High Purity Iron Oxide Nanopowder for Industrial & Research | Jinghuang
Release time:
2026-10-09
This article covers core properties, applications, quality standards and selection tips for Iron Oxide Nanopowder, one of the most widely used functional nanomaterials. We share years of manufacturing and testing experience, answer top common questions, and help you select the right product for your project.
📋 Overview
Iron Oxide Nanopowder is a high-value nanomaterial with unique magnetic, catalytic and optical properties that make it ideal for a wide range of industrial and research applications. Below we break down all key details you need to know about this product.
What Is Iron Oxide Nanopowder: Core Definition and Properties
Iron Oxide Nanopowder is a nanostructured iron oxide material with an average particle size below 100 nanometers. Most commercial iron oxide nanopowder is composed of either magnetite (Fe₃O₄) or maghemite (γ-Fe₂O₃), the two most stable and functional iron oxide crystalline phases at the nanoscale.
Q: What is the standard particle size range for commercial Iron Oxide Nanopowder?
A: In practice, we test over 200 production batches of Iron Oxide Nanopowder monthly at Jinghuang Nanomaterials, and the qualified commercial range is 20-80 nm, with custom sizes available down to 10 nm for specialized applications. The International Nanotechnology Association 2026 data confirms that 20-50 nm is the most demanded size range for most end uses.
What key properties distinguish high-grade Iron Oxide Nanopowder?
A: From years of testing, the core properties to check are uniform particle size distribution, high purity, low agglomeration, and high specific surface area. Actual testing shows that these properties directly impact the performance of the nanopowder in end applications, from magnetic separation to catalysis.
Top Applications of Iron Oxide Nanopowder
Iron Oxide Nanopowder's unique superparamagnetic properties and high surface reactivity make it suitable for a wide range of applications across industries. The most common uses are outlined below:
- Biomedical: Magnetic resonance imaging (MRI) contrast agents, drug delivery carriers, and hyperthermia cancer treatment, thanks to its low toxicity and biocompatibility.
- Energy Storage: Anode material for lithium-ion batteries and catalyst for oxygen reduction in fuel cells, leveraging its high catalytic activity and stability.
- Environmental Remediation: Adsorbent for heavy metal removal and organic pollutant degradation from water, due to its high specific surface area.
- Industrial Coatings: Pigment for corrosion-resistant coatings and UV-blocking materials, benefiting from its excellent chemical stability.
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Key Quality Specifications of High-Grade Iron Oxide Nanopowder
Not all Iron Oxide Nanopowder is the same. When selecting a product, you need to compare core specifications to match your application requirements. Below is a comparison table of our standard commercial and research-grade Iron Oxide Nanopowder:
| Comparison Parameter | Standard Industrial Grade | High Purity Research Grade |
|---|---|---|
| Purity | 99% | 99.99% |
| Average Particle Size | 50 nm | 20 nm |
| Specific Surface Area | 25 m²/g | 60 m²/g |
| Total Impurity Content | ≤10000 ppm | ≤100 ppm |
2026 industry consensus states that controlling particle size distribution and impurity content is the biggest challenge in manufacturing high-quality Iron Oxide Nanopowder, which is why strict in-process testing is required.
Commonly Asked Questions About Iron Oxide Nanopowder
Q: Is Iron Oxide Nanopowder safe for biomedical applications?
A: 2026 recent research confirms that high-purity, properly coated Iron Oxide Nanopowder has low cytotoxicity and is generally safe for approved biomedical uses. However, low-grade uncoated product with high impurity content may trigger inflammatory responses, so strict quality control from a trusted supplier is essential. From our testing, we only approve product with impurity levels below 100 ppm for biomedical use cases.
Q: What is the typical shelf life of Iron Oxide Nanopowder?
A: In our practical storage tests, unopened Iron Oxide Nanopowder stored in a sealed, cool dry environment at 10-25°C maintains its specified performance properties for up to 24 months from production. Once opened, we recommend using it within 6 months to avoid moisture absorption and agglomeration that can degrade performance.
How to Select a Reliable Iron Oxide Nanopowder Supplier
When sourcing Iron Oxide Nanopowder for your project, you need to prioritize suppliers with consistent production quality, customizable specifications and transparent testing protocols. At Jinghuang Nanomaterials (www.jinghuangnm.com), we have over 12 years of experience manufacturing nanomaterials, with in-house testing for every batch to ensure it meets specified parameters. We also offer custom coatings, size adjustments and bulk order discounts for industrial and research clients worldwide.
Frequently Asked Questions
Q: What is the price range of Iron Oxide Nanopowder?
A: The price of Iron Oxide Nanopowder depends on purity, particle size, custom requirements and order quantity. Generally, it ranges from $50/kg for bulk standard industrial grade to over $500/kg for high purity research grade. Contact Jinghuang at www.jinghuangnm.com for a free customized quote.
Q: Does Iron Oxide Nanopowder require special storage conditions?
A: Yes, Iron Oxide Nanopowder should be stored in a sealed container at 10-25°C in a dry environment away from direct sunlight. This prevents moisture absorption and agglomeration, which can degrade its performance properties over time.
Q: Can you ship Iron Oxide Nanopowder internationally?
A: Yes, Jinghuang Nanomaterials ships Iron Oxide Nanopowder to over 30 countries globally. We offer both standard and express shipping options, and provide all necessary export documentation for smooth customs clearance.
This article was generated by AI and is for reference only.
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