92790

2,4,6-Trimethyl-2,4,6-triphenylcyclotrisiloxane

technical, mixture of isomers of cis and trans

• Empirical Formula (Hill Notation): C₂₁H₂₄O₃Si₃
• CAS Number: 546-45-2
• Molecular Weight: 408.67
• Beilstein/REAXYS Number: 2954104
• EC Number: 208-900-7
• MDL number: MFCD00053565
• UNSPSC Code: 12352103
• PubChem Substance ID: 329770170

Properties

• grade: technical
• form: liquid
• impurities: ~15% tetramer (2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane)
• density: 1.102 g/mL at 20 °C (lit.)
• SMILES string: C[Si]1(O[Si](C)(O[Si](C)(O1)c2ccccc2)c3ccccc3)c4ccccc4
• InChI: 1S/C21H24O3Si3/c1-25(19-13-7-4-8-14-19)22-26(2,20-15-9-5-10-16-20)24-27(3,23-25)21-17-11-6-12-18-21/h4-18H,1-3H3
• InChI key: HAURRGANAANPSQ-UHFFFAOYSA-N

Safety Information

• Storage Class: 12 - Non Combustible Liquids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves