Aluminum(III) Oxide(CAS 1344-28-1)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99%,gamma-phase,20nm | nanoscale | 100G | In Stock | 8 USD
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| 99%,gamma-phase,20nm | nanoscale | 500G | In Stock | 36 USD
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| 99%,gamma-phase,20nm | nanoscale | 2.5KG | In Stock | 139 USD
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| 99%,gamma-phase,20nm | nanoscale | 10KG | In Stock | 532 USD
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| 99.5%+, activated alumina spheres (γ phase), 1.8mm, BET>200m²/g, Na<0.1%, used as catalyst support and adsorption. | nanoscale | 100G | In Stock | 9 USD
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| 99.5%+, activated alumina spheres (γ phase), 1.8mm, BET>200m²/g, Na<0.1%, used as catalyst support and adsorption. | nanoscale | 500G | In Stock | 34 USD
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| 99.9%,alpha-phase,30nm | Extra Pure | 5G | In Stock | 5 USD
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| 99.9%,alpha-phase,30nm | Extra Pure | 25G | In Stock | 7 USD
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| 99.9%,alpha-phase,30nm | Extra Pure | 500G | In Stock | 49 USD
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| 99.9%,gamma-phase,30nm | Extra Pure | 25G | In Stock | 4 USD
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| 99.9%,gamma-phase,30nm | Extra Pure | 100G | In Stock | 8 USD
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| 99.9%,gamma-phase,30nm | Extra Pure | 500G | In Stock | 23 USD
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| 99.9%,gamma-phase,30nm | Extra Pure | 2.5KG | In Stock | 100 USD
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| 99.99%,gamma-phase,10nm | Extra Pure | 25G | In Stock | 5 USD
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| 99.99%,gamma-phase,10nm | Extra Pure | 100G | In Stock | 10 USD
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| 99.99%,gamma-phase,10nm | Extra Pure | 500G | In Stock | 41 USD
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| 99.99%,gamma-phase,10nm | Extra Pure | 2.5KG | In Stock | 120 USD
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| 99.99%,gamma-phase,10nm | Extra Pure | 10KG | In Stock | 746 USD
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| 99.999%,powder | Ultra Pure | 5G | In Stock | 3 USD
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| 99.999%,powder | Ultra Pure | 25G | In Stock | 7 USD
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| 99.999%,powder | Ultra Pure | 100G | In Stock | 11 USD
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| 99.999%,powder | Ultra Pure | 500G | In Stock | 42 USD
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| 99.999%,powder | Ultra Pure | 2.5KG | In Stock | 131 USD
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| Alpha phase single crystal, D50: 20±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 25G | In Stock | 9 USD
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| Alpha phase single crystal, D50: 20±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 100G | In Stock | 18 USD
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| Alpha phase single crystal, D50: 20±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 500G | In Stock | 71 USD
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| Alpha phase single crystal, D50: 20±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 2.5KG | In Stock | 564 USD
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| Alpha phase single crystal, green phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 25G | In Stock | 10 USD
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| Alpha phase single crystal, green phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 100G | In Stock | 24 USD
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| Alpha phase single crystal, green phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 500G | In Stock | 93 USD
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| Alpha phase single crystal, green phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 2.5KG | In Stock | 727 USD
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| Alpha-phase single-crystal form, blue phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 25G | In Stock | 10 USD
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| Alpha-phase single-crystal form, blue phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 100G | In Stock | 24 USD
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| Alpha-phase single-crystal form, blue phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 500G | In Stock | 153 USD
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| Alpha-phase single-crystal form, blue phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 2.5KG | In Stock | 727 USD
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| Alpha-phase single-crystal form, blue phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 25G | In Stock | 8 USD
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| Alpha-phase single-crystal form, blue phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 100G | In Stock | 19 USD
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| Alpha-phase single-crystal form, blue phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 500G | In Stock | 91 USD
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| Alpha-phase single-crystal form, blue phase, D50: 15±2μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 2.5KG | In Stock | 632 USD
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| Alpha-phase single-crystal form, green phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 25G | In Stock | 10 USD
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| Alpha-phase single-crystal form, green phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 100G | In Stock | 24 USD
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| Alpha-phase single-crystal form, green phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 500G | In Stock | 153 USD
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| Alpha-phase single-crystal form, green phase, D50: 10±3μm, longitudinal thickness <0.5μm, Al₂O₃ 97.5%+ | RG | 2.5KG | In Stock | 727 USD
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Available NMR Spectrum
Verified In Stock
Fast Shipping ISO 9001
Quality System
Applications of 1344-28-1
| Industry | Application | Process |
|---|---|---|
| Refractories | Used in manufacturing high-temperature furnace linings, refractory bricks, and crucibles | High-temperature sintering, shaping, and calcination |
| Ceramics | Added to ceramics to enhance hardness and wear resistance | Uniform mixing and high-temperature sintering |
| Petrochemicals | Employed as a catalyst support (e.g., for hydrocracking catalysts) | Impregnation, drying, and calcination |
| Electronics | Used in semiconductor packaging, insulating materials, and substrate materials | Fine powder preparation and thin-film deposition |
| Automotive | Applied as a support for automotive exhaust gas purification catalysts | Impregnation-based loading of noble metal catalysts |
| Medical | Utilized in dental materials and artificial bone grafts | Biocompatibility treatment and compaction molding |
| Environmental Protection | Applied as an adsorbent in water treatment for removal of heavy metal ions | Adsorption, regeneration, and filtration |
| Papermaking | Added as a filler to improve paper whiteness and opacity | Mixing and dispersion, coating process |
| Food | Used as a food additive (E556) for anti-caking purposes | Powderization and purification |
| Chemical Synthesis | Employed as a catalyst or reaction intermediate | Catalytic reaction and chemical transformation |
Physical and chemical properties of 1344-28-1
Boiling Point |
5396 °F |
|---|---|
Density |
4.0 |
Exact Mass |
101.947823 |
Exposure Limits |
ACGIH: TWA 1 mg/m3 OSHA: TWA 15 mg/m3; TWA 5 mg/m3 |
Flash Point |
2980°C |
Index of Refraction |
Index of refraction: 1.768, 1.760 |
LogP |
0.31860 |
Melting Point |
3632 °F |
Merck |
14,356 |
Molecular Formula |
Al2O3 |
Molecular Weight |
101.961 |
Odor |
Odorless |
pH |
7.0±0.5 ( in H2O) |
pH Range |
3.5 - 4.5 |
Solubility |
Insoluble |
Storage condition |
-20°C |
Vapour Pressure |
0 mmHg (approx) |
Water Solubility |
INSOLUBLE |
Q&A for CAS 1344-28-1
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 1344-28-1
Pictograms |
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|---|---|
Signal Word |
Danger |
Hazard Statements |
H335 May cause respiratory irritation H372 Causes damage to organs through prolonged or repeated exposure |
Safety Data Sheet |
Download COA of 1344-28-1
Operate under the ISO 9001 system

