2-[ACETOXY(POLYETHYLENEOXY)PROPYL]HEPTAMETHYLTRISILOXANE

2-[乙酰氧基(聚氧乙烯)丙基]七甲基三硅氧烷

Also known as: 3-{2-[ACETOXY(POLYETHYLENEOXY)PROPYL]}HEPTAMETHYLTRISILOXANE, Poly(oxy-1,2-ethanediyl), .alpha.-acetyl-.omega.-3-1,3,3,3-tetramethyl-1-(trimethylsilyl)oxydisiloxanylpropoxy-, alpha-Acetyl-omega-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propoxy]-poly(oxy-1,2-ethanediyl), Silwet Y 12808, Sylgard 309, Dow Corning 309, Xiameter OFX 0309

2-[ACETOXY(POLYETHYLENEOXY)PROPYL]HEPTAMETHYLTRISILOXANE (CAS 125997-17-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula (C2H4O)n.C12H30O4Si3 and a molecular weight of 366.67326 g/mol. It is also known as 3-{2-[ACETOXY(POLYETHYLENEOXY)PROPYL]}HEPTAMETHYLTRISILOXANE, Poly(oxy-1,2-ethanediyl), .alpha.-acetyl-.omega.-3-1,3,3,3-tetramethyl-1-(trimethylsilyl)oxydisiloxanylpropoxy- and alpha-Acetyl-omega-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propoxy]-poly(oxy-1,2-ethanediyl). Key property: a density of 1.032. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

125997-17-3

Jingsj CID

J-1529973-6

Molecular Formula

(C₂H₄O)nC₁₂H₃₀O₄Si₃

Chinese Name

2-[乙酰氧基(聚氧乙烯)丙基]七甲基三硅氧烷

Molecular Weight

366.67326 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026