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Organosilicon

Organosilicon compounds possess direct bonds between carbon atoms and silicon atoms and are flammable, hydrophobic, and stable to air. These compounds possess a variety of industrial, agricultural, and research applications.
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2

Hexamethylcyclotrisiloxane, TRC

CAS: 541-05-9 Chemical Name or Material: Hexamethylcyclotrisiloxane Formula Weight: 222.056 InChI Formula: InChI=1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3 IUPAC Name: 2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-trioxatrisilinane Molecular Formula: C6 H18 O3 Si3 Molecular Weight (g/mol): 222.46 Recommended Storage: +4°C SMILES: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1 Synonym: Cyclotrisiloxane, hexamethyl- (6CI,8CI,9CI),2,2,4,4,6,6-Hexamethylcyclotrisiloxane,Dimethylsiloxane cyclic trimer,Hexamethylcyclotrisiloxane,LS 8120,SDK 10

CAS 541-05-9
Molecular Weight (g/mol) 222.46
InChI Formula InChI=1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3
Chemical Name or Material Hexamethylcyclotrisiloxane
Synonym Cyclotrisiloxane, hexamethyl- (6CI,8CI,9CI),2,2,4,4,6,6-Hexamethylcyclotrisiloxane,Dimethylsiloxane cyclic trimer,Hexamethylcyclotrisiloxane,LS 8120,SDK 10
SMILES C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1
Recommended Storage +4°C
Molecular Formula C6 H18 O3 Si3
IUPAC Name 2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-trioxatrisilinane
Formula Weight 222.056
3

Octamethylcyclotetrasiloxane, TRC

CAS: 556-67-2 Chemical Name or Material: Octamethylcyclotetrasiloxane Formula Weight: 296.0752 InChI Formula: InChI=1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3 IUPAC Name: 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Molecular Formula: C8 H24 O4 Si4 Molecular Weight (g/mol): 296.62 Percent Purity: >95% Purity Grade Notes: GC Recommended Storage: +4°C SMILES: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 Synonym: Cyclotetrasiloxane, octamethyl- (8CI,9CI),2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane,2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane,Abil K 4,Additive 8030,Cyclic dimethylsiloxane tetramer,D 4,DC 244,DC 344,DC 5258,DWQ 110,DWQ 120,Dabco DC 5258,Dow Corning 244,Dow Corning 244 Fluid,Dow Corning 344,KF 994,LS 8620,Mirasil CM 4,NSC 345674,NUC Silicone VS 7207,Octamethylcyclotetrasiloxane,Octamethylcyclotetrasiloxanes,PMX 0110,SF 1173,SH 244,SH 244 Fluid,SH 30,SH 344,Silbione 70045V2,Silbione V 2,TSF 404,Tetracyclomethicone,UC 7207,Union Carbide 7207,VS 7207,Volasil 244,XF 3803,Y 7175,YF 393,ZBH 270

Percent Purity >95%
CAS 556-67-2
Molecular Weight (g/mol) 296.62
InChI Formula InChI=1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3
Chemical Name or Material Octamethylcyclotetrasiloxane
Synonym Cyclotetrasiloxane, octamethyl- (8CI,9CI),2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane,2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane,Abil K 4,Additive 8030,Cyclic dimethylsiloxane tetramer,D 4,DC 244,DC 344,DC 5258,DWQ 110,DWQ 120,Dabco DC 5258,Dow Corning 244,Dow Corning 244 Fluid,Dow Corning 344,KF 994,LS 8620,Mirasil CM 4,NSC 345674,NUC Silicone VS 7207,Octamethylcyclotetrasiloxane,Octamethylcyclotetrasiloxanes,PMX 0110,SF 1173,SH 244,SH 244 Fluid,SH 30,SH 344,Silbione 70045V2,Silbione V 2,TSF 404,Tetracyclomethicone,UC 7207,Union Carbide 7207,VS 7207,Volasil 244,XF 3803,Y 7175,YF 393,ZBH 270
SMILES C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
Recommended Storage +4°C
Purity Grade Notes GC
Molecular Formula C8 H24 O4 Si4
IUPAC Name 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Formula Weight 296.0752
4

Decamethylcyclopentasiloxane, TRC

CAS: 541-02-6 Chemical Name or Material: Cyclomethicone 5 Formula Weight: 370.094 InChI Formula: InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3 IUPAC Name: 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane Molecular Formula: C10 H30 O5 Si5 Molecular Weight (g/mol): 370.77 Recommended Storage: +4°C SMILES: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 Synonym: Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-,Cyclopentasiloxane, decamethyl- (6CI,8CI,9CI),2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane,Botanisil CP 33,Cyclic dimethylsiloxane pentamer,Cyclo-decamethylpentasiloxane,Cyclomethicone pentamer 245,Cyclopentadimethylsiloxane,Cyclopentasiloxane,D 5 (siloxane),D5,DC 2-5252C,DC 245,DC 345,DC 345 Fluid,Decamethylcyclopentasiloxane,Decamethylcylopentasiloxane,Decamethylpentacyclosiloxane,Dimethylsiloxane pentamer,Dow Corning 2-5252C,Dow Corning 245,Dow Corning 245 Fluid,Dow Corning 345,Dow Corning 345 Fluid,Dow Corning 345EU,Execol D 5,KF 7312T,KF 955,KF 995,LS 9000,Mirasil CM 5,NUC Silicone VS 7158,Pentacyclomethicone,SF 1202,SH 245,SH 245 (siloxane),SH 245 Fluid,Silbione 70045V5,Silbione V 5,Silicon Plus α,Silicone SF 1202,Siloxane D 5,TFS 405,TSF 405,TSF 405A,TSF 465,Tego Polish Additive 5,Union Carbide 7158 Silicone Fluid,VS 7158,Volasil 245,Volatile Silicone Fluid 345,Xiameter PMX,Xiameter PMX 0245

CAS 541-02-6
Molecular Weight (g/mol) 370.77
InChI Formula InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3
Chemical Name or Material Cyclomethicone 5
Synonym Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-,Cyclopentasiloxane, decamethyl- (6CI,8CI,9CI),2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane,Botanisil CP 33,Cyclic dimethylsiloxane pentamer,Cyclo-decamethylpentasiloxane,Cyclomethicone pentamer 245,Cyclopentadimethylsiloxane,Cyclopentasiloxane,D 5 (siloxane),D5,DC 2-5252C,DC 245,DC 345,DC 345 Fluid,Decamethylcyclopentasiloxane,Decamethylcylopentasiloxane,Decamethylpentacyclosiloxane,Dimethylsiloxane pentamer,Dow Corning 2-5252C,Dow Corning 245,Dow Corning 245 Fluid,Dow Corning 345,Dow Corning 345 Fluid,Dow Corning 345EU,Execol D 5,KF 7312T,KF 955,KF 995,LS 9000,Mirasil CM 5,NUC Silicone VS 7158,Pentacyclomethicone,SF 1202,SH 245,SH 245 (siloxane),SH 245 Fluid,Silbione 70045V5,Silbione V 5,Silicon Plus α,Silicone SF 1202,Siloxane D 5,TFS 405,TSF 405,TSF 405A,TSF 465,Tego Polish Additive 5,Union Carbide 7158 Silicone Fluid,VS 7158,Volasil 245,Volatile Silicone Fluid 345,Xiameter PMX,Xiameter PMX 0245
SMILES C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
Recommended Storage +4°C
Molecular Formula C10 H30 O5 Si5
IUPAC Name 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
Formula Weight 370.094