Analyzing Pentaerythritol Stearate Homologs with NMR Spectroscopy

Analyzing Pentaerythritol Stearate Homologs with NMR Spectroscopy

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A pentaerythritol stearate sample with subscribfy_subscription_product unknown composition was analyzed by nuclear magnetic resonance (NMR) spectroscopy (i.e., 1H NMR, quantitative 13C NMR, DEPT135, 1H-1H COSY, 1H-1H NOESY, 1H-13C HSQC and 1H-13C HMBC).The results indicated that the sample contained mainly monopentaerythritol tetrastearate, but Jandy TruClear Parts also had small amounts of monopentaerythritol tristearate, monopentaerythritol distearate, dipentaerythritol stearate and tripentaerythritol stearate, as well as a trace amount of multipentaerythritol stearate.