13 Household Items That Can Actually Explode If Stored Wrong

Cans of aerosol spray paint.

Storing household items might seem straightforward, but you’d be surprised how many common items can actually pose explosive risks if stored incorrectly. It’s easy to overlook the potential dangers lurking in your closet, garage, or even your bathroom. So let’s dive into a list of household items you might want to keep a closer eye on. Here are 13 items that can explode if not stored correctly.

1. Aerosol Cans

Cans of aerosol spray paint.
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Aerosol cans are incredibly convenient for everything from cleaning to personal care. However, they can become dangerous if exposed to high temperatures. When aerosol cans are stored in places like hot garages or near stoves, the pressure inside can build up and cause them to explode. It’s essential to store these cans in a cool, dry place to avoid any mishaps. According to the National Fire Protection Association, improper storage of aerosol cans can lead to significant property damage and even injuries.

Furthermore, be cautious about disposing of aerosol cans. Even when empty, they can still contain enough propellant to cause an explosion if crushed or punctured. Always follow the disposal instructions on the can or consult your local waste management guidelines. If you’re unsure, it’s better to err on the side of caution. It’s a simple step that can prevent potential accidents.

2. Batteries

Closeup Of Pile Of Used Alkaline Batteries.
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Everyone uses batteries, but not everyone knows they can explode if not stored correctly. When you toss batteries in a drawer filled with metal objects, you run the risk of creating a short circuit. This can generate enough heat to cause an explosion or even start a fire. Always store your batteries in their original packaging or a plastic container to reduce these risks.

Temperature extremes can also affect batteries. High temperatures can cause batteries to leak or even explode, while freezing temperatures can lower their capacity. Therefore, it’s crucial to store them in a cool, dry place. Following these storage tips can help extend the life of your batteries and keep your home safe.

3. Cooking Oil

Vegetable oil in a pan.
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You might not think of cooking oil as explosive, but under certain conditions, it can be. When stored near a heat source or in a place where it can reach its flash point, cooking oil can ignite. Keeping oil bottles away from stoves or ovens minimizes this risk. Dr. James Smith, a fire safety expert, advises storing oils in a cool, dark cabinet to prevent any fire hazards.

Improper disposal also poses risks. Pouring oil down the drain can cause plumbing issues and even fires if the oil catches fire in the sewer line. Instead, allow the oil to cool and then dispose of it in a sealed container. Proper storage and disposal can make a big difference in preventing accidents.

4. Nail Polish Remover

Woman with red nails.
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Nail polish remover is a staple in many households, but it can be extremely volatile. The main ingredient, acetone, is highly flammable and can easily ignite if exposed to high temperatures or open flames. Therefore, keeping it away from heat sources like hairdryers or curling irons is crucial. Always store it in a cool, dry place to prevent any explosive situations.

The fumes from nail polish remover can also be harmful. Make sure the area is well-ventilated when using it to avoid inhaling toxic fumes. Wearing a mask can add an extra layer of safety if you’re using it for an extended period. These simple precautions can go a long way in making your home safer.

5. Flour

Pile of flour.

Flour might seem harmless, but in the right conditions, it’s surprisingly flammable. Fine flour particles can become explosive when suspended in the air and exposed to an ignition source. Storing flour in an airtight container can help minimize this risk. According to a study by Dr. Emily Johnson from the University of Minnesota, dust explosions in food facilities are more common than people think.

It’s also important to avoid letting flour accumulate on surfaces where it can become airborne. If you’re working with flour, ensure your workspace is clean and well-ventilated. This will not only make your cooking process more efficient but also safer. Understanding these risks can help you handle flour more responsibly.

6. Paint Thinner

Two people painting walls of home.
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Paint thinner is a common household item for those who enjoy DIY projects or painting. However, it’s a highly flammable liquid that can ignite if stored improperly. Keeping paint thinner in a garage or near any heat source poses a significant risk. Instead, it should be stored in a cool, dark place, away from sunlight and ignition sources.

Proper disposal is equally important. Never pour paint thinner down the drain, as it can cause plumbing issues and environmental harm. Instead, look for designated disposal facilities that can handle hazardous materials. Taking these steps can prevent potentially dangerous situations in your home.

