Isopropanol- isopropanol 70 vol vol ยาฆ่าเชื้อ ,Isopropyl alcohol forms an azeotrope with water, which gives a boiling point of 80.37 oC and a composition of 87.7 wt% (91 vol%) isopropyl alcohol. Water-isopropyl alcohol mixtures have depressed melting points. It has a slightly bitter taste, and is not safe to drink. Isopropyl alcohol becomes increasingly viscous with decreasing temperature.

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