Silicon(IV) oxide, 99.995% (metals basis)

Description

CAS: 7631-86-9 | O2Si | 60.08 g/mol

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.

Specifications

Chemical Identifiers

• CAS: 7631-86-9
• Molecular Formula: O2Si
• Molecular Weight (g/mol): 60.08
• MDL Number: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N
• Synonym: silica, silicon dioxide, quartz, cristobalite, diatomaceous earth, tridymite, silicic anhydride, aerosil, infusorial earth, silica, amorphous
• PubChem CID: 24261
• ChEBI: CHEBI:30563
• IUPAC Name: silanedione
• SMILES: O=[Si]=O

• Boiling Point: 2230°C
• Melting Point: 1710°C
• Color: White
• Physical Form: Powder
• Quantity: 100 g
• Assay Percent Range: 99.995% (metals basis)
• Solubility Information: Insoluble in water.
• Formula Weight: 60.09
• Odor: Odorless
• Density: 2.2 g/cm³ at 20°C
• Chemical Name or Material: Silicon(IV) oxide

Safety and Handling

Hazard Category	H373: May cause damage to organs through prolonged or repeated exposure.
EINECSNumber	231-545-4
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only