High Stability: Remains stable under normal temperature and pressure conditions, ensuring reliability during storage and use.
Controlled Thermal Behavior: Undergoes predictable decomposition at elevated temperatures, useful in applications requiring thermal processing.
Chemical Reactivity: Soluble in strong acids like acetic and nitric acid, allowing for versatile chemical applications.
Distinctive Reaction to Hydrogen Sulfide: Reacts gradually to form a characteristic black compound, which can be useful for specific industrial processes or detection purposes.
Lead (II) carbonate basic is a dense white powder with a hexagonal crystal structure. It is insoluble in water and ethanol but readily dissolves in strong acids such as acetic acid and nitric acid. The compound remains stable under standard temperature and pressure. Upon heating to 220°C for four hours, about 9% of its carbon dioxide content decomposes, converting 95% of the substance into PbCO3⋅PbOPbCO_{3} \cdot PbO. At 400°C, it further decomposes into lead oxide with the release of carbon dioxide. When exposed to hydrogen sulfide, it gradually blackens, forming 4PbCO3⋅PbS⋅Pb(OH)24PbCO_{3} \cdot PbS \cdot Pb(OH)_{2}.
Lead(II) carbonate basic Chemical Properties
| Melting point | 400 °C (dec.)(lit.) |
| Density | 6,14 g/cm3 |
| Solubility | insoluble in H2O, ethanol; soluble in acid solutions |
| Form | Powder |
| Specific Gravity | 6.14 |
| Color | White to off-white |
| Water Solubility | Insoluble |
| Solubility Product Constant (Ksp) | pKsp: 13.13 |
| Exposure limits | ACGIH: TWA 0.05 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 0.050 mg/m3 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids. |
| InChI | InChI=1S/2CH2O3.2H2O.3Pb/c2*2-1(3)4;;;;;/h2*(H2,2,3,4);2*1H2;;;/q;;;;3*+2/p-6 |
| InChIKey | RYZCLUQMCYZBJQ-UHFFFAOYSA-H |
| SMILES | C([O-])([O-])=O.C([O-])([O-])=O.[Pb](O)O.[Pb+2].[Pb+2] |
| CAS DataBase Reference | 1319-46-6(CAS DataBase Reference) |
| EPA Substance Registry System | Basic lead carbonate (1319-46-6) |
Safety Information
| Hazard Codes | T,N |
| Risk Statements | 61-20/22-33-50/53-62 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN 2291 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | OF9275000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 28369917 |
| Hazardous Substances Data | 1319-46-6(Hazardous Substances Data) |
Lead carbonate basic possesses a high refractive index and strong resistance to weathering, making it widely applicable in pigments, coatings, plastics, printing, dyeing, and analytical reagents. In the pigment industry, it is valued for creating high-quality pearlescent pigments and is also utilized in the formulation of inorganic pigments for paints and coatings. In printing and ink applications, it is employed on materials such as packaging paper, business cards, plastic fabrics, and textiles.
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