Calcium borate
From Infogalactic: the planetary knowledge core
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12007-56-6 | |
ChemSpider | 118685 |
Jmol 3D model | Interactive image Interactive image |
PubChem | 134660 |
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Properties | |
Ca3(BO3)2 | |
Molar mass | 237.852 g/mol |
Appearance | bluish white crystal |
Vapor pressure | {{{value}}} |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Calcium borate (Ca3(BO3)2), also called Gerstley borate[citation needed], is a bluish white crystal with a very defined structure. It can be prepared by reacting calcium metal with boric acid. The resulting precipitate is calcium borate. A hydrated form occurs naturally as the minerals colemanite, nobleite and priceite.
One of its uses is as a binder in some grades of hexagonal boron nitride for hot pressing. Other uses are e.g. flame retardant in epoxy molding compounds, a ceramic flux in some ceramic glazes, reactive self-sealing binders in hazardous waste management,[1] additive for insect-resistant polystyrene,[2] fertilizer, and production of boron glasses.
References
- ↑ Calcium borate binders. (PDF) . Retrieved on 2010-02-08.
- ↑ Calcium borate infused foam building materials and the like and method of making same - US Patent 6667350 Claims. Patentstorm.us. Retrieved on 2010-02-08.
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