Pigment Yellow 34 CAS#1344-37-2

Pigment Yellow 34 (CAS#1344-37-2), also known as Lead Chromate, is an inorganic pigment recognized for its vibrant yellow hue. This pigment is characterized by its excellent tinting strength and superior lightfastness, making it ideal for a variety of applications where color durability is essential.

 Key Features:

 Appearance: Pigment Yellow 34 presents as a bright yellow, transparent liquid or a powder with a crystalline structure.

Chemical Composition: The molecular formula for Pigment Yellow 34 is PbCrO4 PbSO4, with a molecular weight of approximately 576.07.

Performance: It exhibits outstanding resistance to heat, light, and weathering, ensuring that the color remains consistent over time.

Applications: Widely used in the manufacturing of paints, coatings, and synthetic fibers due to its ability to provide a rich yellow shade with excellent opacity.

Safety: Handling requires precautions due to its toxicity. It is advised to use personal protective equipment and to store in a cool, dry place away from incompatible materials.

Technical Specifications:

 Density: Approximately 1.73 g/cm³ at 20°C.

Boiling Point: 157°C.

Solubility: Insoluble in water and oil, but soluble in strong acids and bases.

Stability: Stable when protected from exposure to sulfur compounds and strong alkalis, which can alter its color.Usage:

Pigment Yellow 34 is primarily utilized in the plastics and coatings industry for coloring paints. It is also used in the coloring of synthetic fibers and other applications where a stable, bright yellow pigment is required.

 Storage and Handling:

It is crucial to store Pigment Yellow 34 in a sealed manner in low temperature, dry, cool, and ventilated conditions to prevent moisture absorption. The product should not be mixed with toxic and harmful substances and has a shelf life of 24 months when unopened.

 Please note that due to its composition containing lead and chromium, Pigment Yellow 34 is classified as hazardous, and its use may be restricted in certain applications to meet environmental and safety regulations.