How to Dispose of Antifreeze: 8 Best Ways

Wondering how to dispose of antifreeze? Antifreeze is a substance added to water or other liquids to lower their freezing point. It is used in cars and homes, and while it is very effective, it can also be very dangerous.

Antifreeze is poisonous if ingested by either animals or humans, so it is important to be careful when handling it.

If you have a container of Antifreeze that needs to be disposed of, don’t just pour it down the drain! There are safe methods to get rid of Antifreeze, and in this blog post, we will discuss how to dispose of antifreeze.

Types of Antifreeze

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Because it contains glycol, an ingredient that is poisonous to both people and animals, Antifreeze is dangerous.

There are two types of Antifreeze, each with its level of toxicity: Type 1 (the less toxic) contains ethylene glycol as the primary component; type 2 (the more toxic) includes propylene glycol.

1. Ethylene Glycol Antifreeze:

This is by outlying the more dangerous of the two types of Antifreeze available today. It includes ethylene glycol, a hazardous chemical that, if ingested, can harm the brain, liver, lungs, and kidneys. If left unchecked, this can result in organ failure or death.

Ethylene glycol may also lead to congenital disabilities and reproductive problems. Making matters more harmful is the fact that this type of Antifreeze has a pleasant sweet scent and taste that might attract dogs and toddlers.

2. Propylene Glycol Antifreeze

The main difference between hydrocarbons and ethylene glycol is that the former replaces the formerly mentioned ethylene glycol component in Antifreeze with a different part called propylene glycol.

Propylene glycol is less hazardous than ethylene glycol, but it must be treated cautiously. If consumed in immense amounts, it can cause damage.

How to Dispose of Antifreeze? 

If you need to dispose of Antifreeze, there are a few different ways you can do it. Here are the most common methods:

1. Take it to a recycling center

Many cities have recycling centers that will accept Antifreeze. Call around and see if there is one near you. Some car dealerships and mechanics will also get Antifreeze for recycling. Furthermore, some Antifreeze companies will also take it back for recycling.

2. Pour it into the ground

If you have a large amount of Antifreeze, you can pour it into the ground. Be sure to do this in an area not near water sources, as the Antifreeze can contaminate the water. You should also dig a hole and bury the Antifreeze so that animals cannot get to it.

3. Add it to an oil disposal bin

You can usually find these bins at auto shops or gas stations. Check with the attendant before adding anything, as some containers only accept motor oil. Also, add the Antifreeze to the bin slowly, so it doesn’t overflow.

4. Take it to a hazardous waste facility

Most cities have a precarious waste facility where you can dispose of Antifreeze and other dangerous materials. Call your city’s public works department to find the nearest facility.

In addition, be sure to check what days and times the facility is open, as they often have specific hours for dropping off materials.

5. Check out whether your Antifreeze is used, diluted, or unused/undiluted

Used, diluted, and unused/undiluted Antifreeze have different disposal options. Because used and diluted Antifreeze may include hazardous metals, it must be separated.

6. Drain the radiator of the old Antifreeze

When draining your radiator and replacing Antifreeze, make sure to use safety equipment such as goggles, a mask, and gloves. Allow the engine to cool fully before removing old Antifreeze by parking it on a level surface. Before you drain your radiator, disconnect the battery; this will prevent any electrical damage from occurring.

Open the drain valve with pliers after placing a drain pan beneath it. Allow the liquid Antifreeze to flow into the pan completely before closing the drain valve again. Pour the Antifreeze into a sealable plastic container.

Check your car’s owner’s handbook or contact the manufacturer to find out how much replacement antifreeze you’ll need and what proportion of Antifreeze and water you should put in the radiator.

7. Pour it into the sand container

If your municipality has a sand container for used oil, you can also pour the Antifreeze into this. It is a great option if you don’t have much Antifreeze to dispose of.

8. Flush it down the toilet

 It is only an alternative if you have a septic tank, as Antifreeze can damage sewage systems. Check with your local authorities before flushing anything down the toilet.


There are many different ways to dispose of Antifreeze, and the best method for you will depend on how much Antifreeze you have and what is available in your area.

Be sure to handle Antifreeze with care, as it is poisonous if ingested. And always be sure to check with your local authorities before disposing of any hazardous materials.

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