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Samarium oxide CAS 12060-58-1 disamariumtrioxide samaria samarium 3+ oxide samariumoxide sm2o3 

Payment Terms: T/T,L/C,D/A 
Place of Origin: Sichuan, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: According to customer requi...
Brand Name: MOSINTER
CAS: 12060-58-1
Purity: 99%~99.9999%
Molecular Formula: Sm2O3
Molecular weight: 348.72
Alias: disamariumtrioxide
Production Capacity: 50T/Year
Delivery Date: with 7 days
TREO: ≥99%
Appearance: Light yellow solid powder
Melting point: 2325 °C
Density: 8.35 g/mL at 25 °C(lit.)

Samarium(III) oxide is used in optical and infrared absorbing glass to absorb infrared radiation.

Samarium oxide (CAS:12060-58-1)

Main Component : Sm2O3/REO≥99.9%

RE Impurities %

Non—RE Impurities %

La2O3/REO      <0.02

Fe2O3          30 

CeO2/REO       <0.02

SiO2            66 

Pr6O11/REO      0.25

CaO            82 

Nd2O3/REO      <0.02

Cl-             300  

Eu2O3/REO      <0.02

L.O.I           1.0 MAX

Gd2O3/REO      <0.02

TREO          99.0%

Tb4O7/REO       <0.02

Dy2O3/REO       <0.02

Ho2O3/REO        0.05

Er2O3/REO       <0.02

Tm2O3/REO        0.03

Yb2O3/REO        <0.02

Lu2O3/REO        <0.02

Y2O3/REO           0.07

Main Component : Sm2O3/REO≥99.99%

RE Impurities PPM(MAX)

Non—RE Impurities PPM(MAX)

Pr6O11/REO          10

Fe2O3          5

Nd2O3/REO          10 

SiO2          20

Eu2O3/REO          10

CaO           40

Gd2O3/REO          10

Cl-           100

Tb4O7/REO          10

L.O.I         0.55% 

Dy2O3/REO          10

TREO          99.21%

Ho2O3/REO          10

Er2O3/REO          10

Tm2O3/REO          10

Yb2O3/REO          10

Lu2O3/REO          10

Y2O3/REO            10

Samarium oxide is a light yellow solid powder, insoluble in water, soluble in acid. Easy to absorb moisture and carbon dioxide in the air.


Samarium(III) 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.

Package:50 kg/drum, inner double plastic bag; Or 50 kg/bag, double plastic bag; Can also according to customer requirements packaging.

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