Hafnium(CAS 7440-58-6)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99.9% metals basis,1-10mm | Extra Pure | 1G | In Stock | 11 USD
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| 99.9% metals basis,1-10mm | Extra Pure | 5G | In Stock | 42 USD
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| 99.9% metals basis,1-10mm | Extra Pure | 25G | In Stock | 183 USD
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| 99.9% metals basis,1-10mm | Extra Pure | 100G | In Stock | 566 USD
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| 99.95% | Extra Pure | 1G | In Stock | 12 USD
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| 99.95% | Extra Pure | 5G | In Stock | 47 USD
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| 99.95% | Extra Pure | 25G | In Stock | 124 USD
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| 99.95% | Extra Pure | 100G | In Stock | 368 USD
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| 99.99%,-300mesh | Extra Pure | 1G | In Stock | 13 USD
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| 99.99%,-300mesh | Extra Pure | 5G | In Stock | 49 USD
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| 99.99%,-300mesh | Extra Pure | 25G | In Stock | 204 USD
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| 99.99%,-300mesh | Extra Pure | 100G | In Stock | 690 USD
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| 99.99%,-300mesh | Extra Pure | 500G | In Stock | 3411 USD
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| Dry powder, 99.5%, -325 mesh | RG | 1G | In Stock | 13 USD
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| Dry powder, 99.5%, -325 mesh | RG | 5G | In Stock | 52 USD
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| Dry powder, 99.5%, -325 mesh | RG | 25G | In Stock | 116 USD
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| Dry powder, 99.5%, -325 mesh | RG | 100G | In Stock | 392 USD
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| Dry powder, 99.5%, -325 mesh | RG | 500G | In Stock | 2796 USD
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| Wet powder, 99.5%, -325 mesh | RG | 1G | In Stock | 11 USD
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| Wet powder, 99.5%, -325 mesh | RG | 5G | In Stock | 43 USD
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| Wet powder, 99.5%, -325 mesh | RG | 25G | In Stock | 153 USD
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| Wet powder, 99.5%, -325 mesh | RG | 100G | In Stock | 540 USD
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| Bulk Packaging | 25KG | substantially lower unit cost than small-pack SKUs. Contact us for a fast quotation. | |||
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Quality System
Physical and chemical properties of 7440-58-6
Boiling Point |
8316 °F |
|---|---|
Decomposition |
May explosively decompose on shock, friction, or concussion. /Hafnium powder/ |
Density |
13.31 |
Exact Mass |
179.946503 |
Exposure Limits |
ACGIH: Ceiling 2 ppm OSHA: Ceiling 5 ppm(7 mg/m3) NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3) |
Melting Point |
4041 °F |
Merck |
13,4603 |
Molecular Formula |
Hf |
Molecular Weight |
178.490 |
resistivity |
29.6 μΩ-cm, 0°C |
Solubility |
Insoluble |
Stability |
Stable. Incompatible with oxygen, sulfur, strong oxidizing agents, halogens, phosphorus, strong acids. Highly flammable. |
Storage condition |
Store at +15°C to +25°C. |
Vapour Pressure |
0 mmHg (approx) |
Water Solubility |
soluble HF; slowly reacts with conc H2SO4, aqua regia [KIR80] |
Q&A for CAS 7440-58-6
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 7440-58-6
Pictograms |
 |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H250 Catches fire spontaneously if exposed to air |
Safety Data Sheet |
Download COA of 7440-58-6
Operate under the ISO 9001 system
