1,1,3,3,5,5,7,7-OCTAMETHYLTETRASILOXANE

• CAT Number: M069953
• CAS Number: 1000-05-1
• Molecular Formula: C8H24O3Si4
• Molecular Weight: 280.62
• Purity: ≥95%
• Storage: -20°C
• IUPAC Name: [[(dimethyl-$l^{3}
• InChI: InChI=1S/C8H24O3Si4/c1-12(2)9-14(5,6)11-15(7,8)10-13(3)4/h1-8H3
• InChIKey: ILBWBNOBGCYGSU-UHFFFAOYSA-N
• SMILES: C[Si](C)O[Si](C)(C)O[Si](C)(C)O[Si](C)C

1,1,3,3,5,5,7,7-Octamethyltetrasiloxane (Cat No.:M069953) is a member of the siloxane family, consisting of four silicon atoms and eight methyl groups. It is commonly referred to as octamethylcyclotetrasiloxane (D4) due to its cyclic structure. With the molecular formula C8H24O4Si4, this clear and odorless liquid is used as a volatile carrier solvent, intermediate, or starting material in various industrial applications. It plays a significant role in the production of silicones, such as silicone polymers, elastomers, and resins, as well as in personal care products and electronics manufacturing.