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| CAS No.: | 18420-09-2 |
|---|---|
| Name: | 1,1,3,3-TETRAMETHYL-1,3-DIETHOXYDISILOXANE |
| Article Data: | 13 |
| Cas Database | |
| Molecular Structure: | |
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| Formula: | C8H22O3Si2 |
| Molecular Weight: | 222.432 |
| Synonyms: | 1,1,3,3-Tetramethyl-1,3-diethoxydisiloxane;1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane;1,3-Diethoxytetramethyldisiloxane;a,w-Diethoxytetramethyldisiloxane; |
| EINECS: | 242-298-7 |
| Density: | 0.883 g/mL at 25 °C(lit.) |
| Melting Point: | -134 °C |
| Boiling Point: | 183.3 °C at 760 mmHg |
| Flash Point: | 53.6 °C |
| Appearance: | WHITE TO OFF-WHITE POWDER |
| Hazard Symbols: |
 Xi
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| Risk Codes: | 10-36/37/38 |
| Safety: | 16-26-36 |
| PSA: | 27.69000 |
| LogP: | 2.47960 |
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Specification
The Disiloxane,1,3-diethoxy-1,1,3,3-tetramethyl-, with the CAS registry number 18420-09-2, is also known as 1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane. It belongs to the product categories of Di-Alkoxy Silanes Organometallic Reagents; Organosilicon; Self Assembly & Contact Printing; Silane Coupling Agents/Adhesion Promoters; Siloxanes. Its EINECS registry number is 242-298-7. This chemical's molecular formula is C8H22O3Si2 and molecular weight is 222.43. Its IUPAC name is called ethoxy-[ethoxy(dimethyl)silyl]oxy-dimethylsilane.
Physical properties of Disiloxane,1,3-diethoxy-1,1,3,3-tetramethyl-: (1)ACD/LogP: 4.92; (2)ACD/LogD (pH 5.5): 4.92; (3)ACD/LogD (pH 7.4): 4.92; (4)ACD/BCF (pH 5.5): 3222.99; (5)ACD/BCF (pH 7.4): 3222.99; (6)ACD/KOC (pH 5.5): 11292.94; (7)ACD/KOC (pH 7.4): 11292.94; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 6; (10)Index of Refraction: 1.406; (11)Molar Refractivity: 61.78 cm3; (12)Molar Volume: 251.1 cm3; (13)Surface Tension: 19.4 dyne/cm; (14)Density: 0.885 g/cm3; (15)Flash Point: 53.6 °C; (16)Enthalpy of Vaporization: 40.24 kJ/mol; (17)Boiling Point: 183.3 °C at 760 mmHg; (18)Vapour Pressure: 1.06 mmHg at 25°C.
When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is flammable. In addition, it is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CCO[Si](C)(C)O[Si](C)(C)OCC
(2)InChI: InChI=1S/C8H22O3Si2/c1-7-9-12(3,4)11-13(5,6)10-8-2/h7-8H2,1-6H3
(3)InChIKey: NPOYZXWZANURMM-UHFFFAOYSA-N