Description

Lead Sulfate Tribasic is an inorganic compound with the chemical formula 3PbO·PbSO₄·H₂O, representing a basic sulfate of lead. This material is valued for its high lead content and specific reactivity, making it a critical intermediate and functional component in several industrial processes. It is primarily utilized in the production of specialty pigments, as a stabilizer in certain polymers, and within the battery manufacturing sector for advanced lead-acid systems. For precise identification, the CAS registry number is 12202-17-4.

Application

• Pigment Manufacturing: Serves as a key precursor and functional filler in the production of corrosion-inhibiting and specialty colored pigments.
• Battery Industry: Used in the formulation of active materials for advanced lead-acid batteries, contributing to plate formation and performance.
• Polymer Stabilizers: Acts as a heat and light stabilizer in specific PVC and other polymer formulations to prevent degradation.
• Ceramics & Glass: Employed as a fluxing agent and to impart specific properties in ceramic glazes and specialty glass production.
• Chemical Synthesis: Functions as a reagent or intermediate in the synthesis of other lead-based compounds and catalysts.
• Radiation Shielding: Incorporated into composites and materials for its density and effectiveness in radiation attenuation.

Basic Information

Product Name	Lead Sulfate Tribasic
CAS No.	12202-17-4
Molecular Formula	3PbO·PbSO₄·H₂O
Molecular Weight	990.90 g/mol
Synonyms	Tribasic Lead Sulfate; Sulfuric Acid, Lead Salt, Basic; 3PbO·PbSO₄·H₂O; Lead Oxide Sulfate Hydrate; TBLS; Lead Sub-sulfate; Basic Lead Sulfate; NSC 84217
EINECS	235-380-9

Quality Control

Our Lead Sulfate Tribasic is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical tests including assay (by titration), heavy metal screening, and loss on drying. While produced to industrial grade specifications, we can discuss compliance with relevant standards for your application. A Certificate of Analysis (COA) documenting all critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture and carbon dioxide. Isolate from incompatible materials such as strong acids and reducing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as 3PbO·PbSO₄·H₂O)	≥ 98.0 %
Lead (Pb) Content	Contact for details
Sulfate (SO₄) Content	Contact for details
Loss on Drying	≤ 1.0 %
Water-Soluble Matter	≤ 0.5 %
Particle Size (Typical)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.