Gadolinium(CAS 7440-54-2)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99.9%,200mesh,powder | Extra Pure | 5G | In Stock | 4 USD
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| 99.9%,200mesh,powder | Extra Pure | 25G | In Stock | 20 USD
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| 99.9%,200mesh,powder | Extra Pure | 100G | In Stock | 75 USD
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| 99.9%,200mesh,powder | Extra Pure | 500G | In Stock | 242 USD
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| 99.9%,200mesh,powder | Extra Pure | 2.5KG | In Stock | 2209 USD
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| 99.9%,blocky | Extra Pure | 5G | In Stock | 5 USD
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| 99.9%,blocky | Extra Pure | 25G | In Stock | 13 USD
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| 99.9%,blocky | Extra Pure | 100G | In Stock | 111 USD
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| 99.9%,blocky | Extra Pure | 500G | In Stock | 544 USD
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| 99.9%,blocky | Extra Pure | 2.5KG | In Stock | 2611 USD
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Applications of 7440-54-2
Gadolinium has diverse applications across various fields:
- Medical Imaging: Used as a contrast agent in MRI scans.
- Nuclear Reactors: Employed as control rods due to its high neutron absorption cross-section.
- Electronic Devices: Utilized in phosphors for color television sets and fluorescent lamps.
- Magnetic Materials: Incorporated into alloys for high-temperature superconductors and magnetic materials like yttrium gadolinium garnet .
Physical and chemical properties of 7440-54-2
Boiling Point |
3273 °C |
|---|---|
Density |
Crystalline forms: hexagonal close-packed, alpha-form, density: 7.886, transforms to beta-form at 1262 °C; body-centered cubic, beta-form exists at >1262 °C; heat of fusion: 10.05 kJ/mol; heat of sublimation: at 25 °C: 397.5 kJ/mol |
Exact Mass |
157.924103 |
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 |
3266°C |
Melting Point |
1313 °C |
Merck |
13,4347 |
Molecular Formula |
Gd |
Molecular Weight |
157.250 |
resistivity |
126 μΩ-cm, 20°C |
Sensitivity |
Air & Moisture Sensitive |
Solubility |
Soluble in dilute acid |
Stability |
Stable. Powder is highly flammable. Incompatible with strong oxiziding agents, halogens, acids. Powder may react with water or moisture. |
Vapour Pressure |
5.7X10-10 Pa at 1000 K; 1.54X10-6 Pa at 1200 K; 0.000429 Pa at 1400 K; 0.0279 Pa at 1600 K; 0.618 Pa at 1800 K; 7.39 Pa at 2000 K; 56.2 Pa at 2200 K (calculated) |
Water Solubility |
Soluble in magnesium and diluted acid. Insoluble in water. |
Q&A for CAS 7440-54-2
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 7440-54-2
Pictograms |
 |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H228 Flammable solid H261 In contact with water releases flammable gas |
Safety Data Sheet |
Download COA of 7440-54-2
Operate under the ISO 9001 system
