Lanthanum Selenide
ORDER
Product | Product Code | ORDER | SAFETY DATA | Technical data |
---|---|---|---|---|
(5N) 99.999% Lanthanum Selenide Ingot | LA-SE-05-I | Pricing Add to cart only | SDS > | Data Sheet > |
(5N) 99.999% Lanthanum Selenide Lump | LA-SE-05-L | Pricing Add to cart only | SDS > | Data Sheet > |
(5N) 99.999% Lanthanum Selenide Powder | LA-SE-05-P | Pricing Add to cart only | SDS > | Data Sheet > |
(5N) 99.999% Lanthanum Selenide Wafer | LA-SE-05-WF | Pricing Add to cart only | SDS > | Data Sheet > |
(5N) 99.999% Lanthanum Selenide Sputtering Target | LA-SE-05-ST | Pricing Add to cart only | SDS > | Data Sheet > |
Lanthanum Selenide Properties (Theoretical)
Compound Formula | La2Se3 |
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Molecular Weight | 514.6909 |
Appearance | solid |
Melting Point | N/A |
Boiling Point | N/A |
Density | N/A |
Solubility in H2O | N/A |
Exact Mass | 517.562261 |
Monoisotopic Mass | 517.562256 Da |
Lanthanum Selenide Health & Safety Information
Signal Word | N/A |
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Hazard Statements | N/A |
Hazard Codes | N/A |
Risk Codes | N/A |
Safety Statements | N/A |
Transport Information | N/A |
About Lanthanum Selenide

Synonyms
Lanthanum selenide (La2Se3); Dilanthanum triselenide; lanthanum selenide (2:3)
Chemical Identifiers
Linear Formula | La2./sub>Se3./sub> |
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Pubchem CID | 165997 |
MDL Number | N/A |
EC No. | 234-753-3 |
IUPAC Name | lanthanum(3+); selenium(2-) |
Beilstein/Reaxys No. | N/A |
SMILES | [La+3].[La+3].[Se-2].[Se-2].[Se-2] |
InchI Identifier | InChI=1S/2La.3Se/q2*+3;3*-2 |
InchI Key | OPSQCCUNFWHTPJ-UHFFFAOYSA-N |
Chemical Formula | |
Molecular Weight | |
Standard InchI | |
Appearance | |
Melting Point | |
Boiling Point | |
Density |
Related Applications, Forms & Industries for Lanthanum Selenide
Packaging Specifications
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.
Related Elements
See more Lanthanum products. Lanthanum (atomic symbol: La, atomic number: 57) is a Block F, Group 3, Period 6 element with an atomic weight of 138.90547. The number of electrons in each of lanthanum's shells is [2, 8, 18, 18, 9, 2] and its electron configuration is [Xe] 5d1 6s2. The lanthanum atom has a radius of 187 pm and a Van der Waals radius of 240 pm. Lanthanum was first discovered by Carl Mosander in 1838. In its elemental form, lanthanum has a silvery white appearance.
It is a soft, malleable, and ductile metal that oxidizes easily in air. Lanthanum is the first element in the rare earth or lanthanide series. It is the model for all the other trivalent rare earths and it is the second most abundant of the rare earths after cerium. Lanthanum is found in minerals such as monazite and bastnasite. The name lanthanum originates from the Greek word Lanthaneia, which means 'to lie hidden'.
See more Selenium products. Selenium (atomic symbol: Se, atomic number: 34) is a Block P, Group 16, Period 4 element with an atomic radius of 78.96. The number of electrons in each of Selenium's shells is 2, 8, 18, 6 and its electron configuration is [Ar] 3d10 4s2 4p4. The selenium atom has a radius of 120 pm and a Van der Waals radius of 190 pm. Selenium is a non-metal with several allotropes: a black, vitreous form with an irregular crystal structure three red-colored forms with monoclinic crystal structures and a gray form with a hexagonal crystal structure, the most stable and dense form of the element.
One of the most common uses for selenium is in glass production the red tint that it lends to glass neutralizes green or yellow tints from impurities in the glass materials. Selenium was discovered and first isolated by Jöns Jakob Berzelius and Johann Gottlieb Gahn in 1817. The origin of the name Selenium comes from the Greek word "Selênê," meaning moon.
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