Calcium borate
Synonym(s):Calcium borate
- CAS NO.：13701-64-9
- Empirical Formula: B2Ca3O6
- Molecular Weight: 237.85
- MDL number: MFCD00049397
- EINECS: 237-224-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-03-04 21:26:23
What is Calcium borate?
Chemical properties
white powder(s); prepared by fusion of CaCO3 and B2O3; used as a flux in metallurgy, in fire-retardant paint [MER06] [STR93]
The Uses of Calcium borate
- Calcium metaborate can be used as an additive to improve the performance of nickel-metal hydride batteries.
- It is used as a precursor to synthesize calcium hexaboride (CaB6) by electro-reduction that can be used as high capacity anode for aqueous primary batteries.
- It can also be employed in the preparation of calcium-doped borate glass for thermoluminescent dosimeters (TLD).
Flammability and Explosibility
Not classified
Agricultural Uses
The calcium salt of boric acid is called calcium borate. Colemanite is a source of calcium borate, (Ca2B6O11·5H2O),from which boron is extracted. It can also be added to overcome boron deficiency.
Properties of Calcium borate
| Melting point: | 986 (anhydrous) [CRC10] |
| Density | 2[at 20℃] |
| form | Powder |
| color | White |
| Water Solubility | g/100g H2O: 2.32 (0°C), 2.72 (20°C), 8.70 (100°C) [LAN05] |
| Exposure limits | ACGIH: TWA 2 mg/m3; STEL 6 mg/m3 |
| CAS DataBase Reference | 13701-64-9(CAS DataBase Reference) |
| EPA Substance Registry System | Boric acid (HBO2), calcium salt (13701-64-9) |
Safety information for Calcium borate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Calcium borate
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