Gold(CAS 7440-57-5)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99.99%,powder | Extra Pure | 100MG | In Stock | 46 USD
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| 99.99%,powder | Extra Pure | 250MG | In Stock | 97 USD
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| 99.99%,powder | Extra Pure | 1G | In Stock | 383 USD
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| 99.99%,powder | Extra Pure | 5G | In Stock | 1902 USD
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Available NMR Spectrum
Verified In Stock
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Quality System
Applications of 7440-57-5
Gold's unique properties lend themselves to a wide range of applications:
- Jewelry: Approximately 75% of mined gold is used in jewelry due to its aesthetic appeal and resistance to tarnish.
- Electronics: Gold is used for plating electrical contacts due to its excellent conductivity and resistance to corrosion.
- Medicine: Gold compounds are employed in treating rheumatoid arthritis and are being researched for potential cancer therapies.
- Nanotechnology: Gold nanoparticles are utilized in drug delivery systems, imaging, and diagnostics due to their biocompatibility and ease of functionalization.
Physical and chemical properties of 7440-57-5
Boiling Point |
2700 deg C |
|---|---|
Density |
19.3 |
Exact Mass |
196.966507 |
Exposure Limits |
NIOSH: IDLH 25 mg/m3 |
Flash Point |
4 °C |
Index of Refraction |
n20/589.3 1.523 |
Melting Point |
1064.76 deg C |
Merck |
13,4529 |
Molecular Formula |
Au |
Molecular Weight |
196.967 |
Odor |
No odor |
pH |
6-8 |
pH Range |
6 - 8 |
resistivity |
2.05 μΩ-cm, 0°C |
Sensitivity |
Light Sensitive |
Stability |
Stable. May react with halogens, strong oxidizing agents, ammonia, hydrogen peroxide. Reaction with ammonia or hydrogen peroxide may form explosive materials. |
Storage condition |
2-8°C |
Vapour Pressure |
VP: 1 Pa @ 1373 °C; 10 Pa @ 1541 °C; 100 Pa at 1748 °C; 1 kPa @ 2008 °C; 10 kPa @ 2347 °C; 100 kPa @ 2805 °C |
Water Solubility |
H2O: soluble |
Retrosynthesis analysis of 7440-57-5
Q&A for CAS 7440-57-5
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 COA of 7440-57-5
Operate under the ISO 9001 system