Red Oxide
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Red Oxide is a high-purity synthetic iron oxide pigment that offers a deep red hue with excellent opacity, dispersibility, and weather resistance. It is widely used in the coatings, construction, plastics, rubber, ceramic, and ink industries for its color stability, non-toxicity, and resistance to UV light and chemicals. Red Oxide S130 is finely milled for consistent performance and is suitable for both indoor and outdoor applications. Its chemical inertness and thermal stability make it ideal for demanding environments requiring long-lasting coloration.
Description
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Red Oxide
Primary Uses
- Paints & Coatings
- Used in anticorrosive metal primers for steel structures, tanks, machinery, and marine applications.
- Incorporated into protective and industrial coatings requiring long-term UV and weather resistance.
- Employed in architectural paints for residential, commercial, and industrial surfaces.
- Suitable for powder coatings and coil coatings with excellent pigment dispersion and heat resistance.
- Construction Materials
- Added to concrete, cement, tiles, pavers, and plasters for permanent coloration.
- Used in roofing tiles, decorative concrete, and precast elements for long-term UV and weather durability.
- Provides consistent red color in grouts, stucco, and architectural facades.
- Plastics Industry
- Used to color PVC, polyethylene, polypropylene, and other thermoplastics.
- Suitable for pipe fittings, containers, and profiles where colorfastness and heat resistance are needed.
- Ceramics & Refractories
- Employed in ceramic glazes, terracotta products, and roof tiles for rich red coloration.
- Maintains stability and color consistency at high kiln firing temperatures.
- Printing Inks
- Used in flexographic, screen, and offset printing inks for bold and durable red coloration on paper, textiles, and plastics.
Secondary Uses
- Rubber Compounding
- Applied in rubber seals, soles, and molded parts where UV- and weather-resistant red color is required.
- Art & Decorative Supplies
- Used in oil paints, pastels, and acrylics for a natural earth-red tone.
- Popular in restoration and heritage conservation projects for historically accurate pigment use.
- Paper Manufacturing
- Used in tinted and decorative papers, boards, and packaging where a red hue is desired.
- Cosmetics (if cosmetic-grade)
- When refined to cosmetic grade, used in lipsticks, blushes, and eye shadows as an FDA/EFSA-approved iron oxide pigment. (Note: S130 in industrial grade is not cosmetic-certified.)
- Education & R&D
- Utilized in laboratories and training facilities for pigment research, dispersion testing, and formulation development.
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Chemical Name (IUPAC): Iron(III) oxide
- Common/Trade Name: Red Oxide S130
- CAS Number: 1309-37-1
- HS Code: 2821.10.00
- Synonyms: Ferric oxide, synthetic red iron oxide, Fe₂O₃
2. Physical & Chemical Properties
- Physical State: Fine powder
- Color & Odor: Deep red; odorless
- Solubility: Insoluble in water and most solvents
- Density: ~5.0–5.2 g/cm³
- Oil Absorption: Moderate (depends on particle size and surface area)
- Particle Size: Micronized for high dispersion in multiple media
- Thermal Stability: Excellent; stable up to 1000°C
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous under typical use
- Toxicity: Non-toxic in standard industrial and consumer applications
- Exposure Limits: Avoid inhalation of airborne dust; apply dust control measures
4. Storage & Handling Attributes
- Storage Conditions: Store in cool, dry, and well-ventilated areas away from moisture and acids
- Container Type: Poly-lined paper bags, HDPE drums, or moisture-resistant containers
- Shelf Life: Indefinite if stored properly
- Handling Precautions: Avoid generating dust; use PPE during handling
5. Regulatory & Compliance Attributes
- Complies with: ASTM D769 for synthetic iron oxide pigments
- May conform to: REACH, RoHS, and other international pigment safety standards
- May meet requirements for eco-friendly and lead-free pigment formulations
6. Environmental & Health Impact
- Biodegradability: Not biodegradable; inert substance
- Ecotoxicity: Low; safe for controlled industrial and construction applications
- Bioaccumulation: Not expected
- Waste Disposal: Dispose of in compliance with local environmental regulations; generally treated as non-hazardous solid waste
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Dust mask or respirator, chemical-resistant gloves, safety goggles
- Handling Guidelines: Work in ventilated areas; minimize airborne dust
- Storage Measures: Keep containers tightly closed and stored in a dry environment away from direct sunlight and humidity
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if breathing is affected
- Skin Contact: Wash with soap and water; seek medical help if irritation persists
- Eye Contact: Rinse thoroughly with water for at least 15 minutes; get medical attention if discomfort continues
- Ingestion: Rinse mouth with water; not expected to be toxic, but consult a medical professional
Firefighting Measures
- Fire Hazards: Non-combustible and non-flammable
- Extinguishing Media: Use water spray, CO₂, foam, or dry chemical based on surrounding fire
- Special Precautions: Use protective gear when firefighting around packaging materials
- Hazardous Combustion Products: None from pigment; packaging may emit CO and CO₂
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