70131-67-8 Siloxanes and Silicones, di-Me, hydroxy-terminated Siloxanes and Silicones di-Me, hydroxy-terminated 42% in dimethyl hydrolyzate Q 4-2737 X 21-22-160AS X 22-160A X 22-160AS X 22-160B X 22-176B Baysilon C 0.7 FM 0411 alpha-Hydro-omega-hydroxypoly(dimethylsiloxane) Macromonomer HK20 Polydimethylsiloxane, hydroxy end-blocked PS 195 PS 339.7 RF 5000 Silanol-terminated di-Me siloxanes Silicone L-90000/1000 Siltech S 700 Poly(oxy(dimethylsilylene), alpha-hydro, omega-hydroxy- Hydroxy-terminated dimethyl siloxanes and silicones CAS 70131-67-8

Description

70131-67-8 Siloxanes and Silicones, di-Me, hydroxy-terminated Siloxanes and Silicones di-Me, hydroxy-terminated 42% in dimethyl hydrolyzate Q 4-2737 X 21-22-160AS X 22-160A X 22-160AS X 22-160B X 22-176B Baysilon C 0.7 FM 0411 alpha-Hydro-omega-hydroxypoly(dimethylsiloxane) Macromonomer HK20 Polydimethylsiloxane, hydroxy end-blocked PS 195 PS 339.7 RF 5000 Silanol-terminated di-Me siloxanes Silicone L-90000/1000 Siltech S 700 Poly(oxy(dimethylsilylene), alpha-hydro, omega-hydroxy- Hydroxy-terminated dimethyl siloxanes and silicones (CAS 70131-67-8) is a high-purity analytical reference standard with the molecular formula C2H8O2Si and a molecular weight of 92.17 g/mol.

Structurally, 70131-67-8 Siloxanes and Silicones, di-Me, hydroxy-terminated Siloxanes and Silicones di-Me, hydroxy-terminated 42% in dimethyl hydrolyzate Q 4-2737 X 21-22-160AS X 22-160A X 22-160AS X 22-160B X 22-176B Baysilon C 0.7 FM 0411 alpha-Hydro-omega-hydroxypoly(dimethylsiloxane) Macromonomer HK20 Polydimethylsiloxane, hydroxy end-blocked PS 195 PS 339.7 RF 5000 Silanol-terminated di-Me siloxanes Silicone L-90000/1000 Siltech S 700 Poly(oxy(dimethylsilylene), alpha-hydro, omega-hydroxy- Hydroxy-terminated dimethyl siloxanes and silicones (C2H8O2Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of -1.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 92.17 g/mol, it falls into the low-molecular-weight range.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 70131-67-8 Siloxanes and Silicones, di-Me, hydroxy-terminated Siloxanes and Silicones di-Me, hydroxy-terminated 42% in dimethyl hydrolyzate Q 4-2737 X 21-22-160AS X 22-160A X 22-160AS X 22-160B X 22-176B Baysilon C 0.7 FM 0411 alpha-Hydro-omega-hydroxypoly(dimethylsiloxane) Macromonomer HK20 Polydimethylsiloxane, hydroxy end-blocked PS 195 PS 339.7 RF 5000 Silanol-terminated di-Me siloxanes Silicone L-90000/1000 Siltech S 700 Poly(oxy(dimethylsilylene), alpha-hydro, omega-hydroxy- Hydroxy-terminated dimethyl siloxanes and silicones under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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