634689

Strontium titanate

single crystal substrate, <100>

• Synonym(s): Strontium titanium trioxide
• Linear Formula: SrTiO₃
• CAS Number: 12060-59-2
• Molecular Weight: 183.49
• EC Number: 235-044-1
• MDL number: MFCD00049554
• UNSPSC Code: 12352300
• PubChem Substance ID: 24882643
• NACRES: NA.23

Properties

• Quality Level: 100
• form: crystalline (cubic (a=3.905 Å))
• dielectric constant: ~300
• hardness: 6 (, Mohs)
• reaction suitability: reagent type: catalyst; core: titanium
• size: 10 mm × 10 mm × 0.5 mm
• mp: 2060 °C (lit.); 2080 °C
• density: 4.81 g/mL at 25 °C (lit.); 5.175 g/mL at 25 °C
• semiconductor properties: <100>
• SMILES string: [Sr++].[O-][Ti]([O-])=O
• InChI: 1S/3O.Sr.Ti/q;2*-1;+2;
• InChI key: VEALVRVVWBQVSL-UHFFFAOYSA-N

Description

Physical properties

Loss Tangent at 10GHz: ~5 x 10^-4 @ 300K, ~3 x 10^-4 @ 77K; Thermal expansion: 10.4 (x 10^-6/°C)

Physical form

cubic (a = 3.905 Å)

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves