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Tetramethoxysilane

CAS 681-84-5 C4H12O4Si MW 152.22 Made to order

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.

CoA by batch

Overview

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.

Specifications

Specifications available on request — see Documents below or contact our sales team.

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 26 C
Transport Class 6.1
Packing Group I
Shelf Life 24 months

Identification

Property Value
CAS Number 681-84-5
Molecular Formula C4H12O4Si
Molecular Weight 152.22
EC / UN Number 2606
REACH Code Y110
Tariff Code 29209070

Safety & GHS

Danger
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Compressed Gas Compressed Gas GHS04
  • GHS pictogram — Corrosive Corrosive GHS05

Hazard statements

  • H226 Flammable liquid and vapour
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H330 Fatal if inhaled

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

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.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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