: 8
Documents: SDS and lot-specific COA support
Shipping: UPS for small packs; LTL/FTL for pails, drums, totes, and bulk orders

Commercial Fulfillment Snapshot

Buy Sodium Metabisulfite - Food Grade with faster decisions and fewer back-and-forth emails.

Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship within 1-2 business days. Order online 24/7.

Email Bulk Quote Call (512) 365-6838

Technical Documents

SDS EN SDS FR SDS ES SDS JA TDS COA

Lot-specific COA is issued per shipment batch.

Who Buys This

Food Processing
Beverage Production
Environmental
Photography
Chemical Manufacturing

Purity / Grade Guide

Food Grade for commercial purchasing
98-100% concentration / assay target
Lot-specific COA available with shipment; TDS published

Pack Sizes

2 lbs.
5 Lbs.
50 Lbs.

SDS / COA / TDS

SDS available for immediate download
TDS available for specification review
COA available by shipment batch
UN 1759· Class 8 · PG III

Small Packs: UPS Ground nationwide for pints, quarts, and gallons.

LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.

Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.

Description
Product Documents
Chemical Profile

Why Sodium Metabisulfite - Food Grade

Sodium Metabisulfite - Food Grade delivers precise adherence to Food Chemicals Codex (FCC) specifications, providing essential verification for manufacturers subjected to rigorous regulatory inspections. Commercial buyers select this formulation when their process dictates a proven antioxidant, chemical preservative, or color-retention agent that complies strictly with the minimal heavy metal and impurity thresholds mandated for human consumption. When comparing this food-grade material to standard technical alternatives, the fundamental molecular structure and active sulfur dioxide yield remain completely identical. However, the manufacturing controls, lot-specific analytical testing, impurity limits, and strict traceability profiles change dramatically. This targeted analytical testing satisfies health regulatory agencies and stringent internal quality control mandates. Relying on this strictly controlled grade guarantees that final manufactured goods fulfill the exact compliance requirements enforced by external safety auditors, ensuring absolute conformity across the production chain.

Commonly applied in industrial seafood processing operations to prevent melanosis—the enzymatic browning known as black spot—in freshly harvested shrimp and crustaceans, effectively extending product viability while strictly maintaining regulatory parameters for direct human consumption.

Commonly applied in commercial bakery operations, dried fruit production, and large-scale potato processing as a targeted bleaching agent and chemical preservative to arrest enzymatic browning, ensuring consistent visual aesthetics and flavor stability throughout prolonged supply chain storage.

Commonly applied in the fabrication of specialized food packaging materials where trace amounts of the chemical inevitably contact consumable goods, establishing the absolute necessity for adherence to FCC purity benchmarks and low heavy metal concentrations.

Commonly applied in large-scale drinking water desalination infrastructure, specifically preceding reverse osmosis systems, to effectively neutralize residual chlorine and chloramine compounds before they degrade sensitive filtration membranes, a process where municipal potable water standards demand strictly controlled inputs.

Commonly applied in the commercial formulation of dry pet diets and specialized agricultural feed to prevent the degradation of essential vitamins and lipids, necessitating the exact purity verification protocols required for human dietary products.

Property	Value
Molecular Weight	190.10
Formula	Na2O5S2
Assay	98-100%
Grade	Food Grade
Form	Solid
Solubility	Soluble in water
Appearance	White to yellowish crystalline powder
Specific Gravity	1.48
Industry	Food Processing, Beverage Production, Environmental, Photography, Chemical Manufacturing

Frequently Asked Questions About Sodium Metabisulfite - Food Grade

What is Sodium Metabisulfite - Food Grade and what is its chemical formula?

Sodium Metabisulfite - Food Grade is a chemical compound with the molecular formula Na2O5S2, registered under CAS Number 7681-57-4 by the Chemical Abstracts Service (PubChem), with a molecular weight of 190.11 g/mol. Alliance Chemical supplies Sodium Metabisulfite - Food Grade in Food Grade grade for laboratory, industrial, and commercial applications.

What grade and purity of Sodium Metabisulfite - Food Grade does Alliance Chemical offer?

Alliance Chemical offers Sodium Metabisulfite - Food Grade in Food Grade grade. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.

What are common industrial applications of Sodium Metabisulfite - Food Grade?

Sodium Metabisulfite - Food Grade has applications in laboratory research, manufacturing, and industrial processing.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.

What PPE is required when handling Sodium Metabisulfite - Food Grade?

OSHA-mandated PPE per 29 CFR 1910.132-138:Chemical-resistant gloves (nitrile/neoprene), safety goggles, lab coat, closed-toe chemical-resistant footwear. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.

What are the storage requirements for Sodium Metabisulfite - Food Grade?

Store perOSHA standards: Cool, dry, ventilated area. Temperature range:15-25°C. Segregate from:incompatible materials per SDS Section 10. Maximum storage:2-3 years unopened.

What is the emergency spill procedure for Sodium Metabisulfite - Food Grade?

Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 50 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Absorb with vermiculite or commercial spill kits. (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.

How must Sodium Metabisulfite - Food Grade waste be disposed?

Disposal per RCRA (40 CFR 261-265):Evaluate per 40 CFR 261. Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.

Does Alliance Chemical provide an SDS and COA for Sodium Metabisulfite - Food Grade?

Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Sodium Metabisulfite - Food Grade. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.

Sodium Metabisulfite - Food Grade

Other Grades & Concentrations

Other Grades & Concentrations

What is Sodium Metabisulfite - Food Grade used for, and what should buyers verify before ordering?

Buy Sodium Metabisulfite - Food Grade with faster decisions and fewer back-and-forth emails.

Why Sodium Metabisulfite - Food Grade