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structure of 7440-45-1

Cerium(CAS 7440-45-1)

CAS No.: 7440-45-1 Brand: MolBest
M. Ft.: Ce Cat. No: G1975456
M. Wt.: 140.12 MDL: MFCD00010924
Storage: Store under inert gas. Use: For laboratory research use only
UN No.: UN 2031 8 /PG II
Purity Grade Package Stock Price Quantity
99.9%, 100mesh
Documents:COASDS
Extra Pure 25G In Stock 37 USD
99.9%, 100mesh
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Extra Pure 100G In Stock 138 USD
99.9%, 100mesh
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Extra Pure 500G In Stock 665 USD
99.9%,200mesh
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Extra Pure 5G In Stock 8 USD
99.9%,200mesh
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Extra Pure 25G In Stock 36 USD
99.9%,200mesh
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Extra Pure 100G In Stock 137 USD
99.9%,200mesh
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Extra Pure 500G In Stock 658 USD
99.9%,200mesh
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Extra Pure 2.5KG In Stock 2687 USD
99.9%,1-10mm
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Extra Pure 100G In Stock 122 USD
Ce/TREM:99.9%,TREM:99% ,10-30mm,Irregular granular
Documents:COASDS
RG 100G In Stock 42 USD
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Physical and chemical properties of 7440-45-1

Appearance of Characters

powder

Boiling Point

3443 °C(lit.)

Density

6.67 g/mL at 25 °C(lit.)

Exact Mass

139.90500

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)

Melting Point

795 °C

Merck

13,2003

Molecular Formula

Ce

Molecular Weight

140.11600

resistivity

73 μΩ-cm, 20°C

Sensitivity

Air & Moisture Sensitive

Water Solubility

soluble dilute mineral acids [KIR78]

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Pictograms

Signal Word

Danger

Hazard Statements

H228 Flammable solid

Safety Data Sheet

Q&A for CAS 7440-45-1

1. How can I verify product quality?
Every batch is tested in accordance with ISO 9001 requirements. We provide a Certificate of Analysis (COA), NMR spectrum, purity report, and test methods with each shipment. Third-party retesting is supported, and we offer a full refund if our data is incorrect.

2. What is the delivery time?
Orders are shipped on the second business day via FedEx, DHL, or UPS. International deliveries typically arrive within 7 business days (subject to customs clearance).

3. What if the received product doesn’t meet quality standards?
If the product does not match the COA or has a quality issue, we will issue a full refund or replacement upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged in compliance with international regulations and shipped with an up-to-date Safety Data Sheet (SDS) to ensure safe and compliant transport.

5. Do you offer technical support?
Yes. Our technical team is available to assist with questions about product use, storage, purity requirements, applications, and more.

6. Are volume discounts available?
Yes. We offer competitive pricing for bulk orders. Please submit a quotation request, and we’ll provide a customized offer.

7. Do you provide samples?
Yes, samples are available for select products for testing and validation. Please submit a sample request or contact our sales team to confirm availability and specifications.

8. Do you have products in stock?
Items marked “In Stock” on our website are ready 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 purity, packaging size, and special testing requirements. Please share your detailed needs, and we’ll provide a solution.

10. Is the COA consistent with the shipped batch?
Yes. The COA provided with your shipment matches the actual batch and includes the batch number. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer stable batch consistency, pricing agreements, and safety stock options for long-term customers to ensure uninterrupted supply.

12. What payment methods do you accept?
We accept bank transfer (T/T), PayPal, and other methods. Credit terms may be available for qualified long-term partners.

Applications of 7440-45-1

Cerium has a wide range of applications due to its unique properties:

  • Catalysts: Cerium(IV) oxide is used in catalytic converters for automobiles to reduce harmful emissions.
  • Glass Polishing: Cerium oxide serves as a polishing agent for glass due to its hardness.
  • Alloys: It is used in various alloys to improve oxidation resistance and enhance mechanical properties.
  • Lighter Flints: Misch metal, an alloy containing cerium, is commonly used in lighter flints due to its pyrophoric nature.

Retrosynthesis analysis of 7440-45-1


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