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.

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Category: Pigments Tags: Ferric Oxide Pigment, Iron Oxide Colorant, Red Oxide S130, Red Pigment Powder, Synthetic Red Iron Oxide

Description

Table of Contents

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