Magnesium Carbonate (E504)
Allzone Trading supplies magnesium carbonate (e504) to manufacturers, formulators and industrial buyers in Toronto, the GTA, Ontario, Quebec and across Canada. Magnesium carbonate is used as an anti-caking and free-flow additive, and as a mild alkaline carrier in powder blends. Grade, physical form and documentation are confirmed against supplier technical data sheets at quotation.
At a glance
- Product
- Magnesium Carbonate (E504)
- Grades
- Grade confirmed at quotation
- Typical applications
- Free-flow of powdered food ingredients · Seasoning, spice and premix blends · Powdered beverage and dairy blends
- Packaging
- Packaging confirmed at quotation against the supplier specification

- • Certificate of Analysis is provided against the confirmed shipment, grade and batch.
- • Manufacturer TDS and SDS are subject to grade and supplier confirmation and are available on request.
- • Grades, packaging and origin above are indicative sourcing options and are confirmed at quotation.
Available grades from container-direct sourcing
Grade confirmed at quotation
Grade, physical form and specification are quoted and confirmed against the supplier technical data sheet before any order is placed.
Typical applications
- Free-flow of powdered food ingredients
- Seasoning, spice and premix blends
- Powdered beverage and dairy blends
- Salt and sugar flow control
- Tabletting and powder handling aids
Why Canadian buyers choose us
- Food, feed, agricultural and industrial grades quoted as separate specifications
- Grade, physical form and documentation confirmed in writing before order confirmation
- Supplier technical data sheet and safety data sheet provided for the quoted grade
- Freight arranged across Ontario, Quebec and Western Canada
- Quantities reviewed per enquiry, from smaller lots to container loads
Typical industries served
Material identity
Magnesium carbonate — identifiers and the names buyers use
- CAS
- 546-93-0
- EC / EINECS
- 208-915-9
- Food additive number
- E504 / INS 504
- Chemical formula
- MgCO3
Also searched as
Abbreviations
Industry terminology
Identifiers are published for material identification. The exact specification of any offered grade is confirmed against supplier documentation at quotation.
Buyer intent coverage
Magnesium carbonate — what it is, where it is used, how it is chosen
Magnesium carbonate works in three roles at once — it keeps powders flowing, neutralises acidity and supplies dietary magnesium — which is why it appears both in seasoning blends and in supplement formulations. Light and heavy grades differ dramatically in bulk density, and choosing the wrong one is the most common cause of a blend that will not fill consistently. Greater Toronto Area supplement manufacturers and Ontario food processors are its main Canadian users.
Primary uses
- Preventing caking and improving flow in dry blends
- Neutralising acidity in food and supplement systems
- Supplying magnesium in fortified products
- Absorbing moisture in hygroscopic powders
Applications
- Seasoning, cocoa and dairy powder blends
- Mineral supplements and antacid formats
- Table salt and baking systems
- Pharmaceutical excipient use
- Rubber, ceramic and technical processing
Advantages
- Provides flow control and nutritional magnesium in one addition
- Neutralises acidity without a strong flavour contribution
- Available across a wide bulk-density range for different fill systems
- Recognised for food and supplement use when the correct grade is specified
Limitations to consider
- Light and heavy grades are not interchangeable by volume
- Reacts with acids, releasing carbon dioxide
- Can raise pH beyond target in lightly buffered systems
- Dusty in light grades and requires dust control
How to choose the right grade
- State light or heavy grade and the bulk density your filling system needs
- Confirm whether magnesium content is a nutritional claim or incidental
- Check acid compatibility with other ingredients
- Match compendial reference where supplement or pharmaceutical use applies
Typical grades
- Light food grade
- Heavy food grade
- Compendial-referenced grade
- Technical grade
Comparable materials — how Magnesium carbonate sits against alternatives
- Calcium carbonate — cheaper alkalinity without magnesium
- Tricalcium phosphate — flow aid with calcium fortification
- Silicon dioxide — flow control at far lower dose
- Magnesium oxide — higher magnesium density, stronger alkalinity
Comparable-material reference. Grade selection is confirmed at RFQ against your process.
Procurement coverage
How to specify, order and receive Magnesium carbonate
Written for procurement, quality and technical buyers in Canada and the United States. No numeric price, MOQ, stock or lead-time value is published — those are confirmed per shipment in the quotation and against the confirmed batch.
