3-Mercaptopropyltrimethoxysilane is a mercapto-functional silane coupling agent. It is used to couple inorganic fillers with sulfur-cured elastomers and filled polymer systems. It also serves as an adhesion promoter and binder in sealants, including polysulfide and polyurethane caulks. The recorded grade is technical. Packaging formats include 200 kg steel drums and 1000 kg IBCs.
Full specification
- Molecular formula
- C6H16O3SSi
- Grades
- technical
- Packaging
- 200 kg steel drum · 1000 kg IBC
- Appearance
- Clear colourless to light yellow liquid
- Synonyms
- 4420-74-0 · MPTMS · CAS 4420-74-0 · mercaptopropyltrimethoxysilane · gamma-mercaptopropyltrimethoxysilane
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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