Pigment Yellow 34 CAS#1344-37-2

Pigment Yellow 34 (CAS#1344-37-2) Product Description

Pigment Yellow 34, also known as Lead Chromate, is an inorganic pigment renowned for its bright yellow color. It offers excellent tinting strength and superior lightfastness, making it suitable for applications where long-lasting, vivid color is required.

Appearance: Available as a bright yellow, transparent liquid or as a crystalline powder.

Chemical Composition: The molecular formula is PbCrO4·PbSO4, with a molecular weight of approximately 576.07.

Performance: Exhibits outstanding resistance to heat, light, and weathering, ensuring consistent color over time.

Applications: Widely employed in paints, coatings, and synthetic fibers, providing a rich yellow shade with excellent opacity.

Safety: Due to its toxicity, proper handling is essential. Use personal protective equipment and store in a cool, dry place away from incompatible materials.

Technical Specifications:

• Density: ~1.73 g/cm³ at 20°C

• Boiling Point: 157°C

• Solubility: Insoluble in water and oil; soluble in strong acids and bases

• Stability: Stable when protected from sulfur compounds and strong alkalis

Usage: Primarily used in plastics and coatings for paint coloration, as well as in synthetic fibers and other applications requiring a stable, bright yellow pigment.

Storage and Handling: Store in sealed, low-temperature, dry, and well-ventilated conditions to prevent moisture absorption. Do not mix with toxic or harmful substances. Shelf life is 24 months when unopened.

Regulatory Note: Containing lead and chromium, Pigment Yellow 34 is classified as hazardous. Its use may be restricted in certain applications to comply with environmental and safety regulations.