Iron Oxide Red — CI 77491 / CAS 1309-37-1

Description

1. Product Overview

Iron Oxide Red (CI 77491 / CAS 1309-37-1) is a high-performance inorganic pigment composed primarily of synthetic ferric oxide, valued for its excellent color strength, durability, and chemical stability. It is widely used across construction materials, coatings, plastics, ceramics, cosmetics, and industrial pigment applications where consistent red coloration and long-term performance are required. Its superior lightfastness, weather resistance, and cost efficiency make it a preferred pigment solution for manufacturers seeking reliable and scalable color performance. As global demand increases for durable pigments in infrastructure, coatings, and consumer products, Iron Oxide Red remains a strategically important raw material in the international pigment supply chain.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Synthetic Iron Oxide (Ferric Oxide, Fe₂O₃)
• CAS Number: 1309-37-1
• Color Index: CI 77491
• Purity / Grade: Industrial Grade, Construction Grade, Coating Grade, Cosmetic Grade (depending on application requirements)
• Appearance: Fine red powder with uniform color distribution
• Color Shade: Red to reddish-brown tone
• Particle Size: Typically micronized powder; optimized for high dispersion performance
• Iron Oxide Content: High Fe₂O₃ concentration for strong tinting strength
• Density: Approx. 4.5–5.3 g/cm³
• Water Solubility: Insoluble in water
• Chemical Stability: Excellent resistance to alkalis, acids, UV exposure, and weathering
• Packaging Options: 25 kg bags, kraft paper bags with PE liner, jumbo bags (500–1,000 kg), customized bulk packaging available
• Shelf Life: Typically 24–36 months when stored in dry, protected conditions

3. Core Industrial Applications

• Construction Industry: Used for coloring concrete blocks, paving stones, roof tiles, bricks, cement products, and decorative architectural materials due to its high durability and weather resistance.
• Paints & Coatings: Applied in industrial coatings, protective paints, primers, and architectural finishes requiring long-lasting color stability and corrosion-resistant performance.
• Plastics & Polymers: Used as a stable pigment additive for PVC, masterbatch, rubber products, and engineered plastics requiring heat and UV resistance.
• Ceramics & Building Materials: Provides consistent red coloration in ceramic tiles, pottery, and glazed products with excellent thermal stability.
• Cosmetics & Personal Care: Cosmetic-grade Iron Oxide Red is used as a safe colorant in makeup formulations such as foundations, lip products, and powders.
• Advantages Over Alternatives: Offers superior weather resistance, lower cost per coloration unit, excellent opacity, and longer service life compared with many organic pigments.

4. Competitive Advantages

• Consistent Quality Performance: Controlled manufacturing processes ensure uniform shade, particle size distribution, and reliable pigment strength across batches.
• Supply Reliability: Stable production capacity supports continuous industrial demand and long-term procurement programs.
• Global Logistics Capability: Available in export-ready packaging with flexible shipping solutions for bulk international orders.
• Cost Competitiveness: Provides an economical pigment solution with high coloring efficiency and reduced lifecycle costs.
• Environmental Benefits: Inorganic composition delivers excellent durability, reducing the need for frequent repainting or replacement of colored materials.
• Technical Support & Documentation: Available with technical data sheets (TDS), safety data sheets (SDS), quality certificates, and application guidance for industrial users.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Approximately 20–25 MT per 20-foot container (depending on packaging configuration and shipping regulations)