Molekula

Tetramethoxysilane

SKU 90028420 CAS 681-84-5 C4H12O4Si MW 152.22 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

Tetramethoxysilane is a silicon-based precursor used in sol-gel processes, coatings, and nanomaterial synthesis. It is a colorless liquid with high reactivity, requiring careful handling due to its flammability and potential health hazards. CAS: 681-84-5, Molecular Formula: C4H12O4Si, Molecular Weight: 152.22 g/mol, Storage: Ambient. Molekula supplies Tetramethoxysilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90028420
CAS Number: 681-84-5
IUPAC Name: tetramethyl silicate
EC Number: 211-656-4
Molecular Formula: C4H12O4Si
Molecular Weight: 152.22
Exact Mass: 152.0505
SMILES: CO[Si](OC)(OC)OC
InChIKey: LFQCEHFDDXELDD-UHFFFAOYSA-N
InChI: InChI=1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3
PubChem CID: 12682

Synonyms

Methyl silicate
Methyl silicate ((MeO)4Si)
Methyl silicate 28
Methyl Silicate 39
Silane, tetramethoxy-
Tetramethyl orthosilicate
TETRAMETHYL SILICATE
Tetramethylsilikat
TL 190
TMOS

Literature values

Published physical properties of the substance, not batch specifications.

Appearance: Colorless liquid
Melting Point: -1 °C
Boiling Point: 121 °C
Density: 1.02 (relative, water = 1)
Solubility (other solvents): Very soluble in ethanol
Vapour Pressure: 2.2 kPa at 20 °C
Refractive Index: 1.3683

Source: PubChem CID 12682 (HSDB, ICSC)

Frequently asked questions

What is tetramethoxysilane used for?

Tetramethoxysilane is primarily used as a precursor in sol-gel processes for producing silica-based materials, coatings, and nanomaterials.

What is the chemical formula and molecular weight of tetramethoxysilane?

The formula is C4H12O4Si with a molecular weight of 152.22 g/mol.

How should tetramethoxysilane be stored?

It should be stored at ambient temperature, away from moisture and incompatible materials.

What grade of tetramethoxysilane does Molekula supply?

Molekula supplies tetramethoxysilane in high-purity grade suitable for laboratory and industrial applications.

Can Molekula supply tetramethoxysilane in bulk?

Yes, Molekula can supply tetramethoxysilane in bulk quantities—please contact our sales team for details.

What documentation comes with a tetramethoxysilane order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.