How to remove ferric chloride stains from skin

Ferric chloride also known as iron III chloride is an inorganic compound that contains iron and chlorine. It can be used in various ways but is more popularly used as a water purifier. Ferric chloride makes water drinkable by riding it off any impurity, contamination, or harmful substances.

Given the tendency of this substance towards cleanliness, it will be almost impossible to think that they can be the source of uncleanness. Sounds almost self-contradictory right? Well, that’s true!

How to remove ferric chloride stains from skin

When ferric chloride comes in contact with the skin or any other surfaces, it can stain them. Ferric chloride stain is difficult to clean and won’t come off easily. This is why I have decided to write an article about how to remove ferric chloride stains.

What makes up ferric chloride

Ferric chloride is made up of Iron, ferrous chloride, nitric acid, ferric oxide, act iron and chlorine gas, hydrochloric acid, and water.

Is ferric chloride harmful to the skin

Yes, ferric chloride is harmful to the skin. Ferric chloride is a corrosive substance and can cause both skin and eye irritation.

The underlying health issues relating to ferric chloride are not only limited to skin or eye irritation alone. It is also known to cause other acute health problems to like; hypertension, stomach pain, diarrhea, lethargy, dilated pupils, fever, difficulty in breathing, and death.

What happens if you get ferric chloride on the skin

Ferric chloride is highly toxic and it’s the last thing you would want to come in contact with your skin or any part of your body because of its burning effect.

If ferric chloride in its liquid or vapor form should accidentally come in contact with the skin, it can cause serious injury and in some extreme cases, death.

Ferric chloride is dangerous and must be avoided at all costs if you are not a professional chemist or do not have knowledge about the composition of the chemical.

If you can’t avoid this highly corrosive substance in your line of work, you should ensure that you protect your eyes, nose, and every other sensitive organ of your body that is likely to be directly exposed to the chemical.

You can protect yourself by taking any of the following precautionary measures.

Protecting the eyes

Before you start using the chemical, ensure that you are wearing a splash repellant google or protective glasses with shielded sides. If the chemical is to be sprayed or splashed, you must wear a full face protector and make sure that an eyewash fountain is readily available.

Protecting the Respiratory system

Make sure the area or space you are about to use ferric chloride is well ventilated to help keep chemical vapor below the standard exposure threshold. And also, ensure that you wear a respirator with an in-built dust/vapor cartridge recommended by the national institute for occupational safety and health (NIOSH) if you are likely to be exposed to dust/vapor if you are carrying out your experiment in a confined place.

Protecting the skin

Wear protective gloves, jackets, boots, apron, hood, pants that cannot be directly affected by the chemical. Ensure that a safe shower with a quick and easy-to-use valve is readily available. Also, to prevent the water from freezing up during cold seasons, ensure the water is distributed through insulated pipes.

What is the difference between ferrous chloride and ferric chloride?

Ferrous chloride and ferric chloride may have some similarities, for example, they are both used as a purifying agent. But they are different in some ways. Highlighted below are the differences between the two substances.

  1. The oxidation state of the Fe atom present in ferrous chloride is +2 while the oxidation state of the Fe atom present in ferric chloride is +3.
  2. Ferrous chloride has a tan-like coloration while the color of ferric chloride is determined by light projection.
  3. Ferrous chloride exists majorly in two forms; dihydrated and tetrahydrate form. While Ferric chloride on the other hand exists majorly in four forms; FeCI3.6H2O, FeCI3.2.5H2O, FeCI3.2H2O, and FeCI3.3.5H2O.
  4. Ferrous chloride is prepared by refining steel production waste using HCI acid. While Ferric chloride is prepared by mixing the resultant element where iron is reacted with chlorine gas.

What can I use to remove Ferric chloride stain from the skin

Fortunately, removing ferric chloride stain from the skin is not so difficult. Just ensure that you wash the affected spot immediately with lots of water.

And after wash, you can still have some traces on your skin, you can try again with soap and water.

How to clean ferric chloride

Ferric chloride is not a regular stain, so you are going to need a strong cleaning solution or powder if you want to completely get rid of it. Series of encounters on the internet has made me realize that our regular super effective home-based cleaners like vinegar, baking soda, and isopropyl alcohol are not a match for this tough substance.

The best way to clean ferric chloride is to use Ferric chloride stain remover.

How to remove ferric chloride from clothing using a ferric chloride stain remover

  1. Pour the ferric stain remover powder generously on the cloth and spread so that it can cover all affected areas.
  2. Scrub the affected areas as gently as you can with a wet towel or sponge.
  3. Once the stain is completely gone, rinse and wash the cloth the normal way and dry.


Ferric Chloride stain remover is highly corrosive and can affect open wounds and cut. Therefore, you must wear protective gloves and glasses to protect against burning.

It is also important to rinse clothes or any other items/equipment treated rigorously and machine/hand washed before wearing.

Curious to learn why does silver nitrate stain skin or how to remove gentian violet from skin too?

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