Description Uses References
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Samarium oxide

Description Uses References
Samarium oxide Structure
Samarium oxide
  • CAS No.12060-58-1
  • Chemical Name:Samarium oxide
  • CBNumber:CB5743142
  • Molecular Formula:O3Sm2
  • Formula Weight:348.72
  • MOL File:12060-58-1.mol
Samarium oxide Property
  • Melting point: :2325 °C
  • Density  :8.35 g/mL at 25 °C(lit.)
  • refractive index  :1.97
  • storage temp.  :no restrictions.
  • form  :nanopowder
  • color  :Violet
  • Specific Gravity :8.347
  • PH :8.0 (10g/l, H2O, 25℃)(slurry)
  • Water Solubility  :Insoluble in water.
  • Merck  :14,8347
  • InChIKey :PRCWVHVINXAFRG-UHFFFAOYSA-N
  • CAS DataBase Reference :12060-58-1(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :91N8739X2N
  • EPA Substance Registry System :Samarium oxide (Sm2O3) (12060-58-1)
Safety
  • Safety Statements  :22-24/25
  • WGK Germany  :2
  • RTECS  :VP3153000
  • F  :3-10-34
  • TSCA  :Yes
  • HS Code  :28469019
  • Toxicity :LD50 orally in Rabbit: > 5000 mg/kg
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements
Samarium oxide Price More Price(25)
  • Brand: Sigma-Aldrich
  • Product number: 228672
  • Product name : Samarium(III) oxide
  • Purity: 99.9% trace metals basis
  • Packaging: 10g
  • Price: $67.6
  • Updated: 2021/03/22
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  • Brand: Sigma-Aldrich
  • Product number: 1.12321
  • Product name : Samarium(III) oxide
  • Purity: 99+
  • Packaging: 10 g
  • Price: $91.94
  • Updated: 2021/03/22
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  • Brand: Sigma-Aldrich
  • Product number: 228672
  • Product name : Samarium(III) oxide
  • Purity: 99.9% trace metals basis
  • Packaging: 100g
  • Price: $396
  • Updated: 2021/03/22
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  • Brand: Alfa Aesar
  • Product number: 010915
  • Product name : Samarium(III) oxide, REacton?, 99.998% (metals basis), REM 100ppm
  • Purity: 
  • Packaging: 5g
  • Price: $60.8
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 010915
  • Product name : Samarium(III) oxide, REacton?, 99.998% (metals basis), REM 100ppm
  • Purity: 
  • Packaging: 25g
  • Price: $209
  • Updated: 2021/03/22
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Samarium oxide Chemical Properties,Usage,Production

  • Description As a highly insoluble thermally stable Samarium source, Samarium Oxalate has specialized applications in glass, ceramic, phosphors, lasers, and thermoelectric devices, etc. Another essential application of Samarium and its compounds is used as catalyst and chemical reagent, which is effective to catalyze dehydration of acyclic primary alcohols to aldehydes and ketones. In its usual oxidized form, Samarium can be added to ceramics, optical and infrared absorbing glass in which it increases absorption of infrared radiation. It has also proved to be used as a neutron absorber in control rods for nuclear power reactors.
    Besides, Samarium oxide can be used in preparation of other samarium salts upon evaporation and crystallization by dissolving in mineral acids. Samarium oxide is acquired by burning the metal in air or oxygen over 150℃ or by decomposing samarium carbonate, nitrate, oxalate or sulfate thermally.
  • Uses Samarium Oxide, also called Samaria, Samarium has a high neutron absorption capacity, Samarium Oxides have specialized uses in glass, phosphors, lasers, and thermoelectric devices. Calcium Chloride crystals treated with Samarium have been employed in lasers which produce beams of light intense enough to burn metal or bounce off the moon. Samarium Oxide is used in optical and infrared absorbing glass to absorb infrared radiation. Also, it is used as a neutron absorber in control rods for nuclear power reactors. The Oxide catalyzes dehydration of acyclic primary alcohols to aldehydes and ketones. Another use involves preparation of other Samarium salts.
  • References https://en.wikipedia.org/wiki/Samarium(III)_oxide
    http://www.metall.com.cn/sm.htm
    http://www.reade.com/products/samarium-oxide-sm2o3
    https://www.americanelements.com/samarium-oxide-12060-58-1
  • Chemical Properties light beige crystalline powder
  • Physical properties Yellowish-white powder; density 8.347g/cm3; insoluble in water; dissolves readily in mineral acids.
  • Uses Samarium sesquioxide is used in optical and infrared absorbing glass to absorb infrared radiation. Also, it is used as a neutron absorber in control rods for nuclear power reactors. The oxide catalyzes dehydration of acyclic primary alcohols to aldehydes and ketones. Another use involves preparation of other samarium salts.
  • Preparation Samarium sesquioxide may be prepared by two methods; (1) thermal decomposition of samarium carbonate, hydroxide, nitrate, oxalate or sulfate:
    Sm2(CO3)3 → Sm2O3 + 3CO2
    2Sm(OH)3 → Sm2O3 + 3H2O
    or (2) by burning the metal in air or oxygen at a temperature above 150°C:
    4Sm + 3O2 → 2Sm2O3.
Samarium oxide Preparation Products And Raw materials
Raw materials
Preparation Products
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