| Identification | More | [Name]
LEAD (II) BORATE MONOHYDRATE | [CAS]
14720-53-7 | [Synonyms]
LEAD (II) BORATE MONOHYDRATE
boricacid(hbo2),lead(2++)salt
Boricacid,lead(2+)salt
Boricacidlead(2+)salt(1:5)
Lead(Ⅱ) borate
Lead metaborate monohydrate
boric acid, lead salt
Bis(metaboric acid)lead(II) salt
Bismetaboric acid lead(II) salt | [EINECS(EC#)]
238-762-3 | [Molecular Formula]
B2H2O5Pb | [MDL Number]
MFCD03424121 | [Molecular Weight]
310.83 | [MOL File]
14720-53-7.mol |
| Questions And Answer | Back Directory | [Physical properties]
Lead Borate is a white crystalline powder. The metaborate loses water of crystallization at 160 °C and melts at 500 °C. It is insoluble in water and alkalies, but readily soluble in nitric and hot acetic acid. |
| Hazard Information | Back Directory | [Chemical Properties]
Lead Borate is a white crystalline powder. The metaborate loses water of crystallization at 160 °C and melts at 500 °C. It is insoluble in water and alkalies, but readily soluble in nitric and hot acetic acid. | [Uses]
The main use of lead metaborate is in glazes on pottery, porcelain, and chinaware, as well as in enamels for cast iron. Other applications include as radiation-shielding plastics, as a gelatinous thermal insulator containing asbestos fibers for neutron shielding, and as an additive to improve the properties of semiconducting materials used in thermistors. | [Production Methods]
Lead metaborate may be produced by a fusion of boric acid with lead carbonate or litharge. It also may be formed as a precipitate when a concentrated solution of lead nitrate is mixed with an excess of borax. The oxides of lead and boron are miscible and form clear lead-borate glasses in the range of 21 to 73 mol% PbO. |
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