Silicon(IV) oxide, powder, 0.5 micron, 99.9%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11363876	Thermo Scientific Alfa Aesar L16985.14	25 g
11373876	Thermo Scientific Alfa Aesar L16985.22	100 g

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.

Applications
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.

Solubility
Insoluble in water.

Notes
It is a very stable compound of silicon.

Chemical Identifiers

• CAS: 7631-86-9
• Molecular Weight (g/mol): 60.08
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N
• PubChem CID: 24261
• IUPAC Name: dioxosilane

• 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
• SMILES: O=[Si]=O

Specifications

• Boiling Point: 2230°C
• CAS: 7631-86-9
• Molecular Formula: O2Si
• Merck Index: 14,8493
• Solubility Information: Insoluble in water.
• SMILES: O=[Si]=O
• Molecular Weight (g/mol): 60.08
• ChEBI: CHEBI:30563
• Percent Purity: 99.9%
• Density: 2

• Melting Point: 1710°C
• Physical Form: Powder
• 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
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N
• IUPAC Name: dioxosilane
• PubChem CID: 24261
• Formula Weight: 60.09
• Odor: Odorless
• Chemical Name or Material: Silicon(IV) oxide, 0.5 micron

Safety and Handling

GHS H Statement
H373
May cause damage to organs through prolonged or repeated exposure.

GHS P Statement
P260-P314-P501a
Do not breathe dust/fume/gas/mist/vapors/spray.
Get medical advice/attention if you feel unwell.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Warning

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

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only