Methyltrimethoxysilane (MTMS) is an organofunctional silane. It is used as a coupling agent in thermoplastics and thermosetting resins, as a cross-linker in silicone sealants, as a water-repellent component in hydrophobic surface treatments and sol-gel coatings, as a monomer, catalyst, surface modifier and intermediate, and in household products for conditioning and waterproofing leather. It is a clear, colourless liquid. Recorded grades include technical, high-purity.
Full specification
- Molecular formula
- C4H12O3Si
- Grades
- technicalhigh-purity
- Packaging
- 200 kg steel drum · 1000 kg IBC
- Appearance
- Clear colourless liquid
- Synonyms
- 1185-55-3 · MTMS · CAS 1185-55-3 · methyltrimethoxysilane · trimethoxymethylsilane
Compliance & regulatory
Region: EU — Chemotto S.r.l., Milano
- REACH-aligned supply
- CLP-labelled
REACH REACHRegistration, Evaluation, Authorisation and Restriction of Chemicals — the EU chemicals regulation (EC 1907/2006). CLP CLPClassification, Labelling and Packaging — the EU regulation (EC 1272/2008) for hazard communication. SVHC SVHCSubstance of Very High Concern — flagged on the REACH Candidate List for possible authorisation or restriction.
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