Hexamethylcyclotrisiloxane
Product Description
| Product | Hexamethylcyclotrisiloxane |
| CAS | 541-05-9 |
| Formula | C6H18O3Si3 |
| Synonym | Dimethylsiloxane cyclic trimer, Cyclotrisiloxane, hexamethyl-, 2,2,4,4,6,6-Hexamethyl-[1,3,5,2,4,6] trioxatrisilinane, 2,2,4,4,6,6-Hexamethyl-1,3,5,2,4,6-trioxatrisilinane, cyclotrisiloxane,hexamethyl-, hexamethyl-cyclotrisiloxan, hexamethylcyclortrisiloxane, Hexamethylcyclotrisiloxane, CH7260, HEXAMETHYLCYCLOHEXASILOXANE |
Typical Product Specifications
| Molecular weight | 222.46 |
| EINECS | 208-765-4 |
| SMILES | [Si]1(O[Si](O[Si](O1)(C)C)(C)C)(C)C |
| InChI | 1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3 |
| Melting Point | 64.5 ° C |
| Water solubility | 1.570 mg/L |
| Boiling Point | 134 ° C |
| Atmospheric OH Rate Constant | 5.20E-13 cm3/molecule-sec |
| Henry's Law Constant | 0.064 atm-m3/mole |
| log P (octanol-water) | 4.470 |
| Melting Point | 50-64 °C |
| Density | 1.02 |
| Stability | Stable, but moisture sensitive. Incompatible with strong oxidizing agents. Highly flammable. |
| Vapor Density | 1 |
| Notes | Hexamethylcyclotrisiloxane uses and applications include: Coupling agent; release agent; lubricant; blocking agent; chemical intermediate; undergoes ring-opening anionic polymerization; vehicle in cosmetics Suggested storage of Hexamethylcyclotrisiloxane: Store in cool, dry place; keep container closed; moisture-sensitive; keep away from heat, sparks, open flame |
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