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Physical & Chemical properties

Vapour pressure

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Description of key information

7647-01-0, Hydrogen Chloride,
Weight of evidence is applied: The vapour pressure is 4620 kPa at 25°C.

Key value for chemical safety assessment

Vapour pressure:
4 620 kPa
at the temperature of:
25 °C

Additional information

7647-01-0,Vapour pressure,Pohanish,Sittig's Handbook, 2008,rs

The vapour pressure is 40.5 atm., which is 4104 kPa, no temperature mentioned. .

7647-01-0,Vapour pressure,Daubert,1989, Physical and Thermodynamic Properties of Pure Chemicals Data Compilation,rs

The vapour pressure is 35.424 mm Hg , which is 4723 kPa at 25°C.

7647-01-0,Vapour pressure, ACD labs, calculation, rs

The calculated vapour pressure is 33900 Torr , which is 4519 kPa at 25°C.

Only the last two data are used, because in the first handbook no temperature is mentioned.