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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
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RG 100G In Stock 42 USD
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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.

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]

Retrosynthesis analysis of 7440-45-1


Q&A for CAS 7440-45-1

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.

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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.

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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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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.

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Download SDS of 7440-45-1

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Signal Word

Danger

Hazard Statements

H228 Flammable solid

Safety Data Sheet

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Operate under the ISO 9001 system