Magnesium Carbonate (CAS 23389-33-5): Comprehensive User Guide
Table of Contents
1. Product Information & Specifications
Magnesium Carbonate (CAS 23389-33-5) is a white, odorless powder with the chemical formula MgCO3. It is widely used in pharmaceuticals, food, and industrial applications due to its low toxicity and high stability.
Key Specifications
| Parameter | Magnesium Carbonate | Calcium Carbonate | Sodium Carbonate |
|---|---|---|---|
| Molecular Weight | 84.31 g/mol | 100.09 g/mol | 105.99 g/mol |
| Solubility in Water | Insoluble | Poorly soluble | Highly soluble |
| pH (1% Solution) | 9-10 | 8-9 | 11-12 |
2. Detailed Applications
Pharmaceutical Industry
Used as an antacid, excipient, or desiccant in tablet formulations.

Food Additives
Approved as a food-grade anti-caking agent (E504) in powdered products.
Industrial Uses
- Fireproofing materials
- Rubber manufacturing
- Cosmetic formulations
3. Usage Cases & Best Practices
Case 1: Tablet Manufacturing
Problem: Poor flowability of active ingredients.
Solution: Add 2-5% magnesium carbonate as a flow agent.
Result: 30% faster production speed.
Case 2: Fireproof Ceramics
5-10% magnesium carbonate addition increases thermal resistance by 15%.
4. Real Client Case Studies
Client A: PharmaHealth Inc.
Industry: Pharmaceutical Manufacturing
Challenge: Tablet disintegration time exceeded USP limits.
Solution: Optimized magnesium carbonate concentration to 3.2%.
Outcome: Compliance achieved with 20% cost reduction.
Client B: FoodSafe Industries
Industry: Food Processing
Challenge: Caking in spice blends during storage.
Solution: 0.5% magnesium carbonate coating.
Outcome: 12-month shelf life without clumping.
5. Request a Quote
Contact us for technical data sheets, bulk pricing, or customized formulations:
- Email: info@vivalr.com
- Tel: (86) 15866781826
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