Calcium phosphate dibasic
Calcium phosphate dibasic (CAS: 7757-93-9) is a chemical compound with the formula CaHPO₄ and a molar mass of 136.06 g/mol. Also known as calcium hydrogen phosphate, it is an inorganic salt. This compound is utilised in various chemical syntheses and as a component in the preparation of biological buffers and other laboratory reagents. Its properties make it a useful substance in diverse research and development applications.
- IUPAC
- Calcium hydrogen phosphate

Chemical Synthesis
Calcium phosphate dibasic serves as a reagent or precursor in various chemical synthesis pathways. It can be employed in the creation of more complex inorganic compounds and materials for research purposes.
Buffer Preparation
This compound is a component in the formulation of biological buffers. Its use helps maintain stable pH conditions, which is critical for numerous biochemical and cellular assays.
Laboratory Reagent
As a general laboratory reagent, calcium phosphate dibasic finds application in a range of analytical and preparative procedures. Its defined chemical properties support consistent experimental outcomes.
| Molecular weight | 136.06 |
|---|---|
| Linear formula | CaHPO4 |
| Assay | 98.0% |
| Suitability | meets USP testing specifications |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Calcium phosphate dibasic used for?
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Calcium phosphate dibasic (CAS: 7757-93-9) is used in chemical synthesis, the preparation of biological buffers, and as a general laboratory reagent.
What are the CAS number and formula for Calcium phosphate dibasic?
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The CAS number is 7757-93-9 and the linear formula is CaHPO₄.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Calcium phosphate dibasic with an assay of 98.0%. We do not represent this product as USP, BP, or EP grade.
What safety precautions are necessary when handling Calcium phosphate dibasic?
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When handling Calcium phosphate dibasic, it is advised to use Eyeshields and Gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK rating of 1 in Germany, indicating low hazard.
How is Calcium phosphate dibasic packed and exported by TSS?
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Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals. Products are carefully packed according to industry standards for safe transit and export.
How can I request a quote or sample for Calcium phosphate dibasic?
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To request a quote or sample for Calcium phosphate dibasic, please contact our sales team through the website or by phone.
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