Analysis of Ethylene Glycol and Diethylene Glycol in Propylene Glycol

Introduction

An amendment (Supplement Ⅱ) to the Japanese Pharmacopoeia 16th Edition (the Japanese Ministry of Health, Labour and Welfare (MHLW) Notification No. 65, 2011) was announced in the MHLW Notification No. 47. The change became effective on the same day. With this partial revision of the Pharmacopoeia, the Purity section was amended in monographs pertaining to propylene glycol, and specifications related to ethylene glycol, diethylene glycol and related substances were added. In this Application News, we introduce an analysis of ethylene glycol, diethylene glycol and related substances in propylene glycol in accordance with this supplement to the Japanese Pharmacopoeia.

June 25, 2023 GMT