Calcium borate
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| Identifiers | |
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12007-56-6  |
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| 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 |
| Hazards | |
| Flash point | Non-flammable |
| Lethal dose or concentration (LD, LC): | |
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LD50 (median dose)
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590 mg/kg (oral, mouse) |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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 verify (what is ?) |
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| Infobox references | |
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[edit]
- ^ 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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