Silicon(IV) oxide, 99.0% (metals basis), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11403820	Thermo Scientific Alfa Aesar 089709.30	250 g
11413820	Thermo Scientific Alfa Aesar 089709.A1	1 kg
11423820	Thermo Scientific Alfa Aesar 089709.A7	5 kg

Description

Silicon(IV) oxide is used in the manufacture of glass for windows, drinking glasses, beverage bottles and many other materials. Optical fibers for telecommunication are made from silica. It is also used as a raw material for many ceramics such as earthenware, stoneware and porcelain. In addition, silica is a common additive in the production of foods and pharmaceutical products.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

• CAS: 7631-86-9
• Molecular Weight (g/mol): 60.08
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N
• PubChem CID: 24261
• SMILES: O=[Si]=O

• Molecular Formula: O2Si
• MDL Number: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733
• Synonym: silica, silicon dioxide, quartz, cristobalite, diatomaceous earth, tridymite, silicic anhydride, aerosil, infusorial earth, silica, amorphous
• ChEBI: CHEBI:30563

Specifications

• Boiling Point: 2230°C
• CAS: 7631-86-9
• Assay Percent Range: 99.8% (metals basis)
• MDL Number: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733
• Solubility Information: Insoluble in water.
• SMILES: O=[Si]=O
• Molecular Weight (g/mol): 60.08
• ChEBI: CHEBI:30563
• Density: 2.2 to 2.6 g/mL

• Melting Point: 1710°C
• Physical Form: Fused Amorphous Powder
• Molecular Formula: O2Si
• Synonym: silica, silicon dioxide, quartz, cristobalite, diatomaceous earth, tridymite, silicic anhydride, aerosil, infusorial earth, silica, amorphous
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N
• IUPAC Name: silanedione
• PubChem CID: 24261
• Formula Weight: 60.09
• Chemical Name or Material: Silicon(IV) oxide

Safety and Handling

missing translation for 'einecsNumber' : 231-545-4

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only