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Isopropanol (2-Propanol) based Freeze Protected Water Solutions

Freezing and flash points of isopropanol (2-Propanol) based water solutions or brines.

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Isopropyl alcohol is also commonly used as a cleaner and solvent in industry. It is also used as a gasoline additive for dissolving water or ice in fuel lines.

Freezing Point of Isopropanol (2-Propanol) based Water Solutions

Freezing Point
Isopropanol Concentration (% by volume)		0	10	20	30	40	50	60	70	80	90	100
Temperature	^oF	32	25	20	5	0	-5	-10	-20	-35	-70	-130
Temperature	^oC	0	-4	-7	-15	-18	-21	-23	-29	-37	-57	-90

Flash Points of Isopropanol (2-Propanol) based Water Solutions

The flash point of a chemical is the lowest temperature where it will evaporate enough fluid to form a combustible concentration of gas. The flash point is an indication of how easy a chemical may burn.

Flash Point
Isopropanol Concentration (% by volume)		0	10	20	30	40	50	60	70	80	90	100
Temperature	^oF	-	105	85	75	70	65	65	65	65	65	53
Temperature	^oC	-	41	29	24	21	18	18	18	18	18	12

Alternatives to Isopropanol (2-Propanol) based Water Solutions

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Related Topics

Material Properties - Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
Melting and Freezing Points - Melting and freezing points of elements and chemical species at varying conditions.

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Engineering ToolBox, (2005). Isopropanol (2-Propanol) based Freeze Protected Water Solutions. [online] Available at: https://www.engineeringtoolbox.com/ispropanol-water-d_988.html [Accessed Day Mo. Year].

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