CID 11947809

Base Information

• Chemical Name: CID 11947809
• CAS No.: 12008-21-8
• Molecular Formula: B₆La
• Molecular Weight: 203.772
• Mol file: 12008-21-8.mol

Synonyms:

Chemical Property of CID 11947809

Chemical Property:

• Appearance/Colour: white powder / granules
• Melting Point: 2530°C
• PSA: 0.00000
• Density: 4.76 g/mL at 20 °C
• LogP: -2.28480
• Water Solubility.: Insoluble in water, HCl.
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 203.965826
• Heavy Atom Count: 7
• Complexity: 0

Purity/Quality:

99.0%，99.5% ^*data from raw suppliers

Lanthanum boride (99%-La) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: [B].[B].[B].[B].[B].[B].[La]
• Uses: Lanthanum Boride is mainly made into Lanthanum Boride (LaB6) hot cathode which electronic source is used as electronic source for electron microscopy, electron-beam exposure machine. LaB6 is also used as a size/strain standard in X-ray powder diffraction to calibrate instrumental broadening of diffraction peaks. Lanthanum Boride powder can be further processed to various shapes of rods, tubes, discs and special designed form. Lanthanum boride is employed in hot cathodes, which enact and includes electron microscopes, microwave tubes, electron lithography, electron beam welding, X-ray tubes, and free electron lasers. It is administered as a size or strain standard in X-ray powder diffraction to calibrate instrumental broadening of diffraction peaks. It exercises as a superconductor. It has a great potential as a thermionic emitter in renewable energy applications. It is widely used in teleran, electronic industry, instrument, medical equipment, metallurgy and enviromental protection.

Technology Process of CID 11947809

There total 29 articles about CID 11947809 which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

lithium borohydride + lanthanum(III) fluoride (13709-38-1) → lanthanum hexaboride (12008-21-8) + hydrogen (1333-74-0) + diborane (19287-45-7)

Guidance literature:

In neat (no solvent); byproducts: LiF, LaH2; (LiBH4+1/3LaF3) mixt. (ball milled for 1-48 h) evacuated to 1E-3 Torr, heated at rate 2°C/min from room temp. to 450-600°C; DSC-TG-MS, XRD;

DOI:10.1016/j.jallcom.2010.09.066

Reference yield:

lithium borohydride + lanthanum(III) chloride (10099-58-8) → lanthanum hexaboride (12008-21-8) + hydrogen (1333-74-0) + diborane (19287-45-7)

Guidance literature:

In neat (no solvent); byproducts: LiCl, LaH2; (LiBH4+1/3LaCl3) mixt. (ball milled for 1-48 h) evacuated to 1E-3 Torr, heated at rate 2°C/min from room temp. to 450-600°C; DSC-TG-MS, XRD;

DOI:10.1016/j.jallcom.2010.09.066

Reference yield:

boron + lanthanum(III) oxide → lanthanum hexaboride (12008-21-8)

Guidance literature:

In neat (no solvent); byproducts: B2O2; 2100 K, 1 h, pelletizing (50 MPa);

upstream raw materials:

lanthanum(III) chloride heptahydrate

boron nitride

lanthanum

boron trichloride

Downstream raw materials:

tantalum monoboride

zirconium diboride

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