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| CAS No.: | 12060-58-1 |
|---|---|
| Name: | Samarium oxide |
| Molecular Structure: | |
|
|
| Formula: | Sm2O3 |
| Molecular Weight: | 348.72 |
| Synonyms: | Disamariumtrioxide;Samaria;Samarium oxide (SmO1.5);Samariumsesquioxide;Samarium trioxide;Samarium(3+) oxide;Samarium(III) oxide; |
| EINECS: | 235-043-6 |
| Density: | 8.35 g/mL at 25 °C(lit.) |
| Melting Point: | 2325 °C |
| Appearance: | light beige crystalline powder |
| Safety: | 22-24/25 |
| PSA: | 43.37000 |
| LogP: | -0.30600 |
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Chemistry
Molecular Structure:
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Molecular Formula: O3Sm2
Molecular Weight: 348.7182
IUPAC Name: oxygen(2-); samarium(3+)
Synonyms of Samarium oxide (CAS NO.12060-58-1): Disamarium trioxide ; EINECS 235-043-6 ; Samaria ; Samarium sesquioxide ; Samarium trioxide ; Samarium(3+) oxide ; Samarium(III) oxide ; Samarium oxide (Sm2O3)
CAS NO: 12060-58-1
Product Categories: Inorganics ; 62: Sm ; SamariumNanomaterials ; Nanomaterials ; Nanoparticles: Oxides, Nitrides, and Other CeramicsChemical Synthesis ; Nanopowders and Nanoparticle Dispersions ; Alternative Energy ; Catalysis and Inorganic Chemistry ; ElectrolytesChemical Synthesis ; Materials Science ; Oxides ; Samarium ; SamariumMetal and Ceramic Science ; Chemical Synthesis
Melting point: 2325 °C
H bond acceptors: 3
Freely Rotating Bonds: 2
Polar Surface Area: 43.37 Å2
Density: 8.35 g/mL at 25 °C
Refractive index: 1.97
Form: nanopowder
Uses
Samarium oxide (CAS NO.12060-58-1) is used in optical and infrared absorbing glass to absorb infrared radiation. And it can be used as a neutron absorber in control rods for nuclear power reactors.
Production
1. thermal decomposition of Samarium oxide (CAS NO.12060-58-1), nitrate, oxalate or sulfate:
Sm2(CO3)3 → Sm2O3 + 3CO2
2. by burning the metal in air or oxygen at a temperature above 150 °C:
4Sm + 3O2 → 2Sm2O3
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | > 5gm/kg (5000mg/kg) | Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 627, 1993. |
Safety Profile
Safety Statements of Samarium oxide (CAS NO.12060-58-1): 22-24/25
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 2
RTECS: VP3153000
F: 3-10-34