2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane

Also known as: Organo-Modified Siloxane, Heptamethyltrisiloxane-polyoxyethylene allyl ether copolymer, 3-(Polyoxyethylene)propylheptamethyltrisiloxane, Poly(oxy-1,2-ethanediyl), α-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propyl]-ω-hydroxy-, MFCD28901349, EINECS 274-092-8

2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane (CAS 67674-67-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula (C2H4O)nC10H28O3Si3 and a molecular weight of 324.64200 g/mol. Key properties include a melting point of 0°C, a boiling point of 323.3±21.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 149.4±22.1 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.

67674-67-3

Jingsj CID

J-1368020-0

Molecular Formula

(C₂H₄O)nC₁₀H₂₈O₃Si₃

Molecular Weight

324.64200 g/mol

Category

Ethers

Last updated

11/2/2026