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© 2026 Dr. Paul Lohmann GmbH & Co. KGaA
Dr. Paul Lohmann® is a leading manufacturer and supplier of Tricalcium Citrate 4-hydrate (CAS No. 5785-44-4), a high-quality organic Calcium salt widely used in pharmaceutical, nutraceutical, and food applications. Thanks to its high calcium content, excellent bioavailability, low reactivity, and neutral sensory profile, Tricalcium Citrate is a preferred calcium source for fortified products and dietary supplements. It enables reliable formulation and consistent product performance across a wide range of applications.
Synonyms: Calcium Citrate, tertiary
| Formula | Ca3(C6H5O7)2 * 4H2O |
| Molecular weight | 570.5 g/mol |
| CAS No.: | 5785-44-4 |
| EINECS No.: | 212-391-7 |
| HS No.: | 29181500 |
| Product number | Product parameter | Storage conditions | Retest period | Additional information |
|---|---|---|---|
| 502041001 |
| Keep well closed, dry and at room temperature; 36 months | API documentation available (ASMF / DMF) |
| 502041002 |
| Keep well closed, dry and at room temperature; 36 months | |
| 502041006 |
| Keep well closed, dry and at room temperature; 36 months | |
| 502041007 |
| Keep well closed, dry and at room temperature; 36 months | |
| 502041009 |
| Keep well closed, dry and at room temperature; 36 months | |
| 502041019 |
| Keep well closed, dry and at room temperature; 36 months |
++ > 100 g/l | + 10 - 100 g/l | − 1 - 10 g/l | −− < 1 g/l
The solubility specified here was measured in water. The solubility is influenced by many factors in the application.
Tricalcium Citrate 4-hydrate is a white, odorless powder characterized by good flowability and high physicochemical stability. As a citrate-based calcium salt, it offers improved absorption and gastrointestinal tolerance compared to certain inorganic calcium sources.
Its balanced solubility and low hygroscopicity ensure stable handling and processing. These properties support its use in solid dosage forms, dry blends, and functional formulations, where consistent quality and stability are essential.
Selecting Tricalcium Citrate from Dr. Paul Lohmann® provides significant value for product developers, formulators, and procurement teams:
High Bioavailability
Tricalcium Citrate provides a highly bioavailable calcium source and supports effective supplementation, including for individuals with reduced gastric acid levels.
Excellent Tolerability
The citrate structure contributes to improved gastrointestinal tolerance, making it suitable for sensitive consumer groups and long-term supplementation.
Neutral Taste Profile
Its minimal impact on taste and odor makes it ideal for use in functional foods, beverages, and consumer health products.
High Stability and Low Reactivity
The compound demonstrates strong stability and low reactivity, supporting consistent product quality, compatibility with other ingredients, and extended shelf life.
Flexible and Customizable Specifications
Available in defined particle sizes, and quality grades to meet specific formulation, processing, and regulatory requirements.
Dr. Paul Lohmann® ensures full regulatory compliance, transparency, and traceability throughout the entire supply chain. Tricalcium Citrate 4-hydrate is manufactured according to international standards:
Tricalcium Citrate 4-hydrate is widely used in dietary supplements as a reliable and well-absorbed calcium source. It is particularly suitable for tablets, capsules, sachets, and powder blends. Our direct compressible granules offers good compressibility and flow properties support efficient manufacturing processes and consistent tablet hardness. In mineral blends, it provides a stable calcium contribution without negatively affecting taste or stability.
In pharmaceutical formulations, Tricalcium Citrate 4-hydrate serves as an active ingredient for calcium supplementation. It is used in the prevention and treatment of calcium deficiency and contributes to bone health management. Additionally, it may function as a functional excipient in certain formulations, supporting pH balance and formulation stability. Pharmaceutical-grade material meets stringent purity and documentation requirements.
In food production, Tricalcium Citrate 4-hydrate functions as a calcium fortifier and may contribute to acidity regulation. It is particularly suitable for dry blends, baking mixes, and fortified consumer products requiring reliable mineral stability throughout processing and storage.
Tricalcium Citrate 4-hydrate is widely applied in fortified foods and beverages, including dairy alternatives, nutritional drinks, cereals, and powdered mixes. Its neutral sensory properties allow seamless integration into formulations without compromising product taste or appearance. The citrate form ensures stable mineral enrichment across a broad pH range.
Contact our experts to request a technical data sheet, regulatory documentation, a sample, or a customized quotation tailored to your application.
| Product | Product number | |
|---|---|---|
| Tricalcium Citrate 4-hydrate DC 100 | 502041011 | |
The information given on this Website corresponds to our current knowledge. We warrant in the frame of our General Terms and Conditions of Sale that our products are manufactured in accordance with the specifications. However, we disclaim any liability with regard to the suitability of our products for a particular purpose or application or their compatibility with other substances. Tests have to be performed by the customer who also bears the risk in this respect. Nothing herein shall be construed as a recommendation to use our products in conflict with third parties' rights.
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