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© 2026 Dr. Paul Lohmann GmbH & Co. KGaA
Dr. Paul Lohmann® is a globally recognized manufacturer and supplier of Calcium Hydrogen Phosphate, anhydrous (CAS No. 7757-93-9), a high-purity inorganic Calcium Salt used in pharmaceutical, nutraceutical and food applications. Thanks to its high Calcium content, and outstanding stability, it is a preferred choice for mineral fortification and solid dosage formulations.
Synonyms: Dicalcium Phosphate; Calcium Phosphate, secondary
| Formula | CaHPO4 |
| Molecular weight | 136.1 g/mol |
| CAS No.: | 7757-93-9 |
| EINECS No.: | 231-826-1 |
| HS No.: | 28352500 |
| Product number | Product parameter | Storage conditions | Retest period | Additional information |
|---|---|---|---|
| 512067002 |
| Keep well closed, dry and at room temperature.; 36 months | API documentation available (ASMF / DMF) |
| 512067020 |
| Keep well closed, dry and at room temperature.; 36 months | |
| 512067003 |
| Keep well closed, dry and at room temperature.; 36 months | |
| 512067001 |
| Keep well closed, dry and at room temperature.; 36 months | API documentation available (ASMF / DMF) |
++ > 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.
Calcium Hydrogen Phosphate, anhydrous is a white, odorless, crystalline powder characterized by low solubility in water and excellent physicochemical stability. Its defined particle morphology and reliable compaction behavior ensure consistent processing performance across a wide range of applications.
This multifunctional ingredient can be used both as a nutritional Calcium source and as a functional excipient in food and pharmaceutical formulations.
Choosing Calcium Hydrogen Phosphate from Dr. Paul Lohmann® provides formulation and procurement teams with key advantages:
Provides a concentrated, stable Calcium source for nutritional fortification.
High thermal and chemical stability supports long shelf life and product integrity.
Minimal impact on taste, odor, and color, making it suitable for sensitive formulations.
Available in customized particle sizes, and grades to meet specific formulation and regulatory needs.
Dr. Paul Lohmann® ensures full regulatory compliance, transparency, and traceability. Calcium Hydrogen Phosphate, anhydrous is produced according to:
Widely used as a stable Calcium source in tablets, capsules, sachets, and powder blends. Its excellent compressibility supports direct tableting and ensures uniform dosage and formulation stability. Grade with low Aluminum content is available.
Functions both as an active Calcium ingredient and as a commonly used excipient. It is frequently applied as filler or binder in solid oral dosage forms.
Used in fortified products such as dairy products, plant-based dairy products, cereals and powdered nutrition. It enables reliable Calcium enrichment while maintaining stability and neutral sensory characteristics. Low Aluminum grade is available.
Acts as a mineral fortifier and technological additive. Supports Calcium enrichment and stable processing. Depending on formulation, it may also contribute to acidity control.
Contact our experts to request a technical data sheet, regulatory documentation, a sample, or a customized quotation tailored to your specific application requirements.
The CAS number is 7757-93-9.
It is used in dietary supplements, pharmaceutical formulations, fortified foods, and as a functional excipient in solid dosage forms.
It offers high stability, excellent compressibility, neutral sensory properties, and reliable performance in direct compression processes.
Yes. Pharma-grade and food-grade qualities are available with comprehensive documentation.
It is commonly used in tablets, capsules, powder blends, sachets, and fortified food formulations.
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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