Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-

Base Information

• Chemical Name: Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-
• CAS No.: 546-45-2
• Deprecated CAS: 1569493-03-3
• Molecular Formula: C21H24O3Si3
• Molecular Weight: 408.676
• Hs Code.: 29319090
• European Community (EC) Number: 208-900-7
• DSSTox Substance ID: DTXSID0060272,DTXSID001193254
• Nikkaji Number: J1.415.425F,J1.415.426D,J188.394A,J1.617.415G
• Mol file: 546-45-2.mol

Synonyms:546-45-2;1,3,5-Trimethyl-1,3,5-triphenylcyclotrisiloxane;Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-;2,4,6-Trimethyl-2,4,6-triphenyl-1,3,5,2,4,6-trioxatrisilinane;2,4,6-TRIMETHYL-2,4,6-TRIPHENYLCYCLOTRISILOXANE;C21H24O3Si3;cis-2,4,6-Trimethyl-2,4,6-triphenylcyclotrisiloxane;EINECS 208-900-7;3424-57-5;Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-, (Z)-;C21-H24-O3-Si3;1,3,5-Triphenyltrimethylcyclotrisiloxane;6138-53-0;SCHEMBL206910;DTXSID0060272;triphenyltrimethylcyclotrisiloxane;CHEBI:189332;DTXSID001193254;MFCD00053565;STL453699;Triphenyltrimethylcyclotrisiloxane,90%;AKOS015902946;LS-58864;CS-0186496;FT-0739261;F17221;A830282;1alpha,3alpha,5alpha-Trimethyl-1,3,5-triphenylcyclotrisiloxane;1alpha,3alpha,5beta-Trimethyl-1,3,5-triphenylcyclotrisiloxane;2alpha,4alpha,6beta-Triphenyl-2,4,6-trimethylcyclohexanetrisiloxane;Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-, cis,trans-;(2alpha,4alpha,6alpha)-2,4,6-Trimethyl-2,4,6-triphenylcyclotrisiloxane;2,4,6-Trimethyl-2,4,6-triphenyl-1,3,5,2,4,6-trioxatrisilinane #;Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-, (2.alpha.,4.alpha.,6.alpha.)-;Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-, (2.alpha.,4.alpha.,6.beta.)-

Chemical Property of Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-

Chemical Property:

• Vapor Pressure: 2.58E-06mmHg at 25°C
• Melting Point: 100°C
• Refractive Index: 1.545
• Boiling Point: 402.3 °C at 760 mmHg
• Flash Point: 163.2 °C
• PSA: 27.69000
• Density: 1.102 g/mL at 20 °C(lit.)
• LogP: 2.98740
• Storage Temp.: Sealed in dry,Room Temperature
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 3
• Exact Mass: 408.10332423
• Heavy Atom Count: 27
• Complexity: 414

Purity/Quality:

98% ^*data from raw suppliers

1,3,5-Trimethyl-1,3,5-triphenylcyclotrisiloxane(Cis&TransIsomersMixture) ^*data from reagent suppliers

Safty Information:

• Statements: 20/21/22
• Safety Statements: 24/25-36/37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C[Si]1(O[Si](O[Si](O1)(C)C2=CC=CC=C2)(C)C3=CC=CC=C3)C4=CC=CC=C4

Technology Process of Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-

There total 12 articles about Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl- which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 65.5%

dichloromethylphenylsilane (149-74-6) → 1,3,5-triphenyl-1,3,5-trimethylcyclotrisiloxane (546-45-2) + 2,4,6,8-tetraphenyl-2,4,6,8-tetramethylcyclotetrasiloxane (77-63-4)

Guidance literature:

With pyridine; sodium hydrogencarbonate; In acetone; at 20 ℃; for 3h;

DOI:10.1080/10426500307895

Reference yield: 11.0%

dichloromethylphenylsilane (149-74-6) → 2.4.6.8.10-Pentamethyl-2.4.6.8.10-pentaphenyl-cyclopentasiloxan (34239-75-3) + 1,3,5-triphenyl-1,3,5-trimethylcyclotrisiloxane (546-45-2) + 2,4,6,8-tetraphenyl-2,4,6,8-tetramethylcyclotetrasiloxane (77-63-4) + cis-trans-cis-2,4,6,8-tetraphenyl-2,4,6,8-tetramethylcyclotetrasiloxane (15331-54-1)

Guidance literature:

With water; In tetrahydrofuran; for 10h; Heating;

DOI:10.1246/bcsj.78.1105

Reference yield:

(2-phenylpropan-2-ylperoxy)methyl(phenyl)silane (70996-44-0) → 1-methyl-1-phenylethyl alcohol (617-94-7) + bis(phenyl methyl hydrido)disiloxane (6689-22-1) + 1,3,5-triphenyl-1,3,5-trimethylcyclotrisiloxane (546-45-2) + poly(methylphenylsiloxane) (4543-12-8)

Guidance literature:

In nonane; at 160 ℃; Rate constant; Kinetics; Thermodynamic data; ΔE(excit.);

DOI:10.1016/S0022-328X(00)85524-2

upstream raw materials:

dichloromethylphenylsilane

methylphenylsilane

(2-phenylpropan-2-ylperoxy)methyl(phenyl)silane

d₇-N,N-dimethylformamide

Downstream raw materials:

4-methoxylbiphenyl

(Si₃O₃(C₆H₅)3(CH₃)3)Cr(CO)3

(Si₃O₃(C₆H₅)3(CH₃)3){Cr(CO)3}2

biphenyl-4-acetaldehyde

Refernces

• 1、 Qing, Guoping,Cui, Chunming. "Controlled synthesis of cyclosiloxanes by NHC-catalyzed hydrolytic oxidation of dihydrosilanes". supporting information. p. 8746 - 8750. Retrieved 2017/07/22.
• 2、 Unno, Masafumi,Chang, Shengho,Matsumoto, Hideyuki. "cis-trans-cis-Tetrabromotetramethylcyclotetrasiloxane: A versatile precursor of ladder silsesquioxanes". . p. 1105 - 1109. Retrieved 2007/10/03.