Tetracosamethyl-cyclododecasiloxane

Base Information

• Chemical Name: Tetracosamethyl-cyclododecasiloxane
• CAS No.: 18919-94-3
• Molecular Formula: C24H72 O12 Si12
• Molecular Weight: 889.854
• DSSTox Substance ID: DTXSID40940431
• Nikkaji Number: J345.790G
• Wikidata: Q82917086
• Mol file: 18919-94-3.mol

Synonyms:tetracosamethylcyclododecasiloxane;18919-94-3;Tetracosamethyl-cyclododecasiloxane;Cyclododecasiloxane, tetracosamethyl-;2,2,4,4,6,6,8,8,10,10,12,12,14,14,16,16,18,18,20,20,22,22,24,24-tetracosamethyl-1,3,5,7,9,11,13,15,17,19,21,23-dodecaoxa-2,4,6,8,10,12,14,16,18,20,22,24-dodecasilacyclotetracosane;2,2,4,4,6,6,8,8,10,10,12,12,14,14,16,16,18,18,20,20,22,22,24,24-Tetracosamethylcyclododecasiloxane;SCHEMBL6832751;DTXSID40940431;Cyclododecasiloxane, tetracosamethyl;Tetracosamethyl-cyclo-dodecasiloxane;Tetracosamethylcyclotetracosanedodecasiloxane

Chemical Property of Tetracosamethyl-cyclododecasiloxane

Chemical Property:

• Vapor Pressure: 2.41E-10mmHg at 25°C
• Boiling Point: 518.6°Cat760mmHg
• Flash Point: 260.6°C
• PSA: 110.76000
• Density: 0.98g/cm³
• LogP: 8.62080
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 12
• Rotatable Bond Count: 0
• Exact Mass: 888.22549614
• Heavy Atom Count: 48
• Complexity: 725

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si]1(O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)C
• Uses: Tetracosamethylcyclododecasiloxane is a pollutant present in the process of textile enhancements and pretreatments with ozone. Petroleum environmental contaminant.

Technology Process of Tetracosamethyl-cyclododecasiloxane

There total 4 articles about Tetracosamethyl-cyclododecasiloxane 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: 98.0%

naringin (10236-47-2) → [4-[[2-O-(6-deoxy-L-mannopyranosyl)-D-glucopyranosyl]oxy]-2,6-dihydroxyphenyl]-3-(4-hydroxyphenyl)-1-propanone (18916-17-1)

Guidance literature:

With palladium on activated charcoal; hydrogen; potassium hydroxide; In ethanol; at 55 ℃; under 7500.75 - 15001.5 Torr; Temperature; Reagent/catalyst; Pressure; Autoclave;

Reference yield:

dodecamethylcyclohexasilane (4098-30-0) → tetradecamethylcycloheptasiloxane (107-50-6) + hexadecamethylcyclooctasiloxane (556-68-3) + octadecamethyl-cyclononasiloxane (556-71-8) + Hexamethylcyclotrisiloxane (541-05-9) + octamethylcyclotetrasiloxane (556-67-2) + decamethylcyclopentasiloxane (541-02-6) + dodecamethyl-cyclohexasiloxane (540-97-6) + 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-hexadecamethyloctasiloxane-1,15-diol (4938-87-8) + 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane-1,11-diol (4029-00-9) + C30H92O16Si15 + eicosamethylcyclodecasiloxane (18772-36-6) + tetracosamethyl cyclododecasiloxane (18919-94-3) + Tricontamethylcyclopentadecasiloxan (23523-14-0) + α,ω-Dihydroxy-tetradecamethyl-heptasiloxan (3195-63-9) + Docosamethylcycloundecasiloxane (18766-38-6) + α,ω-Dihydroxy-polydimethylsiloxan + hexacosamethyl-cyclotridecasiloxane (23732-94-7) + Octacosamethylcyclotetradeca-siloxane (149050-40-8) + α,ω-Dihydroxy-octadecamethyl-nonasiloxan (18678-58-5) + 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,17,17,19,19,21,21,23,23,25,25,27,27,29,29,31,31-dotriacontamethylhexadecasiloxane-1,31-diol + Dotriacontamethylcyclohexadecasiloxane + tetratriacontamethylcycloheptadecasiloxane + C22H68O12Si11 + C24H74O13Si12 + C34H104O18Si17 + permethyldecasiloxane-1,19-diol + C28H86O15Si14

Guidance literature:

dodecamethylcyclohexasilane; With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 0.5h; Inert atmosphere; Schlenk technique;

With hydrogen; C₆₂H₅₁N₂Ni₂^(1-)*K⁽¹⁺⁾*2C₄H₁₀O₂; In tetrahydrofuran; at 45 ℃; for 24h; under 1500.15 Torr; Schlenk technique;

With water; In tetrahydrofuran; at -40 - 20 ℃; for 12h; Schlenk technique;

DOI:10.1002/anie.201907525

Reference yield:

naringin (10236-47-2) → [4-[[2-O-(6-deoxy-L-mannopyranosyl)-D-glucopyranosyl]oxy]-2,6-dihydroxyphenyl]-3-(4-hydroxyphenyl)-1-propanone (18916-17-1)

Guidance literature:

With alkaline aqueous solution; nickel; Hydrogenation;

upstream raw materials:

naringin

4'-rhamnoglucosyloxy-2',4,6'-trihydroxychalcone

naringin

dodecamethylcyclohexasilane

Refernces

• 1、 -. "Synthetic method for naringin dihydrochalcone". Paragraph 0022. . Retrieved 2016/10/09.