Poly[trifluoropropyl(methyl)siloxane]

Also known as: Poly(methyl-3,3,3-trifluoropropylsiloxane), Polysiloxanes, Me 3,3,3-trifluoropropyl, Trifluoropropylmethylpolysiloxane, Fluorosilicone oil, Dow Corning FS chemically inert fluid, Poly(3,3,3-trifluoropropylmethylsiloxane)

Poly[trifluoropropyl(methyl)siloxane] (CAS 63148-56-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H21F9O3Si3 and a molecular weight of 468.53500 g/mol. Key properties include a melting point of -47ºC, a density of 1.3 and a flash point of 315ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 63148-56-1
Jingsj CID: J-1990887-2
Molecular Formula: C₁₂H₂₁F₉O₃Si₃
Molecular Weight: 468.53500 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-47ºC
Density	1.3
Flash Point	315ºC
Exact Mass	468.06500
PSA	27.69000
LogP	6.12300
Refractive Index	1.381

Frequently Asked Questions

What is the CAS number of Poly[trifluoropropyl(methyl)siloxane]?

The CAS number of Poly[trifluoropropyl(methyl)siloxane] is 63148-56-1.

What are the molecular formula and molecular weight of Poly[trifluoropropyl(methyl)siloxane]?

Poly[trifluoropropyl(methyl)siloxane] has molecular formula C12H21F9O3Si3 and molecular weight 468.53500 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Poly[trifluoropropyl(methyl)siloxane] (CAS 63148-56-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990887-2 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.