Bis[3-(trimethoxysilyl)propyl]amine

Bis[3-(trimethoxysilyl)propyl]amine (CAS 82985-35-1) is a secondary amino-functional silane commercially available under trade names including Silquest A-1170 and TSL 8206. It carries no E-code designation. The compound belongs to the organofunctional silane class within the broader silicones and silicates category.

In glass fibre-reinforced composites, it acts as a coupling agent by forming covalent bonds between inorganic substrates and polymer matrices, improving mechanical strength and moisture resistance. In rubber compounding, its secondary amine group participates in crosslinking reactions with carbon black and silica fillers, reducing rolling resistance in tyre formulations.

Supplied as a clear liquid under HS code 29319090, this material is subject to REACH registration requirements within the European Economic Area. Procurement teams should request safety data sheets confirming compliance with current REACH substance obligations. Standard packaging formats for industrial supply typically include drums and intermediate bulk containers.