1,1,3,3-Tetramethyl-2-[3-(trimethoxysilyl)propyl]guanidine(CAS: 69709-01-9)

1,1,3,3-Tetramethyl-2-[3-(trimethoxysilyl)propyl]guanidine (CAS: 69709-01-9) is a white crystalline solid with a molecular weight of approximately 342.36 g/mol. It has limited water solubility and is moderately soluble in organic solvents like methanol and ethanol. Chemically, it is reactive towards silanes and can form stable bonds with silicon-containing compounds. It shows good thermal stability up to 150°C.

1,1,3,3-Tetramethyl-2-[3-(trimethoxysilyl)propyl]guanidine is typically synthesized via a multi-step process involving the condensation of 3-trimethoxysilylpropylamine with tetramethylguanidine. The reaction is catalyzed by concentrated hydrochloric acid, and the product is purified by recrystallization from hot ethanol. The overall yield is around 70-80%.

1,1,3,3-Tetramethyl-2-[3-(trimethoxysilyl)propyl]guanidine finds applications in the electronics industry for silicon surface modification, in the pharmaceutical industry for drug delivery systems, and in the polymer industry for improving adhesion properties. It is also used in the sensor industry for functionalizing surfaces.

When handling 1,1,3,3-Tetramethyl-2-[3-(trimethoxysilyl)propyl]guanidine, wear appropriate personal protective equipment (PPE) including gloves, safety glasses, and a lab coat. It should be handled in a well-ventilated area or fume hood. Spills should be carefully cleaned up with appropriate absorbent materials. Always consult the Safety Data Sheet (SDS) for detailed handling and emergency procedures.