For Research & Development scientists and product formulators, selecting the right raw materials is critical to the success of new product development and optimization. Bismuth Vanadate Yellow (CAS 14059-33-7) is a high-performance inorganic pigment that offers a unique combination of attributes, making it a valuable ingredient across numerous industries. This article delves into the key specifications and diverse applications of Bismuth Vanadate Yellow, guiding formulators on how to effectively source and utilize this advanced pigment.

Understanding Bismuth Vanadate Yellow: The Chemistry and Properties

Bismuth Vanadate (BiVO₄) is a synthetic inorganic compound celebrated for its bright yellow hue and excellent optical properties. It's a member of the metal oxide pigment family and is recognized for being an environmentally friendly alternative to cadmium-based pigments. Its key properties include:

  • Chemical Name: Bismuth Vanadate
  • CAS Number: 14059-33-7
  • Molecular Formula: BiO₄V
  • Molecular Weight: 323.92
  • Appearance: Bright yellow powder
  • Purity: Typically 99.00% or higher
  • Key Characteristics: Excellent opacity, high tinting strength, superb lightfastness, weather resistance, and chemical stability. It is also non-toxic and does not contain heavy metals.

Different crystal phases of Bismuth Vanadate exist, each offering subtly different properties and applications. Understanding these nuances can be beneficial when discussing specific requirements with a pigment supplier.

Critical Specifications for Formulators

When sourcing Bismuth Vanadate Yellow, formulators should pay close attention to the following specifications to ensure optimal performance in their applications:

  • Purity Level: High purity (e.g., ≥99.00%) is essential for consistent color development and performance. Impurities can affect tinting strength, shade, and stability.
  • Particle Size Distribution: The fineness and uniformity of pigment particles significantly impact dispersion, opacity, and gloss. Formulators should inquire about the typical particle size range and consider if specific milling or surface treatments are available.
  • Oil Absorption: This parameter indicates how much binder the pigment requires for proper dispersion. Lower oil absorption generally means better economy and easier processing.
  • Lightfastness and Weatherability Ratings: For applications exposed to sunlight or harsh conditions, high ratings for lightfastness (e.g., 8/8) and weather resistance are crucial.
  • Heat Stability: While Bismuth Vanadate generally offers good heat stability, understanding its limits is important for processes involving high temperatures, such as plastic compounding.

Diverse Application Areas for Bismuth Vanadate Yellow

The combination of vibrant color, safety, and performance makes Bismuth Vanadate Yellow suitable for a broad spectrum of applications:

  • Automotive Coatings: Its exceptional durability and resistance to fading make it a preferred choice for automotive OEM and refinish coatings.
  • Industrial Coatings: Used in architectural paints, coil coatings, and protective coatings for its longevity and brilliant color.
  • Plastics and Masterbatches: Ideal for coloring various polymers, including PVC, polyolefins, and engineering plastics, where non-toxicity and high heat stability are advantageous.
  • Printing Inks: Provides vivid and durable colors for packaging inks, screen printing, and specialty inks.
  • Artist Colors: Revered by artists for its permanence and clean yellow shade in oil paints, acrylics, and watercolors.
  • Ceramics and Glazes: Offers stable coloration in high-temperature ceramic firing processes.
  • Cosmetics: Its safety profile makes it suitable for use in cosmetic formulations.

Where to Buy Bismuth Vanadate Yellow

When you need to buy Bismuth Vanadate Yellow, seeking out specialized chemical manufacturers or distributors is recommended. These suppliers can provide detailed technical datasheets (TDS) and safety datasheets (SDS), and often offer custom solutions or bulk pricing. For reliable sourcing, consider manufacturers with a strong track record in producing high-performance inorganic pigments, especially those based in China, known for their robust chemical manufacturing capabilities. Always request samples to conduct thorough application testing before placing large orders.

In summary, Bismuth Vanadate Yellow (CAS 14059-33-7) is a high-performance, eco-friendly pigment that offers significant advantages for formulators. By understanding its specifications and application potential, R&D professionals can leverage this pigment to create superior products.