Calcium borate

Calcium borate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.131 Edit this at Wikidata
UNII
  • InChI=1S/2BO3.3Ca/c2*2-1(3)4;;;/q2*-3;3*+2 checkY
    Key: VLCLHFYFMCKBRP-UHFFFAOYSA-N checkY
  • InChI=1/4BO3.6Ca/c4*2-1(3)4;;;;;;/q4*-3;6*+2
    Key: KKKYJLNWARAYSD-UHFFFAOYAA
  • InChI=1/2BO3.3Ca/c2*2-1(3)4;;;/q2*-3;3*+2
    Key: VLCLHFYFMCKBRP-UHFFFAOYAG
  • [Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-]
  • [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-]
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):
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).
☒N verify (what is checkY☒N ?)
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, additive for insect-resistant polystyrene, 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.



This page was last updated at 2022-09-06 05:57 UTC. Update now. View original page.

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