λ2-lanthanum(2+) ion pentacyclo[3.1.0.01,3.02,4.04,6]hexaborane-1,4-diuide

• ChemBase ID: 128017
• Molecular Formular: B6La
• Molecular Mass: 203.7715
• Monoisotopic Mass: 204.9621854
• SMILES: B12B3[B-]41B1B4[B-]231.[La+2]
• Canonical SMILES: B12B3[B-]41B1[B-]23B41.[La+2]
• InChI: InChI=1S/B6.La/c1-2-5(1)3-4(5)6(1,2)3;/q-2;+2
• InChIKey: VJXOKIULCJPJLW-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: λ^2-lanthanum(2+) ion pentacyclo[3.1.0.0^1,^3.0^2,^4.0^4,^6]hexaborane-1,4-diuide
• IUPAC Traditional name: λ^2-lanthanum(2+) ion pentacyclo[3.1.0.0^1,^3.0^2,^4.0^4,^6]hexaborane-1,4-diuide
• Synonyms: Lanthanum hexaboride; Lanthanum hexaboride; Lanthanum boride; Lanthanum boride; Lanthanum hexaboride; 六硼化镧; 六硼化镧; 硼化镧; 硼化镧

Database IDs

• CAS Number: 12008-21-8
• EC Number: 234-531-6
• MDL Number: MFCD00151350
• PubChem SID: 24854496; 162222333
• PubChem CID: 71308229
• Chemspider ID: 21241507
• Wikipedia Title: Lanthanum_hexaboride

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): -0.6
• LogD (pH = 7.4): -0.6
• Log P: -0.6
• Molar Refractivity: 0.0 cm^3
• Polarizability: 10.224673 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: insoluble in water; Insoluble in water, HCl
• Apperance: -325 Mesh Powder; intense purple violet; powder
• Melting Point: 2210 °C; 2210°C
• Density: 2.61; 2.61 g/cm3 at 25 °C(lit.); 4.72 g/cm^3; 4.76 g/cm3 at 25 °C

Safety Information

• German water hazard class: 3
• TSCA Listed: 是
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: 99%; 99.5% (REO); 99.5% trace metals basis
• Particle Size: 10 μm; -325 mesh
• Linear Formula: LaB6

DETAILS

Sigma Aldrich - 709190

Packaging
5 g in glass bottle

Sigma Aldrich - 241857

Packaging
25 g in glass bottle
Application
One of the best thermionic emitters. Effective in improving diamond nucleation in the chemical vapor deposition of diamond on substrate surfaces.1