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English name: HexamethylcyclotrisiloxaneChinese name: HexamethylcyclotrisiloxaneChinese synonyms: hexamethylcyclotrisiloxane; hexamethylcyclotrisiloxane (D3); cyclotrimethicone; hexamethylcyclotrisiloxane;CAS number 541-05-9Molecular formula C6H18O3Si3Molecular weight 222.46200Physical and chemical properties of hexamethylcyclotrisiloxane:The appearance of hexamethylcyclotrisiloxane is colorless to white crystalline powder;Refractive index: 1.417Flash point: 95 °FMelting point: 50-64 °C(lit.)Density: 1.02Water solubility: may decompo... more