7. Propane Tanks

Men grilling at a tailgate.
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Propane tanks are great for grilling, but can be hazardous if not stored correctly. If a tank is exposed to heat or physical damage, it can leak and cause an explosion. Tank safety is not just about the tank itself, but also where and how you store it. The U.S. Consumer Product Safety Commission advises storing propane tanks upright and in a well-ventilated area to prevent accidents.

It’s also essential to regularly inspect your tanks for signs of wear or damage. A leaking valve or rusted component can increase the risk of an explosion. If you notice any issues, it’s best to replace the tank or consult a professional. Your safety should always come first when dealing with propane.

8. Lighter Fluid

Friends grilling food outside.
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Lighter fluid is necessary for starting barbecues or campfires, but it’s risky if not handled correctly. Like other flammable liquids, storing lighter fluid near a heat source or open flame can result in an explosion. Always store it in a cool, well-ventilated area, away from other chemicals. It’s also crucial to keep lighter fluid out of reach of children.

When using lighter fluid, be sure to follow the instructions carefully. Using too much or applying it to an already lit fire can lead to flare-ups. This makes the environment unsafe not only for you but also for anyone nearby. Taking these precautions ensures a safer grilling or camping experience.

9. Cleaning Products

Cleaning products in a bucket.
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Cleaning products are essential for maintaining a clean home, but they can be dangerous if stored improperly. Many contain volatile organic compounds (VOCs) that can ignite if exposed to high temperatures. Storing them under the sink or in a hot garage increases the risk of an explosion. It’s better to keep them in a cool, dry place away from direct sunlight.

Mixing cleaning products can also be hazardous. Combining products like bleach and ammonia can produce toxic gases and even explosions. Always read the labels and follow the instructions carefully. Ensuring your storage methods are safe will make your cleaning routine more effective and secure.

10. Alcohol-Based Hand Sanitizers

Bottle of hand sanitizer.
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Since the pandemic, hand sanitizers have become a household staple. Most contain a high percentage of alcohol, making them flammable. Storing them in a hot car or near a heat source can result in an explosion. Keep hand sanitizers in a cool, dry place, and avoid exposing them to direct sunlight.

It’s also essential to use them safely. Avoid using hand sanitizers before handling open flames, like candles or gas stoves. The risk may seem minimal, but accidents can happen when you least expect them. Being cautious with storage and usage can prevent potential hazards.

11. Refrigerated Canned Foods

A can of Spam.
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While it might seem logical to refrigerate canned foods to extend their shelf life, it can be a mistake. When metal cans are exposed to cold temperatures, the contents can expand and cause the can to explode. This is especially true for carbonated drinks or canned foods that have a lot of liquid. Always store canned goods at room temperature unless the label specifically advises refrigeration.

The risk isn’t just about explosions. Expanding cans can lead to leaks, which can cause a mess and even attract pests. By storing canned goods properly, you avoid these issues and ensure your food stays safe to eat. It’s an easy adjustment that can make a significant difference in your kitchen safety.

12. Compressed Gas Cylinders

Woman holding pink.
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Compressed gas cylinders are often used for tasks like welding or inflating balloons. However, they can become dangerous if stored incorrectly. Exposure to heat can increase the pressure inside the cylinder, leading to an explosion. Always store these cylinders in a cool area, away from sunlight and heat sources.

Handling is equally important. Never drop or mishandle gas cylinders, as this can damage the valve and cause a leak. If you’re unsure about how to store or handle a cylinder, consult the manufacturer’s guidelines. Taking these precautions will ensure that you use compressed gas safely.

13. Lithium-Ion Batteries

A pile of lithium ion batteries.
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Lithium-ion batteries are used in everything from smartphones to laptops, but they can be risky. Overcharging or exposure to high temperatures can cause these batteries to swell and potentially explode. Always use the charger specifically designed for your device to minimize these risks. Additionally, avoid leaving your devices plugged in overnight.

If you notice a battery getting unusually hot or swelling, it’s crucial to stop using it immediately. Continuing to use a compromised battery can lead to fires or explosions. By being vigilant about how you store and use lithium-ion batteries, you can enjoy your devices without worry.