Description

1,3,5-Tris(trifluoropropyl)trimethylcyclotrisiloxane (CAS No. 2374-14-3) is a high-purity fluorosilicone cyclic trimer with the molecular formula C₁₂H₂₁F₉O₃Si₃. This organosilicon compound is characterized by its trifluoropropyl and methyl functional groups, which confer exceptional thermal stability, chemical resistance, and hydrophobic properties. Ideal for advanced material synthesis, it serves as a key intermediate in the production of fluorosilicone polymers, elastomers, and coatings. Its cyclic structure ensures controlled reactivity, making it suitable for precision applications in aerospace, automotive, and specialty chemical industries. Available in rigorously tested batches to ensure consistency and performance.

Properties

• CAS Number: 2374-14-3
• Complexity: 424
• IUPAC Name: 2,4,6-trimethyl-2,4,6-tris(3,3,3-trifluoropropyl)-1,3,5,2,4,6-trioxatrisilinane
• InChI: InChI=1S/C12H21F9O3Si3/c1-25(7-4-10(13,14)15)22-26(2,8-5-11(16,17)18)24-27(3,23-25)9-6-12(19,20)21/h4-9H2,1-3H3
• InChI Key: URZHQOCYXDNFGN-UHFFFAOYSA-N
• Exact Mass: 468.06547759
• Molecular Formula: C12H21F9O3Si3
• Molecular Weight: 468.53
• SMILES: C[Si]1(O[Si](O[Si](O1)(C)CCC(F)(F)F)(C)CCC(F)(F)F)CCC(F)(F)F
• Topological: 27.7
• Monoisotopic Mass: 468.06547759
• Physical Description: Liquid; Pellets or Large Crystals
• Synonyms: 1,3,5-Trimethyl-1,3,5-tris(3,3,3-trifluoropropyl)cyclotrisiloxane, Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-tris(3,3,3-trifluoropropyl)-, Fluorosilicone trimer, Fluorosilicone cyclic trimer, B071 CUT II, EINECS 219-154-7, 2,4,6-Trimethyl-2,4,6-tris(3,3,3-trifluoropropyl)cyclotrisiloxane, (3,3,3-Trifluoropropyl)methylsiloxane cyclic trimer, 1,3,5-Tris(trifluoropropyl)trimethylcyclotrisiloxane, DTXSID7051892, EC 219-154-7, TFTMCS, DTXCID5030454, 219-154-7, 2374-14-3, 1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-tris(3,3,3-trifluoropropyl)-1,3,5,2,4,6-trioxatrisilinane, (3,3,3-Trifluoropropyl)methylcyclotrisiloxane, MFCD00054667, 1,3,5-tris(3,3,3-trifluoropropyl)methylcyclotrisiloxane, 1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]-cyclotrisiloxane, 1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane, C12H21F9O3Si3, MV7XKZ9FYQ, SCHEMBL780089, SCHEMBL8604563, AKOS008901200, CS-W013833, AS-15229, SY017077, DB-046234, NS00050113, T3226, 1,3,5-trimethyl-1,3,5-tris(3,3,3-tri-fluoropropyl)cyclotrisiloxane

Application

1,3,5-Tris(trifluoropropyl)trimethylcyclotrisiloxane is widely used as a monomer or crosslinking agent in fluorosilicone polymer synthesis, offering enhanced resistance to fuels, oils, and extreme temperatures. It is critical in formulating high-performance seals, gaskets, and O-rings for aerospace and automotive applications. The compound also finds use in specialty coatings for electronics, where moisture repellency and dielectric properties are required.

Safety and Hazards

GHS Hazard Statements

• H361 (50%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
• H361f (42.3%): Suspected of damaging fertility [Warning Reproductive toxicity]
• H372 (92.3%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
• H373 (50%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]

Precautionary Statements

• P203, P260, P264, P270, P280, P318, P319, P405, and P501

Hazard Classes and Categories

• Repr. 2 (50%)
• Repr. 2 (42.3%)
• STOT RE 1 (92.3%)
• STOT RE 2 (50%)

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