Molekula
Calcium hydrogen phosphate particle size approx (150 μm) EP & USP Grade
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 hydrogen phosphate (CaHPO4) is a dibasic calcium phosphate salt used as a pharmaceutical excipient, dietary supplement, and buffering agent in tablets, capsules, and nutritional formulations. It provides controlled dissolution, improves stability, and acts as a calcium source in pharmaceutical and food applications. This product meets **EP (European Pharmacopoeia) and USP (United States Pharmacopoeia) standards**, with a **particle size of approximately 150 μm**, **CAS 7757-93-9**, and a **molecular weight of 136.06**. It carries a **signal word of Warning** and is stored at ambient conditions. Molekula supplies Calcium hydrogen 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 or almost white crystalline powder or colourless crystals |
| Identification | A: A white precipitate is formed (1) USP. B: A yellow precipitate is formed (1) Ph.Eur. C: Responds to test for assay (2). Ph Eur. D: Match with reference standard (3). Synthon. |
| Loss on Ignition | 6.6% to 8.7% |
| Chloride (Cl-) | ≤0.25% |
| Assay | ≥97.5% to 102.5% |
| Carbonates (Na2CO3) | No effervescence is produced |
| Iron (Fe) | ≤0.04% |
| Arsenic (As) | ≤0.0003% |
| Barium (Ba) | No turbidity is produced |
| Sulphates (SO4)(2-) | ≤0.5% |
| Fluoride (F-) | ≤0.005% |
| Acid-insoluble substances | ≤0.2% |
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 | 90035366 |
| 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, English (US), French, German, Italian, 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
No alternate names recorded for this product.
Frequently asked questions
What is calcium hydrogen phosphate (CaHPO₄) primarily used for?
Calcium hydrogen phosphate is commonly used as a pharmaceutical excipient in tablets and capsules for controlled-release formulations, as well as a dietary supplement and buffering agent in food and feed applications.
What is the molecular formula and molecular weight of this product?
The molecular formula is **CaHPO₄** and the molecular weight is **136.06 g/mol**.
What is the particle size range for this product?
The particle size is approximately **150 µm**, meeting **EP (European Pharmacopoeia) and USP (United States Pharmacopeia) grade** standards.
How should calcium hydrogen phosphate be stored?
Store in a **cool, dry place at ambient temperature**, away from moisture and strong oxidizing agents.
Does Molekula supply this product in bulk quantities?
Yes, we offer **bulk supply options** for calcium hydrogen phosphate, with flexible packaging (e.g., drums, bags) based on customer requirements.
What documentation is provided with each order?
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.