Octamethylcyclotetrasilazane

Base Information

• Chemical Name: Octamethylcyclotetrasilazane
• CAS No.: 1020-84-4
• Deprecated CAS: 111150-04-0
• Molecular Formula: C8H28N4Si4
• Molecular Weight: 292.679
• Hs Code.: 2915900090
• European Community (EC) Number: 213-817-4
• DSSTox Substance ID: DTXSID1051511
• Nikkaji Number: J108.248E
• Wikidata: Q72497370
• Mol file: 1020-84-4.mol

Synonyms:Octamethylcyclotetrasilazane;1020-84-4;Cyclotetrasilazane, 2,2,4,4,6,6,8,8-octamethyl-;Dimethylsilazane Cyclic Tetramer;2,2,4,4,6,6,8,8-Octamethylcyclotetrasilazane;2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetrazatetrasilocane;EINECS 213-817-4;Ctamethylcyclotetrasilazane;octamethyl cyclotetrasilazane;octamethylcyclotetra-silazane;SCHEMBL467408;DTXSID1051511;BAA02084;MFCD00046123;AKOS015912002;BS-43841;LS-58841;FT-0633253;O0153;D91819;1,1,3,3,5,5,7,7-Ctamethylcyclotetrasilazane;1,1,3,3,5,5,7,7-Octamethyldyclotetrasilazane;1,1,3,3,5,5,7,7-Ctamethyl Cyclotetrasilazane;2,2,4,4,6,6,8,8-octamethyl cyclotetrasilazane;5-(tert-butoxycarbonylamino)-2-methoxypyridine-4-carboxylicacid;1,2,2,3,4,4,8,8-Ctamethyl-1,3,5,7,2,4,6,8-Tetrazatetrasilcane;2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraazatetrasilocane #

Chemical Property of Octamethylcyclotetrasilazane

Chemical Property:

• Appearance/Colour: white crystals
• Vapor Pressure: 0.038mmHg at 25°C
• Melting Point: 96-99 °C(lit.)
• Refractive Index: 1.4580
• Boiling Point: 240.397 °C at 760 mmHg
• PKA: 14.85±0.20(Predicted)
• Flash Point: 99.189 °C
• PSA: 48.12000
• Density: 0.926 g/cm³
• LogP: 2.48080
• Sensitive.: Moisture Sensitive
• Solubility.: soluble in Acetone
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 292.13910305
• Heavy Atom Count: 16
• Complexity: 197

Purity/Quality:

98%,99%, ^*data from raw suppliers

Octamethylcyclotetrasilazane >96.0%(T) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T
• Hazard Codes: T
• Statements: 25
• Safety Statements: 45

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si]1(N[Si](N[Si](N[Si](N1)(C)C)(C)C)(C)C)C

Technology Process of Octamethylcyclotetrasilazane

There total 7 articles about Octamethylcyclotetrasilazane 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: 15.0%

2,2-dichlorotetramethylcyclotrisiloxane (51840-40-5) + dimethylsilicon dichloride (75-78-5,30107-43-8) → 2,2,4,4,8,8,10,10-octamethylspiro<5.5>pentasila-1,3,5-trioxa-7,9,11-triazane (131967-49-2) + 2,2,4,4,10,10,12,12,15,15-decamethylspiro<1.5.3.5>heptasila-7,14,16,-triaza-1,3,5,9,11,13-hexaoxane (131967-52-7) + 2,2,4,4,8,8,12,12,14,14,17,17-dodecamethylspiro<3.5.3.5>octasila-7,9,16,18-tetraaza-1,3,5,11,13,15-hexaoxane (126179-09-7) + 2,2,4,4,6,6-hexamethylcyclotrisilazane (1009-93-4) + 2,2,4,4,6,6,8,8-octamethyl-cyclotetrasilazane (1020-84-4)

Guidance literature:

With ammonia; In benzene; at 80 ℃; Product distribution; diff. concentr.; diff. solvent;

Reference yield: 14.0%

dimethylsilicon dichloride (75-78-5,30107-43-8) + 1,3-bis(chlorodimethylsilyl)-2,2,4,4-tetramethylcyclodisilazane (2329-10-4) → 1,3-bis(aminodimethylsilyl)-2,2,4,4-tetramethylcyclodisilazane (13270-82-1) + 1,3-bis<3-(aminodimethylsilyl)-2,2,4,4-tetramethyl-1-cyclodisilazanyl>-1,1,3,3-tetramethyldisilazane (75344-63-7) + 1-(aminodimethylsilyl)-3-(3-amino-1,1,3,3-tetramethyl-1-disilazanyl)-2,2,4,4-tetramethylcyclodisilazane (75344-64-8) + 2,2,4,4,6,6-hexamethylcyclotrisilazane (1009-93-4) + 2,2,4,4,6,6,8,8-octamethyl-cyclotetrasilazane (1020-84-4)

Guidance literature:

With ammonia; In toluene; at 18 - 20 ℃; Product distribution;

Reference yield: 7.5%

dimethylsilicon dichloride (75-78-5,30107-43-8) + 1,3-bis(chlorodimethylsilyl)-2,2,4,4-tetramethylcyclodisilazane (2329-10-4) → 1,3-bis(aminodimethylsilyl)-2,2,4,4-tetramethylcyclodisilazane (13270-82-1) + 1,3-bis<3-(aminodimethylsilyl)-2,2,4,4-tetramethyl-1-cyclodisilazanyl>-1,1,3,3-tetramethyldisilazane (75344-63-7) + 2,2,4,4,6,6-hexamethylcyclotrisilazane (1009-93-4) + 2,2,4,4,6,6,8,8-octamethyl-cyclotetrasilazane (1020-84-4)

Guidance literature:

With ammonia; In toluene; at 18 - 20 ℃; Further byproducts given;

upstream raw materials:

dimethylsilicon dichloride

2,2-dichlorotetramethylcyclotrisiloxane

1,3-bis(chlorodimethylsilyl)-2,2,4,4-tetramethylcyclodisilazane

ammonia

Downstream raw materials:

Dimethyl-bis-(2-diaethylamino-aethoxy)-silan

Bis-<2-nitro-phenoxy>-dimethyl-silan

1,3-Bis-<2-nitro-phenoxy>-tetramethyl-disilazan

N,N'-Bis-(4-chloro-phenyl)-Si,Si-dimethyl-silanediamine

Refernces

• 1、 Zachernyuk, A. B.,Isaev, V. B.,Lavrukhin, B. D.,Zhdanov, A. A.. "SYNTHESIS OF SPIRO- AND CARBOCYCLOSILAZAOXANES AND THEIR 1H and 29Si NMR SPECTRA". . p. 1879 - 1887. Retrieved 2007/10/02.
• 2、 Pometan,Dumas,Fourtillan,et al.. "Organosilicon esters derivated from triethanolamine. Synthesis and pharmacological properties". . p. 425 - 429. Retrieved 2007/10/02.