85356

Silicon dioxide

granular, ≥99.9%

• Synonym(s): Cristobalite, Quartz, Sand, Silica
• Linear Formula: SiO₂
• CAS Number: 60676-86-0
• Molecular Weight: 60.08
• MDL number: MFCD00011232
• UNSPSC Code: 12352303
• PubChem Substance ID: 57653037
• NACRES: NA.23

Properties

• assay: ≥99.9%
• form: granular
• manufacturer/tradename: Umicore Materials AG
• refractive index: n20/D 1.544 (lit.)
• particle size: 0.2-0.7 mm
• mp: 1610 °C (lit.)
• density: 2.6 g/mL at 25 °C (lit.)
• SMILES string: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Description

General description

SiO₂ is majorly used as a substrate material with excellent thermo-mechanical properties in a variety of applications which include: vapour deposition, phase deposition, atomic force microscopy probes(AFM, spin coating, and electronic based devices.

Application

• Bioresorbable pressure sensors protected with thermally grown silicon dioxide for the monitoring of chronic diseases and healing processes: Discusses the development of bioresorbable pressure sensors using silicon dioxide, highlighting its potential in medical diagnostics and monitoring (J Shin et al., 2019, Nature).
• Solvent-assisted lipid bilayer formation on silicon dioxide and gold: This research investigates the interaction between lipid bilayers and silicon dioxide surfaces, useful in the development of biosensors and other biotechnological applications (SR Tabaei et al., 2014, ACS Publications).

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)