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| CAS No.: | 17082-47-2 |
|---|---|
| Name: | TETRAKIS(DIMETHYLSILOXY)SILANE |
| Article Data: | 9 |
| Molecular Structure: | |
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| Formula: | C8H28O4Si5 |
| Molecular Weight: | 328.735 |
| Synonyms: | Trisiloxane,3,3-bis(dimethylsiloxy)-1,1,5,5-tetramethyl- (6CI,8CI);3,3-Bis(dimethylsiloxy)-1,1,5,5-tetramethyltrisiloxane;3,3-Bis(dimethylsilyloxy)-1,1,5,5-tetramethyltrisiloxane;SIT 7278;SIT 7278.0;T 1915;TSL 8248;Tetrakis(dimethylsiloxy)silane;Tetrakis(dimethylsilyl)orthosilicate;Tetrakis(dimethylsilyloxy)silane; |
| EINECS: | 222-613-4 |
| Density: | 0.884 g/mL at 25 °C(lit.) |
| Melting Point: | <0°C |
| Boiling Point: | 228.3 °C at 760 mmHg |
| Flash Point: | 91.9 °C |
| Solubility: | Not miscible or difficult to mix in water. |
| Hazard Symbols: |
 Xi
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| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 36.92000 |
| LogP: | 1.42200 |
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Specification
The Trisiloxane,3,3-bis[(dimethylsilyl)oxy]-1,1,5,5-tetramethyl-, with CAS registry number 17082-47-2, belongs to the following product categories: (1)Si (Classes of Silicon Compounds); (2)Siloxanes; (3)Si-O Compounds. It has the systematic name of tetrakis(dimethylsilyl) orthosilicate. And the chemical formula of this chemical is C8H28O4Si5. What's more, its EINECS is 222-613-4.
Physical properties of Trisiloxane,3,3-bis[(dimethylsilyl)oxy]-1,1,5,5-tetramethyl-: (1)ACD/LogP: 10.64; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 10.64; (4)ACD/LogD (pH 7.4): 10.64; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 10000000; (8)ACD/KOC (pH 7.4): 10000000; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 36.92 Å2; (13)Flash Point: 91.9 °C; (14)Enthalpy of Vaporization: 44.6 kJ/mol; (15)Boiling Point: 228.3 °C at 760 mmHg; (16)Vapour Pressure: 0.112 mmHg at 25°C.
Preparation: this chemical can be prepared by chloro-dimethyl-silane. This reaction will need reagents SiCl4, H2O.
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You can still convert the following datas into molecular structure:
(1)SMILES: O([SiH](C)C)[Si](O[SiH](C)C)(O[SiH](C)C)O[SiH](C)C
(2)InChI: InChI=1/C8H28O4Si5/c1-13(2)9-17(10-14(3)4,11-15(5)6)12-16(7)8/h13-16H,1-8H3
(3)InChIKey: GTWPLTBXXGOHNT-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C8H28O4Si5/c1-13(2)9-17(10-14(3)4,11-15(5)6)12-16(7)8/h13-16H,1-8H3
(5)Std. InChIKey: GTWPLTBXXGOHNT-UHFFFAOYSA-N