Dicalcium Phosphate (DCP) — CaHPO₄ / CaHPO₄·2H₂O — is a high-purity calcium phosphate compound offered by Ceramat Private Limited.
It is a white crystalline solid, odorless and tasteless, stable in air, and slightly soluble in water but soluble in dilute acids. DCP is widely used as a pharmaceutical excipient, nutritional supplement, and feed additive due to its excellent stability and bioavailability of calcium and phosphate.
Synonyms
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Calcium Hydrogen Phosphate
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Dibasic Calcium Phosphate
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DCP (Anhydrous / Dihydrate)
Available Grades
| Grade | Chemical Formula | CAS No. | Molecular Weight |
|---|---|---|---|
| Anhydrous | CaHPO₄ | 7757-93-9 | 136.1 |
| Dihydrate | CaHPO₄·2H₂O | 7789-77-7 | 172.1 |
Applications
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Excipient and filler–binder in pharmaceutical tablets and capsules
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Calcium and phosphate source in food and feed products
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Nutrient fortification in dietary supplements
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Ingredient in dental care and oral hygiene formulations
Features
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White crystalline granular solid
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Insoluble in water and ethanol, soluble in dilute acids
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Excellent stability and flowability
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Chemically inert and non-toxic
Technical Specifications
| Parameter | Unit | Specification |
|---|---|---|
| Description | — | White, odorless, tasteless granular solid |
| Solubility | — | Practically insoluble in water; soluble in 3N HCl and 2N HNO₃ |
| Identification (A & B) | — | Gives characteristic precipitates confirming phosphate and calcium ions |
| Carbonate | — | Should not effervesce with hydrochloric acid |
| Chlorides | % | NMT 0.25 |
| Fluorides | % | NMT 0.005 |
| Sulphates | % | NMT 0.5 |
| Arsenic | ppm | NMT 3 |
| Barium | — | Should show no turbidity in barium test |
| Iron | ppm | NMT 400 |
| Heavy Metals (as Pb) | ppm | NMT 30 |
| Loss on Ignition (800–825 °C) | % | NLT 6.6 and NMT 8.5 |
| Assay (as CaHPO₄·2H₂O) | % | 98.0 – 103.0 |
| Acid-Insoluble Substances | % | NMT 0.2 |
Physical Properties
| Test | Unit | Specification |
|---|---|---|
| Bulk Density (Tapped) | g/ml | NLT 0.80 |
| Retained on #40 Mesh (420 µm) | % | NMT 1.0 |
| Retained on #200 Mesh (75 µm) | % | NLT 85.0 |
Storage & Handling
| Parameter | Details |
|---|---|
| Storage Conditions | Store in a cool, dry place, away from moisture and contamination. |
| Stability | Stable in sealed containers under normal conditions. |
| Shelf Life | 24 months under recommended storage. |
Packaging
| Type | Specification |
|---|---|
| Standard | 25 kg HDPE bags with inner liner |
| Optional | Custom packaging available upon request |
Regulatory & Quality Compliance
| Standard | Compliance |
|---|---|
| BP / USP / FCC | Conforms to relevant pharmacopeial standards |
| GMP / ISO | Manufactured under controlled, hygienic conditions |
| Application Suitability | Food, feed, nutraceutical, and pharmaceutical formulations |
Ceramat Private Limited supplies Dicalcium Phosphate (Anhydrous and Dihydrate) that meets international pharmacopeial standards.
Its high purity, stable composition, and excellent flow properties make it ideal for applications across pharmaceutical, food, feed, and oral care industries.
