Iron Oxide Yellow — PY42 / CAS 51274-00-1

Description

1. Product Overview

Iron Oxide Yellow (PY42, CAS 51274-00-1) is a high-performance inorganic pigment widely used across coatings, construction materials, plastics, ceramics, and industrial colorant systems. It delivers strong tinting strength, excellent opacity, and outstanding UV and weather resistance, making it a preferred choice for long-life applications.

Its key value lies in its chemical stability and consistent coloration performance under harsh environmental conditions, ensuring reliable product quality at industrial scale. In global pigment markets, it is strategically important due to its cost efficiency, non-toxicity, and versatility across multiple manufacturing sectors.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Fe₂O₃·H₂O (hydrated iron(III) oxide)
• Color Index: Pigment Yellow 42 (PY42)
• CAS Number: 51274-00-1
• Appearance: Yellow powder (earthy/yellow-brown shade depending on grade)
• Particle Size: Typically micronized (customizable 0.2–5 μm range)
• Purity / Grade: Industrial / Coating / Construction / Plastics grades available
• Density: ~3.5–4.0 g/cm³ (varies by grade)
• Oil Absorption: Moderate, optimized for dispersion performance
• Packaging: 25 kg bags / 500–1000 kg jumbo bags / customized bulk packaging
• Shelf Life: 24–36 months under dry, sealed storage conditions

3. Core Industrial Applications

• Construction Materials: Concrete coloring, paving stones, bricks, tiles, and cement-based products
• Coatings & Paints: Architectural paints, industrial coatings, anti-corrosive primers
• Plastics & Polymers: Masterbatches, PVC, PE, rubber pigmentation
• Ceramics & Glass: Decorative ceramics, ceramic glazes, and glass tinting
• Ink Industry: Printing inks requiring stable, weather-resistant pigmentation

Iron Oxide Yellow outperforms many organic pigments in durability, offering superior UV stability, heat resistance, and non-fading performance, especially in outdoor and infrastructure applications. Its low solubility and chemical inertness ensure long-term color integrity in demanding environments.

4. Competitive Advantages

• Superior Batch Consistency: Tight quality control ensures uniform shade and performance across shipments
• High Weather Resistance: Excellent resistance to UV radiation, moisture, and chemical exposure
• Global Supply Reliability: Stable production sourcing suitable for large-scale industrial procurement
• Cost Efficiency: Lower lifecycle cost compared to organic pigment alternatives due to durability
• Eco-Friendly Profile: Non-toxic, heavy-metal compliant, environmentally safe pigment system
• Strong Dispersion Performance: Optimized particle engineering for smooth incorporation in multiple matrices
• Technical Documentation Support: Full COA, MSDS, and application guidance available for industrial buyers

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Approximately 20–25 MT per 20FT container (depending on packaging format)
• Packaging Flexibility: Standard export packing or customized bulk handling options available
• Supply Model: Contract-based or spot shipment for global industrial buyers
• Lead Time: Typically 7–21 days depending on order volume and customization requirements