Does salt water conduct electricity?

In this brief guide, we will answer the question “Does salt water conduct electricity?” and discuss some other properties of salt.

Does salt water conduct electricity?

Yes, salt water conducts electricity. In fact, it is a better conductor of electricity than pure water. This is because when salt dissolves in water, it gets separated into positively charged sodium ions and negatively charged chloride ions. They float freely in the water and conduct electricity.

Does salt conduct electricity?

No salt itself does not conduct electricity but when dissolved in water, it does. Table salt is sodium chloride (NaCl). The sodium and chlorine are strongly held together by ionic bonds. Each atom of sodium donates an electron to a chlorine atom. In doing so, sodium acquires a positive charge while chlorine acquires a negative charge.

When salt is dissolved in water, sodium and chlorine ions are separated. These freely floating ions help in conduction of electricity

Does salt dissolve in water?

Yes, salt completely dissolves in water. Water is a very polar compound and so is salt. Salt has negative and positive charges which are attracted by positive and negative sides of water respectively. Eventually this attraction results in the separation of sodium and chlorine ions dissolving the salt completely.

Does salt dissolve in vinegar?

Yes, salt dissolves in vinegar. Vinegar contains acetic acid and mostly water. Water is a polar solvent and dissolves salt.

Vinegar and salt solutions are usually used for cleaning purposes.

Does salt dissolve in oil?

No, salt does not dissolve in oil because oil is nonpolar. Salt dissolves in solvents that have a charge like water which is polar. This difference in polarity renders salt undissolved in oil. 

Does salt dissolve in alcohol?

Salt does not dissolve as easily in alcohol as it does in water. This is because alcohol has much less polarity which is not enough to attract the sodium and chlorine ions and separate them.

Does salt absorb moisture?

Yes, salt absorbs moisture. Salt is a hygroscopic substance that means it can absorb moisture. It does this through the phenomena of osmosis. Salt usually tends to dissolve in water but in cases where salt is in a higher concentration, it will draw out the moisture but would not dissolve. 

This is the reason why salt gets clumpy when there is excess moisture and also why salt gets stuck in a salt shaker.

Can salt absorb moisture from air and act as a dehumidifier?

Rock salt is more suitable for when you want to draw out excess moisture from air. It is an inexpensive method of dehumidifying air. 

Learn more about the properties of salt here.

Does salt burn?

No, salt does not burn. Salt needs extremely high temperatures to catch fire. Many of us at some point would have wondered if salt can catch fire because it is probably the most common staple found in everyone’s kitchen.

The good thing is that it does not catch fire, it is inflammable. The extremely hot temperature required to put it on fire is so high that it is not possible to reach that temperature in your kitchen. 

What makes salt inflammable?

Salt is inflammable due to its chemical composition. Salt is made from sodium (Na) and chloride (Cl). Sodium has a positive charge while chlorine has a negative charge. They come together and form a very strong ionic bond which needs very high energy to break it. It is not possible to easily break such a strong ionic bond.

Now, sodium and chloride individually are very reactive. It is only when they are bonded together so strongly, they do not react as easily. 

Does salt melt?

Yes, salt melts at a very high temperature. The temperature required to melt salt is 800 degrees C. Such a high temperature can not be reached in your kitchen.

When the salt reaches 800 degrees C, it becomes a liquid. This liquid is called molten salt. So salt melts and not burns.


In this brief guide, we answered the question “Does salt water conduct electricity?” and discussed some other properties of salt.


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.