Tetramethyl orthosilicate, 99%

Catalog No. AC203820250

Supplier: Thermo Scientific Chemicals 203820250

Description

CAS: 681-84-5 | C4H12O4Si | 152.22 g/mol

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

Specifications

Chemical Identifiers

• CAS: 681-84-5
• Molecular Formula: C4H12O4Si
• Molecular Weight (g/mol): 152.22
• MDL Number: MFCD00008341
• InChI Key: LFQCEHFDDXELDD-UHFFFAOYSA-N
• Synonym: tetramethoxysilane, tetramethyl orthosilicate, methyl silicate, tmos, methyl orthosilicate, methyl silicate 39, silane, tetramethoxy, silicic acid, tetramethyl ester, methyl silicate 28, tetramethylorthosilicate
• PubChem CID: 12682
• IUPAC Name: tetramethyl silicate
• SMILES: CO[Si](OC)(OC)OC

• Melting Point: -2.0°C
• Density: 1.0300g/mL
• Boiling Point: 121.0°C to 122.0°C
• Flash Point: 26°C
• Infrared Spectrum: Authentic
• Assay Percent Range: 98.5% min. (GC)
• Packaging: Glass bottle
• Refractive Index: 1.3670 to 1.3700
• Linear Formula: Si(OCH₃)₄
• Quantity: 25 g
• Beilstein: 01,287
• Specific Gravity: 1.03
• Solubility Information: Solubility in water: hydrolysis in water. Other solubilities: soluble in alcohol
• Viscosity: 0.7 mPa.s (20°C)
• Formula Weight: 152.22
• Percent Purity: 99%
• Physical Form: Liquid
• Chemical Name or Material: Tetramethyl orthosilicate

Safety and Handling

Hazard Category	GHS Signal Word: Danger
EINECSNumber	211-656-4

SDS

RUO – Research Use Only