<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343468</termId><termName>propylene glycol</termName><termType>PT</termType><termNote><![CDATA[ Viscous liquid alcohol with a wide variety of uses, especially as an antifreeze, and as a solvent and emulsifier for synthetic resins and essential oils. It is much like ethylene glycol but is non-toxic. ]]></termNote><termCreatedDate>2026-03-30 20:32:38</termCreatedDate><relation><relationType>UF</relationType><termId>31343469</termId><termName>glycol, propylene</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320069</termId><termName>solvent by composition or origin</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation></term>  </Zthes>