Molekula
Calcium phosphate dibasic
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
Calcium phosphate dibasic (CaHPO4) is a white, crystalline inorganic salt primarily used as a buffering agent in pharmaceuticals, food additives (e.g., acidity regulators), and laboratory buffers. It also serves as a dietary calcium supplement and in dental formulations. This chemical has a CAS number of 7757-93-9, a molecular weight of 136.06 g/mol, and is stored at ambient conditions. The product carries a signal word of "Warning" for safety classification. Molekula supplies calcium phosphate dibasic 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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 mobility of particles or powder |
| Water | <1.0% |
| Total plate count | <200cfu/g |
| Loss on Drying | 6.6 - 8.5% |
| Bulk density | 0.95 - 1.05g/ml |
| Mesh size | >99% pass 100mesh |
| Fluorine (F) | <0.005% |
| Acid insoluble | <0.2% |
| Lead (Pb) | <0.5ppm |
| Arsenic (As) | <0.2ppm |
| Assay (dried basis) | 98 - 105% |
| Sulphates (SO4)(2-) | <0.5% |
| Mould & Yeast | <100cfu/g |
| Chlorine (Cl) | <0.25% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Triclinic crystals |
| Odour | Odorless |
| Solubility (other solvents) | Sparingly soluble in water. Insoluble in ethanol |
| Refractive Index | 1.5576 |
Source: PubChem CID 24441 (HSDB, EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 49241194 |
| CAS Number | 7757-93-9 |
| IUPAC Name | calcium hydrogen phosphate |
| EC Number | 231-826-1 |
| Molecular Formula | CaHPO4 |
| Molecular Weight | 136.06 |
| Exact Mass | 135.9238 |
| SMILES | OP(=O)([O-])[O-].[Ca+2] |
| InChIKey | FUFJGUQYACFECW-UHFFFAOYSA-L |
| InChI | InChI=1S/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2 |
| PubChem CID | 24441 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28352500 |
| Tariff Code | 2835250000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
- Biofos
- CALCIUM HYDROGEN PHOSPHATE
- Calcium phosphate (1:1)
- Dibasic calcium phosphate
- Dicafos AN
- Dicalcium orthophosphate
- Dicalcium phosphate
- Fujicalin S
- Phosphoric acid, calcium salt (1:1)
- secondary Calcium phosphate
Frequently asked questions
What is calcium phosphate dibasic (CaHPO₄) commonly used for?
Calcium phosphate dibasic is primarily used as a food additive (E341), a buffering agent in pharmaceuticals, and in fertilizers, animal feed, and dental cements.
What is the molecular formula and molecular weight of calcium phosphate dibasic?
The molecular formula is **CaHPO₄**, and the molecular weight is **136.06 g/mol**.
How should calcium phosphate dibasic be stored?
Store in a cool, dry place at ambient temperature, away from moisture and incompatible substances.
What grades of calcium phosphate dibasic does Molekula supply?
Molekula supplies **food-grade (E341)**, **pharmaceutical-grade**, and **technical-grade** calcium phosphate dibasic.
Can Molekula supply calcium phosphate dibasic in bulk quantities?
Yes, Molekula can provide bulk quantities of calcium phosphate dibasic, with minimum order quantities (MOQs) available upon request.
What documentation comes with an order of calcium phosphate dibasic?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.