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Micro Method Determination of Boiling Point of 95% Ethyl Acetate (CAT#: STEM-PPA-0138-YJL)

Introduction

Ethyl Acetate is an organic ester compound with a molecular formula of C4H8O2 (commonly abbreviated as EtOAc or EA), appears as a colorless liquid. It is highly miscible with all common organic solvents (alcohols, ketones, glycols, esters), which make it a common solvent for cleaning, paint removal and coatings.<br />Ethyl acetate is found in alcoholic beverages, cereal crops, radishes, fruit juices, beer, wine, spirits etc. It has a fruity characteristic odor that is commonly recognized in glues, nail polish remover, decaffeinating tea and coffee, and cigarettes. Due to its agreeable aroma and low cost, this chemical is commonly used and manufactured in large scale in the world, as over 1 million tons annually.




Principle

The boiling point of a compound is the temperature at which it changes from a liquid to a gas under a certain pressure. This is a physical property often used to identify substances or to check the purity of the compound. Boiling point is the temperature at which the vapor pressure of the liquid exactly equals the pressure exerted on it, causing the liquid to "boil" or change to the gas phase. If the volume of the liquid is small, it is more advantageous to use the micro method.

Applications

Chemical industry

Procedure

1. Place the liquid is in a small test tube
2. Install the device
3. Heat
4. Remove the heat
5. Read the thermometer and record the temperature when the bubbles stop

Materials

• Sample Type: liquid