How buyers specify at RFQ
- Light or heavy grade and bulk density
- Assay and magnesium content
- Heavy metals and loss on ignition limits
- Particle size distribution
- Grade family and documentation required
Packaging options (industry-standard)
- Multi-wall paper or PP bag — the standard dry-ingredient format
- Jumbo / FIBC bulk bag for high-volume users
- Fibre drum or carton for oxygen- or moisture-sensitive grades
- Packaging options and available pack sizes are confirmed with each quotation.
Storage & handling
- Store sealed, dry, off the floor and away from strong odours
- Keep food, feed and technical grades physically segregated
- Rotate stock and re-close partial bags immediately after use
Documentation available
- Technical data sheet (TDS) for the exact grade offered
- Safety data sheet (SDS) in the format required for Canadian import
- Certificate of analysis (COA) against the confirmed production batch
- Allergen, non-GMO, Halal and Kosher statements where the grade supports them
- Documentation is confirmed per batch at quotation; availability depends on the grade and supplier offered.
RFQ checklist for magnesium-carbonate-anti-caking-canada
Include these fields to receive an accurate Canada-landed quotation
- Grade family and the end use it must be legal for (food, feed, technical)
- The specification parameters you actually control against, with test method
- Annual volume and expected per-shipment quantity
- Packaging format your plant can receive and handle
- Documentation and regulatory statements required per shipment
- Delivery province or port of discharge
- The carrier the agent must protect and its moisture and fat content
- Maximum addition rate permitted in the finished product
- Light or heavy grade
- Whether magnesium content supports a label claim
Technical & procurement detail
Where magnesium carbonate (e504) is used+
Magnesium carbonate is used as an anti-caking and free-flow additive, and as a mild alkaline carrier in powder blends. Allzone reviews the intended formulation or process with the supplier before quoting so the correct grade is offered.
Food, feed, agricultural and industrial grades are not interchangeable+
Food grade, feed grade, agricultural grade and industrial grade materials are supplied and quoted as separate specifications. A product supplied for one segment is not presented as suitable for another. State the intended segment and application in your enquiry so the correct grade and documentation are reviewed with the supplier.
How specifications are confirmed+
Allzone does not publish assumed purity, active content, particle size, moisture, origin, certification, regulatory approval, packaging or price values. Grade, specification and documentation are confirmed in writing against supplier technical data sheets and safety data sheets before an order is placed.
Frequently asked questions
What grade of magnesium carbonate (e504) do you supply?+
The grade and specification are confirmed at quotation against the supplier technical data sheet. No purity, specification or certification value is published in advance.
Can I request a technical data sheet and a safety data sheet?+
Yes. Both the supplier technical data sheet and the safety data sheet for the quoted grade are provided on request and should be reviewed before purchase and use.
Do you deliver magnesium carbonate (e504) across Ontario and Quebec?+
Yes. Freight is arranged across Toronto, the GTA, Ontario, Quebec and Western Canada, and the delivery method is confirmed with the quotation.
What quantities can you supply?+
Quantities are reviewed per enquiry, from smaller lots to container loads.
Technical knowledge for Magnesium Carbonate (E504) Supplier — Ontario & Canada
Engineering and purchasing guidance written for this material — understand it, apply it, compare options, specify a grade, and fix production problems.
Foundation Articles
Related products
Materials commonly quoted alongside Magnesium Carbonate (E504) by the same plants.
Silicon Dioxide (E551)
Anti-caking and free-flow agent — free-flow of powdered food ingredients

Calcium Silicate (E552)
Anti-caking and free-flow agent — free-flow of powdered food ingredients

Tricalcium Phosphate (E341iii)
Anti-caking agent and phosphate source — free-flow of powdered food ingredients

Sodium Aluminosilicate (E554)
Anti-caking and free-flow agent — free-flow of powdered food ingredients
Need a quote on Magnesium Carbonate (E504)?
Request pricing, TDS/SDS and available documentation. We usually acknowledge enquiries within one business day; samples are subject to supplier availability and product classification.
