2,3,4,5-tetraboratetracyclo[2.1.0.01,3.02,5]pentane

• ChemBase ID: 126211
• Molecular Formular: CB4
• Molecular Mass: 55.2547
• Monoisotopic Mass: 56.0372216
• SMILES: B12B3B4B1C234
• Canonical SMILES: B12B3C42B1B34
• InChI: InChI=1S/CB4/c2-1-3(2)5(1)4(1)2
• InChIKey: INAHAJYZKVIDIZ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 2,3,4,5-tetraboratetracyclo[2.1.0.0^1,^3.0^2,^5]pentane
• IUPAC Traditional name: boron carbide
• Synonyms: Tetrabor; Boron carbide; Carbon tetraboride; Boron carbide; Boron carbide sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick; Boron carbide sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick; Boron carbide sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick; Boron carbide sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick; 一碳化四硼; 碳化硼; 碳化硼溅射靶, 76.2mm (3.0in) 直径 x 3.18mm (0.125in) 厚; 碳化硼溅射靶, 50.8mm (2.0in) 直径 x 3.18mm (0.125in) 厚; 碳化硼溅射靶, 50.8mm (2.0in) 直径 x 6.35mm (0.250in) 厚; 碳化硼溅射靶, 76.2mm (3.0in) 直径 x 6.35mm (0.250in) 厚

Database IDs

• CAS Number: 12069-32-8
• EC Number: 235-111-5
• MDL Number: MFCD00011520
• Merck Index: 141344
• PubChem SID: 162220552; 24863542; 24863543
• PubChem CID: 123279
• Chemspider ID: 109889
• Wikipedia Title: Boron_carbide

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 5.2282
• LogD (pH = 7.4): 5.2282
• Log P: 5.2282
• Molar Refractivity: 2.3038 cm^3
• Polarizability: 7.82545 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: false

PROPERTIES

Physical Property

• Solubility: insoluble in water
• Apperance: <10 Micron Powder; 1-7 Micron Powder; 22-59 Micron Powder; dark gray or black powder, odorless; powder
• Melting Point: 2350°C; 2763°C
• Boiling Point: 3500°C
• Density: 2.51 g/mL at 25 °C(lit.); 2.52; 2.52 g/cm^3, solid.
• pKa: 6–7 (20 °C)

Safety Information

• RTECS: ED7420000
• European Hazard Symbols: X; Harmful (Xn)
• German water hazard class: 3
• Risk Statements: 20; 20-36/37/38
• Safety Statements: 22/36/37/39/38; 22/38/36/37/39; 22-36/37/39-38; 9-26-36/37
• TSCA Listed: 否; 是
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H332; H332-H315-H319-H335
• GHS Precautionary statements: P261-P271-P304+P340-P312; P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: 90+%; 98%; 99.5% (metals basis); 99+%
• Particle Size: <10 μm; -200 mesh
• Linear Formula: CB4

DETAILS

Sigma Aldrich - 378119

Packaging
50 g in poly bottle

Sigma Aldrich - 378100

Packaging
100, 500 g in poly bottle