Functional Roles
Industries Served
GHS / SDS Safety
Warning
Environmental Hazard
Irritant
- H317 (71.7%): May cause an allergic skin reaction [Warning Sensitization, Skin]
- H411 (64.7%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H302 (94%): Harmful if swallowed [Warning Acute toxicity, oral]
- H312 (12.5%): Harmful in contact with skin [Warning Acute toxicity, dermal]
- H319 (10.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
| CAS Number | 4420-74-0 |
| IUPAC Name | 3-trimethoxysilylpropane-1-thiol |
| InChI Key | UUEWCQRISZBELL-UHFFFAOYSA-N |
| PubChem CID | 20473 |
| INCI Name | MERCAPTOPROPYLTRIMETHOXYSILANE |
Synonyms & Trade Names
Full Description
Mercaptopropyltrimethoxysilane (MPTMS) is an organosilane coupling agent with the molecular formula C6H16O3SSi that provides adhesion promotion and coupling functionality between organic and inorganic materials. This silane compound is utilized across agriculture, coatings & construction, industrial manufacturing, and plastics & polymers industries where enhanced interfacial bonding is required. The mercapto functional group enables strong chemical bonding to substrates while the trimethoxysilyl group provides hydrolyzable functionality for surface modification applications.