Description

Lead Phthalate CAS NO 6838-85-3 is an organometallic compound primarily used as a heat stabilizer and lubricant in polymer formulations. This product is valued for its ability to enhance the thermal processing stability and mechanical properties of various plastics, particularly PVC. It is an essential raw material for manufacturers in the plastics, cable, and specialty chemical industries seeking to improve product performance and longevity.

Application

• PVC Stabilizer: Acts as a primary or secondary heat stabilizer in rigid and flexible polyvinyl chloride (PVC) formulations to prevent degradation during processing.
• Cable & Wire Insulation: Used in the production of electrical cable sheathing and insulation to provide thermal stability and improved extrusion characteristics.
• Lubricant in Plastics: Functions as an internal and external lubricant in plastic compounding, aiding in mold release and surface finish.
• Specialty Polymer Additive: Employed in other polymer systems requiring metal-based stabilization against heat and light.
• Chemical Intermediate: Serves as a precursor or catalyst in specific organic synthesis reactions within the fine chemical industry.

Basic Information

Product Name	Lead Phthalate
CAS No.	6838-85-3
Molecular Formula	C8H4O4Pb
Molecular Weight	347.31 g/mol
Synonyms	Lead(II) Phthalate; Dibasic Lead Phthalate; Phthalic Acid, Lead Salt; Lead Phthalate Stabilizer; Plumbous Phthalate; DLP (Dibasic Lead Phthalate); NSC 8428; Stabilizer T-18
EINECS	229-914-5

Quality Control

Our Lead Phthalate is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes comprehensive analytical testing, including assay and impurity profiling, to meet exacting industrial specifications. A Certificate of Analysis (COA) detailing purity, heavy metal content, and physical properties is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to yellowish powder
Identification (IR)	Conforms
Assay (as PbO)	≥ 82.0 %
Moisture Content	≤ 1.0 %
Acidity (as Phthalic Acid)	≤ 1.5 %
Particle Size (Passing 200 mesh)	≥ 99.5 %

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