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Assuming by "room temperature" you mean about 77 °F (25 °C), the vapor pressure of methanol at saturation would be about 158 mmHg.

= 0.211 bar

= 21.1 kPa

= 0.208 atm

= 3.05 psia

You can estimate the vapor pressure using the formula

log10(P) = -(0.05223)a/T + b

where P is in mmHg, T is in kelvins, a = 38324, and b = 8.8017

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9y ago
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14y ago

Toluene is a liquid at room tempeature. I is a hydrocarbon compound similar to gasoline and benzene.

Physical and Chemical Properties are as follows.

Colorless liquid (at room temp.)

Molecular formula C7H8

Molecular weight 92.13 g/mol

Density 0.8661 g/cm3 @ 20°C

Boiling point 110.6 ° C (CRC, 1994)

Melting point -94.9° C (CRC, 1994)

Vapor pressure 28.1 torr @ 25°C (U.S. EPA, 1984)

Solubility miscible in most organic solvents

Conversion factor 1 ppm = 3.76 mg/m3 @ 25°C

See CAS Registry Number: 108-88-3 for full details.

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15y ago

21.9mmHg

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Q: What is the methanol vapor pressure at room temperature?
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