166389-37-3

Basic information

• Product Name: 3-Trisiloxanol, 1,5-diethenyl-3-[(ethenyldimethylsilyl)oxy]-1,1,5,5-tetramethyl-
• CAS NO: 166389-37-3
• Molecular Formula: C12H28O4Si4
• Molecular Weight: 348.694
• Mol File: 166389-37-3.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 3-Trisiloxanol, 1,5-diethenyl-3-[(ethenyldimethylsilyl)oxy]-1,1,5,5-tetramethyl-(CAS DataBase Reference)
• NIST Chemistry Reference: 3-Trisiloxanol, 1,5-diethenyl-3-[(ethenyldimethylsilyl)oxy]-1,1,5,5-tetramethyl-(166389-37-3)
• EPA Substance Registry System: 3-Trisiloxanol, 1,5-diethenyl-3-[(ethenyldimethylsilyl)oxy]-1,1,5,5-tetramethyl-(166389-37-3)

Safety Data

• Hazardous Substances Data: 166389-37-3(Hazardous Substances Data)

Upstream product

• 681-84-5 tetramethylorthosilicate 
• 2627-95-4 tetramethyldivinyldisiloxane 

Relevant articles and documents

Preparation of branched siloxane

By reacting a branched siloxane compound of formula (2) containing compounds of formula (1) as an impurity with a disiloxane compound of formula (3) in the presence of an acid compound, there is prepared a branched siloxane of formula (2) containing a reduced level of compounds of formula (1).R1?nSi(OSiR2?3)3-n(OR3)R1?nSi(OSiR2?3)4-nR2?3SiOSiR2?3 R1 is a monovalent hydrocarbon group, R2 and R3 are H or monovalent hydrocarbon groups, and n is 0 or 1.