Calcium metaborate
Calcium metaborate (CAS: 13701-64-9), with the chemical formula Ca(BO2)2 · 2H2O and a molecular weight of 161.73 g/mol, is a hydrated inorganic salt. Supplied by Tech Serve Solutions as a technical grade powder, this compound serves as a reagent in chemical synthesis and as a source of calcium and boron in various industrial applications. Its properties make it suitable for general laboratory use and manufacturing processes requiring specific inorganic salt characteristics.
- IUPAC
- Calcium borate

Chemical Synthesis
Calcium metaborate functions as a reagent in the synthesis of other chemical compounds. It can be incorporated into reaction pathways where a source of calcium and borate ions is required.
Inorganic Salt Applications
As an inorganic salt, it finds use in various industrial processes. Its specific chemical properties can be beneficial in applications such as glass manufacturing or ceramic production, contributing essential elements.
Boron Source
This compound serves as a source of boron, which is a crucial element in numerous applications, including agriculture and specialised material science.
Calcium Source
It also provides a source of calcium, an essential element used in diverse industrial settings, from construction materials to specialised chemical formulations.
| Molecular weight | 161.73 |
|---|---|
| Linear formula | Ca(BO2)2 · 2H2O |
| Assay | 31-37% CaO basis39-44% B2O3 basis |
| Grade | technical |
| Form | powder |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 metaborate used for?
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Calcium metaborate is primarily used as a reagent in chemical synthesis and as an inorganic salt in various industrial applications, serving as a source of both calcium and boron.
What is the CAS number and chemical formula for Calcium metaborate?
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The CAS number for Calcium metaborate is 13701-64-9, and its chemical formula is Ca(BO2)2 · 2H2O.
What grade and purity does Tech Serve Solutions supply for Calcium metaborate?
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Tech Serve Solutions supplies Calcium metaborate in technical grade. The assay is typically between 31-37% CaO basis and 39-44% B2O3 basis.
How should Calcium metaborate be handled safely?
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Calcium metaborate may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It is advised to wear a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes (P305 + P351 + P338).
Is Calcium metaborate a controlled substance?
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The provided data does not indicate that Calcium metaborate is a controlled substance.
How is Calcium metaborate packed and shipped?
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Calcium metaborate is typically supplied as a powder. TSS exports chemicals globally, adhering to international shipping regulations for chemical products.
How can I request a quote or sample of Calcium metaborate?
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To request a quote or a sample of Calcium metaborate, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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