Asked by: Wadii Zurfahr
asked in category: General Last Updated: 24th February, 2020

What is the solubility of caffeine in water?

Pure anhydrous caffeine is a bitter-tasting, white, odorless powder with a melting point of 235–238 °C. Caffeine is moderately soluble in water at room temperature (2 g/100 mL), but very soluble in boiling water (66 g/100 mL). It is also moderately soluble in ethanol (1.5 g/100 mL).

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In this manner, does caffeine dissolve in water?

Caffeine is also soluble in water (approx. 16 mg/ml at room temperature, 200 mg/ml at 80°C, or 666 mg/ml in boiling water. Solubility in water is increased by adding dilute acid (e.g. HCl or citric acid).

Similarly, is caffeine soluble in acetone? It is widely used as central nervous system (CNS) stimulant, in the form of coffee.


Solubility Soluble in chloroform, ethyl acetate, pyridine, pyrrole, THF Slightly soluble in benzene, ethanol, petroleum ether
Solubility in acetone 2 g/100 ml
Solubility in benzene 1 g/100 ml
Solubility in chloroform 18.2 g/100 ml

Subsequently, one may also ask, is caffeine soluble in cold water?

Caffeine is soluble in water, and the hotter the water used to brew coffee, the more caffeine is extracted ? meaning you get more caffeine out of the beans and into your coffee. This implies that hot coffee contains more caffeine than cold brew, which is made with cold water.

Is caffeine water or fat soluble?

Caffeine is both water and fat-soluble, meaning it can actually get through the blood-brain barrier and stimulate the brain directly. But it also shares similarities to adenosine, a body nucleoside that scientists believe tells the body it's tired.

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