Molekula
tri-Calcium phosphate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tri-Calcium phosphate is a calcium salt of phosphoric acid used in pharmaceuticals, dietary supplements, and as a food additive. Industrially, it is also used in fertilizer and phosphoric acid production, in glass and ceramics manufacturing, as an anticaking agent, and in animal feeds. It serves as a source of calcium and phosphorus in nutritional formulations. Available with CAS number 7758-87-4, molecular formula Ca3(PO4)2, and molecular weight 310.18 g/mol. Stable at ambient storage conditions. Molekula supplies tri-Calcium phosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — £39.80 per pack ex VAT · £47.76 inc. VAT
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1 kg — £65.00 per pack ex VAT · £78.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White solid |
| Heavy metals | ≤0.001% |
| Identification | Conforms to reference |
| Chloride (Cl-) | ≤0.002% |
| Assay | ≥99.0% |
| Clarity | Passes Test |
| Iron (Fe) | ≤0.005% |
| Insoluble: in HCL | ≤0.01% |
| Arsenic (As) | ≤3ppm |
| Sulphates (SO4)(2-) | ≤0.02% |
| Nitrate (NO3-) | ≤0.02% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White amorphous powder |
| Odour | Odorless |
| Melting Point | 1670 °C |
| Density | 3.14 g/cm³ |
| Solubility (other solvents) | Practically insoluble in water; insoluble in ethanol, soluble in dilute hydrochloric and nitric acid |
| Refractive Index | 1.629 |
Source: PubChem CID 24456 (HSDB, EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 46511956 |
| CAS Number | 7758-87-4 |
| IUPAC Name | tricalcium diphosphate |
| EC Number | 231-840-8 |
| Molecular Formula | Ca3(PO4)2 |
| Molecular Weight | 310.18 |
| Exact Mass | 309.7946 |
| SMILES | [O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Ca+2].[Ca+2].[Ca+2] |
| InChIKey | QORWJWZARLRLPR-UHFFFAOYSA-H |
| InChI | InChI=1S/3Ca.2H3O4P/c;;;2*1-5(2,3)4/h;;;2*(H3,1,2,3,4)/q3*+2;;/p-6 |
| PubChem CID | 24456 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 28352600 |
| Tariff Code | 2835260000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Bonarka
- Calcigenol simple
- Calcium orthophosphate
- Calcium phosphate, tribasic
- Calcium tertiary phosphate
- Phosphoric acid, calcium salt (2:3)
- Synthos
- Tertiary calcium phosphate
- Tricalcium diphosphate
- Tricalcium orthophosphate
Frequently asked questions
What is tri-Calcium phosphate used for?
Tri-Calcium phosphate is commonly used as a dietary supplement, a food additive for calcium enrichment, and in pharmaceutical formulations as a filler or excipient.
What is the chemical formula and molecular weight of tri-Calcium phosphate?
The chemical formula is Ca3(PO4)2, and the molecular weight is 310.18 g/mol.
How should tri-Calcium phosphate be stored?
It should be stored at ambient temperature, protected from moisture and contamination.
What grade of tri-Calcium phosphate does Molekula supply?
Molekula supplies tri-Calcium phosphate in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply tri-Calcium phosphate in bulk?
Yes, Molekula can supply tri-Calcium phosphate in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purchase of tri-Calcium phosphate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.