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Bluish white crystal found in some minerals From Wikipedia, the free encyclopedia
Calcium borate (Ca3(BO3)2). 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.[citation needed]
Names | |
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IUPAC names
Calcium borate | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.034.131 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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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): | |
LD50 (median dose) |
590 mg/kg (oral, mouse) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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One of its uses is as a binder in some grades of hexagonal boron nitride for hot pressing. Other uses include 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.
Also it used as a main source of boron oxide in the manufacturing of ceramic frits that used in the ceramic glaze or ceramic engobe for wall and floor ceramic tiles.[citation needed]
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