Disodium EDTA (ethylenediaminetetraacetic acid, disodium salt) is one of the most widely used chelating agents in commercial food and beverage production. By binding the trace metal ions that catalyze oxidation and discolouration, it protects colour, flavour and clarity in everything from canned vegetables to salad dressings. This guide covers how disodium EDTA works, where formulators deploy it, and what to know before buying bulk food grade disodium EDTA in Canada.
What Is Disodium EDTA?
Disodium EDTA (CAS 6381-92-6, E386) is a white crystalline powder that is freely soluble in water. It is a sequestrant: its molecular structure wraps around di- and trivalent metal ions — iron, copper, calcium, nickel — and holds them in a stable, water-soluble complex. Once chelated, these metals can no longer participate in the reactions that degrade food products. The food grade material offered by LiquidShop is a high-purity powder suitable for food and beverage applications.
Why Formulators Use Disodium EDTA
Oxidation control: trace iron and copper catalyze the oxidation of fats and oils, producing rancid off-flavours. Chelating these metals slows the reaction at its source, which is why EDTA is a classic antioxidant synergist in dressings, mayonnaise and oil-containing sauces.
Colour stability: metal-catalyzed reactions cause darkening and discolouration in canned foods, sauces and processed vegetables. Sequestering the metals keeps colour true over shelf life.
Clarity in beverages: metal ions can form hazes and precipitates in drinks. EDTA keeps them in solution, protecting visual clarity.
Disodium EDTA appears across canned foods (colour retention), dressings and sauces (flavour and colour stabilization), edible oils (antioxidant synergist), beverages (metal ion sequestration and clarity), and dairy and processed meat products (stabilization). It is typically used at low levels — parts per million, not percentages — because only trace metals need to be captured.
Regulatory Status in Canada
Disodium EDTA is a permitted food additive in Canada, but its use is regulated by application: the Food and Drug Regulations specify which food categories may contain it and at what maximum levels. Before formulating, verify the applicable Lists of Permitted Food Additives (sequestering agents and preservatives) for your specific product category and confirm your usage level is within the prescribed maximum. Labelling as a food additive is also required. For non-food uses such as cosmetics or cleaning products, different frameworks apply.
Formulation Notes
Solubility: freely soluble in water; dissolve in the aqueous phase before combining with oils or emulsions.
Dosage: effective at very low levels; dose against the trace metal load of your ingredients and water, and always within the regulated maximum for your category.
Stability: the chelate complexes are stable across typical food pH and thermal processing conditions, which makes EDTA useful in retorted and hot-filled products.
Handling and storage: store in a cool, dry place in sealed containers; the powder is hygroscopic enough to cake if left open in humid environments.
Specifications at a Glance
CAS number: 6381-92-6
E-number: E386
Grade: food grade, high purity
Appearance: white crystalline powder
Solubility: freely soluble in water
Formats: 1 kg, 5 kg, 10 kg, 25 kg
Buying Bulk Disodium EDTA in Canada
LiquidShop supplies food grade disodium EDTA by the kilogram, from 1 kg trial quantities to 25 kg bulk pricing, shipped from Canadian stock with Canadian lead times. A certificate of analysis is available on request for every lot, so your QA team can verify identity and purity before the material enters production. Volume pricing scales with format — 25 kg orders carry the deepest discount for regular production use.
