Pressure-Temperature Calculator for Solvents

Accurate understanding of the relationship between pressure and temperature is fundamental in modern laboratories and chemical industries, particularly during distillation, evaporation, and solvent recovery processes. Miscalculations in vapor pressure or boiling points can lead to inefficient workflows, product degradation, or even hazardous conditions.

To solve this problem, Alfa Chemistry offers the solvent pressure-temperature calculator - a calculation tool based on the well-recognized Antoine equation. This calculator allows researchers and process engineers to accurately predict solvent boiling points and vapor pressures under varying operational conditions with ease and precision..

Pressure-Temperature Calculator for Solvents

Select Solvent -- Select --

Formula

--

Antoine's Coefficients

A:

B:

C:

Calculate Temperature/Pressure^*

Valid Temperature Range: --°C

°C

Calculate Pressure

Valid Pressure Range: -- mmHg

mmHg

Calculate Temperature

Reset

Please note:

1. These Antoine coefficients should only be used within the specified temperature ranges in °C. Use outside of this range will result in an error.
2. Please note that we assume no responsibility for the use of this information. For important calculations, the user is strongly advised to check the results against experimental data.

Scientific Foundation: Antoine Equation

The Antoine Equation is a semi-empirical mathematical formula that relates vapor pressure and temperature for pure substances, commonly used in thermodynamic modeling of solvents:

log₁₀⁡P = A - BC + T

Where:

• P = Vapor pressure (commonly expressed in mmHg, bar, or other units)
• T = Temperature (°C)
• A,B,C = Solvent-specific Antoine constants determined experimentally.

Key Characteristics:

• Highly accurate for moderate temperature ranges.
• Effective for both boiling point prediction at a given pressure and vapor pressure estimation at a given temperature.
• Extensively validated in chemical process design and engineering literature.

Applications in Chemistry and Industry

• Vacuum Distillation Optimization
  Accurately determine boiling points under reduced pressure, essential for heat-sensitive solvents.
• Solvent Recovery & Recycling
  Maximize recovery yields by precisely targeting condensation and vaporization conditions.
• Process Safety & Control
  Ensure compliance with emission regulations and minimize unexpected solvent losses in volatile systems.
• Reaction Engineering
  Facilitate precise design of reactors and separation units by accurately predicting solvent phase behaviors.

Related Products

Alfa Chemistry offers organic solvents in a variety of quantities, pH values, reagent grades, and chemical compositions, specially formulated for industrial, medical, academic, and research dissolution applications, suitable for sample purification and chemical synthesis.

For more advanced chemistry tools and digital resources, visit Alfa Chemistry's Web Tool.