Tungsten(CAS 7440-33-7)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99.9%,200nm,powder | Extra Pure | 5G | In Stock | 11 USD
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| 99.9%,200nm,powder | Extra Pure | 25G | In Stock | 28 USD
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| 99.9%,200nm,powder | Extra Pure | 100G | In Stock | 84 USD
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| 99.9%,200nm,powder | Extra Pure | 500G | In Stock | 466 USD
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| 99.9%,200nm,powder | Extra Pure | 2.5KG | In Stock | 1819 USD
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| 99.9%,50nm | Extra Pure | 1G | In Stock | 5 USD
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| 99.9%,50nm | Extra Pure | 5G | In Stock | 13 USD
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| 99.9%,50nm | Extra Pure | 25G | In Stock | 38 USD
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| 99.9%,50nm | Extra Pure | 100G | In Stock | 96 USD
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| 99.9%,50nm | Extra Pure | 500G | In Stock | 527 USD
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| 99.95%,1-3μm | Extra Pure | 25G | In Stock | 12 USD
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| 99.95%,1-3μm | Extra Pure | 100G | In Stock | 22 USD
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| 99.95%,1-3μm | Extra Pure | 500G | In Stock | 132 USD
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| 99.95%,1-3μm | Extra Pure | 2.5KG | In Stock | 620 USD
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| 99.95%,1-3μm | Extra Pure | 10KG | In Stock | 2416 USD
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| 99.95%,325mesh | Extra Pure | 25G | In Stock | 11 USD
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| 99.95%,325mesh | Extra Pure | 100G | In Stock | 23 USD
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| 99.95%,325mesh | Extra Pure | 500G | In Stock | 82 USD
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| 99.95%,325mesh | Extra Pure | 2.5KG | In Stock | 493 USD
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| 99.95%,325mesh | Extra Pure | 10KG | In Stock | 1724 USD
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| 99.95%,40mesh | Extra Pure | 1KG | In Stock | 822 USD
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| 99.99% | Extra Pure | 25G | In Stock | 25 USD
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| 99.99% | Extra Pure | 100G | In Stock | 98 USD
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| 99.99% | Extra Pure | 500G | In Stock | 478 USD
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| 99.99%,5-25μm,powder,spherical | Extra Pure | 5G | In Stock | 8 USD
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| 99.99%,5-25μm,powder,spherical | Extra Pure | 25G | In Stock | 17 USD
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| 99.99%,5-25μm,powder,spherical | Extra Pure | 100G | In Stock | 49 USD
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| 99.99%,5-25μm,powder,spherical | Extra Pure | 500G | In Stock | 299 USD
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| 99.99%,5-25μm,powder,spherical | Extra Pure | 2.5KG | In Stock | 1463 USD
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| powder,99.95%,200mesh | Extra Pure | 25G | In Stock | 11 USD
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| powder,99.95%,200mesh | Extra Pure | 100G | In Stock | 20 USD
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| powder,99.95%,200mesh | Extra Pure | 500G | In Stock | 78 USD
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| powder,99.95%,200mesh | Extra Pure | 2.5KG | In Stock | 442 USD
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| powder,99.95%,200mesh | Extra Pure | 10KG | In Stock | 1561 USD
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Available NMR Spectrum
Verified In Stock
Fast Shipping ISO 9001
Quality System
Applications of 7440-33-7
Tungsten's unique properties lend themselves to various applications:
- Cutting Tools: Tungsten carbide is widely used in manufacturing cutting tools due to its hardness.
- Electronics: Tungsten filaments are used in light bulbs and electron emitters due to their high melting point.
- Aerospace: Used in components that require high-temperature resistance, such as rocket nozzles and combustion chambers .
- Alloys: Tungsten is alloyed with other metals to enhance strength and resistance to wear .
Physical and chemical properties of 7440-33-7
Boiling Point |
10,701 °F |
|---|---|
Density |
19.3 |
Exact Mass |
183.95100 |
Exposure Limits |
ACGIH: TWA 2 ppm; STEL 4 ppm OSHA: TWA 2 ppm(5 mg/m3) NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3) |
Flash Point |
-23ºC |
Melting Point |
6170 °F |
Merck |
13,9884 |
Molecular Formula |
W |
Molecular Weight |
183.84000 |
resistivity |
4.9 μΩ-cm, 20°C |
Stability |
Stable. Dust is flammable, though not likely to present a hazard if normal good practice is used. |
Storage condition |
no restrictions. |
Vapour Pressure |
0 mmHg (approx) |
Water Solubility |
insoluble |
Retrosynthesis analysis of 7440-33-7
Q&A for CAS 7440-33-7
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 7440-33-7
Pictograms |
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|---|---|
Signal Word |
Danger |
Hazard Statements |
H228 Flammable solid H252 Self-heating in large quantities; may catch fire |
Safety Data Sheet |
Download COA of 7440-33-7
Operate under the ISO 9001 system
Cas:13862-78-7
