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| CAS No.: | 6166-86-5 |
|---|---|
| Name: | PENTAMETHYLCYCLOPENTASILOXANE |
| Article Data: | 11 |
| Molecular Structure: | |
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| Formula: | C5H20O5Si5 |
| Molecular Weight: | 300.638 |
| Synonyms: | 1,3,5,7,9-Pentamethylcyclopentasiloxane;2,4,6,8,10-Pentamethylcyclopentasiloxane;D 5H;LS 8990;Pentamethylcyclopentasiloxane; |
| EINECS: | 228-204-7 |
| Density: | 0.992 g/mL at 25 °C(lit.) |
| Melting Point: | -108°C |
| Boiling Point: | 169 °C at 760 mmHg |
| Flash Point: | 52.9 °C |
| Solubility: | 110-1000000000μg/L at 20℃ |
| Hazard Symbols: |
 Xi
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| Risk Codes: | 10-36/37/38 |
| Safety: | 16-26-36 |
| Transport Information: | UN 1993 |
| PSA: | 46.15000 |
| LogP: | -0.66550 |
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Specification
This chemical is called Cyclopentasiloxane, 2,4,6,8,10-pentamethyl-, and its CAS registry number is 6166-86-5. With the molecular formula of C5H20O5Si5, its product categories are Organometallic Reagents; Silicon Organometallic Reagents; Precursors by Metal; Siloxanes; Vapor Deposition Precursors.
Other characteristics of the Cyclopentasiloxane, 2,4,6,8,10-pentamethyl- can be summarised as followings: (1)#H bond acceptors: 5; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 46.15 Å2; (5)Flash Point: 52.9 °C; (6)Enthalpy of Vaporization: 38.88 kJ/mol; (7)Boiling Point: 169 °C at 760 mmHg; (8)Vapour Pressure: 2.09 mmHg at 25°C.
Uses of this chemical: The 2,4,6,8,10-pentachloro-2,4,6,8,10-pentamethyl-cyclopentasiloxane could be obtained by the reactant of Cyclopentasiloxane, 2,4,6,8,10-pentamethyl-. This reaction needs the reagent of chlorine.
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When you are using this chemical, please be cautious about it as the following: This chemical is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing if you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. For it's flammable, keep it away from the sources of ignition.
You can still convert the following datas into molecular structure:
1.SMILES: O1[SiH](O[SiH](O[SiH](O[SiH](O[SiH]1C)C)C)C)C
2.InChI: InChI=1/C5H20O5Si5/c1-11-6-12(2)8-14(4)10-15(5)9-13(3)7-11/h11-15H,1-5H3
3.InChIKey: HGPDWMTUQRNTQT-UHFFFAOYAZ