Lead sesquioxide
- CAS NO.：1314-27-8
- Empirical Formula: O3Pb2
- Molecular Weight: 462.4
- MDL number: MFCD07783304
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:43
What is Lead sesquioxide?
Chemical properties
reddish yellow amorphous powder(s); obtained from PbO2 by hydrothermal reaction; used in ceramics, ceramic cements, metallurgy, and in varnishes [HAW93] [MER06] [KIR78]
Physical properties
Orange-yellow amorphous powder; decomposes at 370°C; insoluble in cold water; decomposes in hot water and acids.
The Uses of Lead sesquioxide
Lead trioxide is a catalyst for oxidation of carbon monoxide in exhaust gases. Other uses are vulcanizing neoprene rubber; fireproofing plastics; detecting radiation; and manufacturing high-purity diamonds.
Preparation
Lead trioxide is prepared by adding sodium hypochlorite or bromine to an aqueous solution of sodium plumbite.
Hazard
Tetraethyl lead is a highly toxic compound manifesting both acute and chronic effects. These effects are insomnia, hypotension, hypothermia, tremor,.
Properties of Lead sesquioxide
| Melting point: | decomposes at 370℃ [KIR78] |
| Density | 10.050 |
| solubility | insoluble in H2O; soluble in alkaline solutions; reacconc HCl |
| form | red amorphous powder |
| color | black monoclinic crystals, crystalline or
red amorphous
powder |
| Water Solubility | insoluble H2O; decomposed by conc HCl, H2SO4, evolving Cl2 or O2 [MER06]; soluble alkalies [HAW93] |
| EPA Substance Registry System | Lead trioxide (1314-27-8) |
Safety information for Lead sesquioxide
Computed Descriptors for Lead sesquioxide
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