Product Description
Calcium D-Pantothenate, also known as D-Calcium Pantothenate, is the calcium salt of D-pantothenic acid, a member of the B-vitamin family. It is used as a vitamin B5 source in nutritional formulations and as an ingredient in selected pharmaceutical, food-fortification, and animal-nutrition applications, subject to the applicable grade and local regulations.
The material is commonly supplied as a white to off-white crystalline powder. Its suitability for a particular formulation depends on the required purity, physical characteristics, solubility behavior, and applicable quality standards. These parameters should be confirmed against the specification for the supplied grade rather than assumed to be identical across all products.
For procurement, buyers should distinguish anhydrous Calcium D-Pantothenate from hydrated forms. The anhydrous form is commonly represented by the molecular formula C18H32CaN2O10 and a molecular weight of approximately 476.54 g/mol. Hydrated material has a different composition and molecular weight, so the declared formula should match the product specification and analytical documentation.

Chemical Properties
| Property | Details |
|---|---|
| Product Name | Calcium D-Pantothenate |
| CAS Number | 137-08-6 |
| Molecular Formula | C18H32CaN2O10 (anhydrous form) |
| Molecular Weight | Approximately 476.54 g/mol (anhydrous form) |
| Chemical Identity | Calcium salt of D-pantothenic acid |
| Common Synonyms | D-Calcium Pantothenate; Calcium Pantothenate |
| Appearance | Typically white to off-white crystalline powder; confirm against the supplied grade |
| Odor | Typically odorless or nearly odorless; verify product specification |
| Solubility | Soluble in water; actual behavior depends on test conditions and grade |
| Functional Category | Vitamin B5 source |
| Storage | Keep tightly closed in a cool, dry place, following the supplier's handling instructions |
| Quality Verification | Review the current COA, specification, and applicable grade documentation |
Product Applications
1. Vitamin and Nutritional Premixes
Calcium D-Pantothenate can be incorporated into vitamin premixes and nutritional blends as a source of vitamin B5. Mixing procedures should support uniform distribution, especially when the ingredient is used at a relatively low inclusion level.
2. Dietary Supplement Formulations
It may be used in the development of tablets, capsules, powders, and other nutritional supplement formats where pantothenic acid is required. The selected grade should meet the intended market's quality and regulatory requirements.
3. Food Fortification
Where permitted by local regulations and supported by the appropriate food-grade specification, Calcium D-Pantothenate can be used to fortify selected foods or nutritional products. Formulators should assess processing conditions, ingredient compatibility, and the required vitamin contribution.
4. Pharmaceutical Formulation Development
Suitable pharmaceutical grades may be considered for formulations requiring a defined source of pantothenic acid. Selection should be based on the applicable pharmacopeial or customer specification, identity testing, assay, and impurity controls.
5. Animal Nutrition
Appropriately specified material can be used in animal-feed premixes and nutritional preparations as a source of vitamin B5, where authorized. The intended species, inclusion level, feed regulations, and premix compatibility should be evaluated before use.
6. Laboratory and Formulation Research
Calcium D-Pantothenate may serve as a reference ingredient in formulation trials, analytical method development, and studies involving vitamin B5. Research use should be supported by suitable identity and purity documentation.

FAQ
Q1: What is Calcium D-Pantothenate?
Calcium D-Pantothenate is the calcium salt of D-pantothenic acid, commonly known as vitamin B5. It is used as a vitamin ingredient in suitable nutritional and formulation applications.
Q2: Is Calcium D-Pantothenate the same as pantothenic acid?
No. Pantothenic acid is the vitamin itself, whereas Calcium D-Pantothenate is its calcium salt. They have different chemical identities and molecular formulas.
Q3: What are the molecular formula and molecular weight of Calcium D-Pantothenate?
For the anhydrous form, the commonly cited molecular formula is C18H32CaN2O10 and the molecular weight is approximately 476.54 g/mol. Confirm these values against the declared form of the material, because hydrated forms differ.
Q4: Is Calcium D-Pantothenate soluble in water?
It is generally described as water-soluble. For formulation work, confirm the solubility requirement under the intended temperature, concentration, and processing conditions.
Q5: What quality documents should be checked before purchasing?
Review the current Certificate of Analysis (COA), product specification, identification and assay results, moisture or water-content information, impurity limits, and grade-specific documentation. Additional documents may be required depending on the intended application and destination market.
Q6: How should Calcium D-Pantothenate be stored?
Keep the material tightly closed in a cool, dry place and follow the storage conditions stated in the supplied product documentation. Protect the container from unnecessary exposure to moisture and environmental contamination.
