Alexei Volkov
Rubbing alcohol, or isopropyl alcohol, is a common disinfectant used to sanitize skin and surfaces. While it is an effective sanitizer, it is not recommended for cleaning all surfaces due to its potential damaging effects. So, is it safe to use on plastic food storage containers? The short answer is that it depends on the type of plastic. While some sources claim that it is generally safe to use rubbing alcohol to clean plastic items, others suggest that it can cause discolouration, cloudiness, and cracking in certain types of plastic, such as acrylic. Therefore, it is essential to exercise caution when using rubbing alcohol on plastic surfaces, especially those that come into contact with food.
| Characteristics | Values |
|---|---|
| Safe to use on plastic food storage containers | Likely safe, but may depend on the type of plastic |
| Potential for damage to plastic | May cause discoloration, cloudiness, or cracking over time |
| Flammability | Highly flammable |
| Health concerns | Irritant, harmful if ingested |
| Other uses | Sanitizing skin, removing stains from hardwood floors |
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What You'll Learn
Isopropyl alcohol and matte plastic
Isopropyl alcohol is generally safe for cleaning plastics but can alter certain visual finishes, such as matte or shiny surfaces. Softer plastics are more susceptible to damage. While it is unlikely to release toxic or harmful gases, some plastics can swell when exposed to isopropyl alcohol. To be safe, it is recommended to perform a small test by applying a drop of isopropyl alcohol to the surface and observing any changes.
Isopropyl alcohol is a common disinfectant used for cleaning various items, including plastic parts and remote control connectors. However, it is crucial to exercise caution when using it on painted or coated plastics, as it can dissolve certain finishes, such as Nextel-like finishes. In one instance, a user reported that 99% isopropyl alcohol dissolved the finish on a NAD 7120 fascia, revealing the black plastic underneath. Similarly, it turned sticky when it came into contact with end caps with a Nextel-style finish.
When it comes to matte plastic, isopropyl alcohol is not recommended. Several sources specifically mention that isopropyl alcohol and matte plastic don't mix. A photographer shared their experience of accidentally getting isopropyl alcohol on the matte plastic interior of their camera's view screen, resulting in milky blotches that couldn't be removed. This occurred due to a chemical reaction between the alcohol and the plastic, causing irreversible damage to the screen.
To avoid potential issues, it is advisable to consult the manufacturer's recommendations for cleaning and disinfecting specific matte plastic items. Alternative cleaning solutions, such as water-based varnishes, can be used to address stickiness issues on certain finishes without risking damage. It is also worth noting that while isopropyl alcohol is generally safe for storage in plastic containers, it is essential to handle it with caution due to its flammable nature and potential health hazards if ingested.
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Rubbing alcohol's flammability
Rubbing alcohol is a mixture of isopropyl alcohol and water, sometimes with additional ingredients. Isopropyl alcohol, also known as isopropyl, is a pure, colourless alcohol with a strong odour. Rubbing alcohol is used for first aid and sterilizing small objects or surfaces, while isopropyl alcohol is used in industrial settings. Both types of alcohol are flammable and should be kept away from open flames. They should always be stored with the cap tightly closed.
Isopropyl alcohol is highly flammable and should be handled with caution. It is also an irritant and harmful if ingested. It can also cause poisoning if it comes into contact with the skin, as it can pass into the bloodstream. Isopropyl alcohol is not suitable for home use and should not be applied to the skin.
Rubbing alcohol, on the other hand, is intended for home use and can be used to disinfect minor cuts and scrapes. It is also flammable and should be kept away from open flames and out of the reach of children. If ingested, rubbing alcohol can cause depression of the brain and spinal cord.
The flammability of rubbing alcohol and isopropyl alcohol makes them unsuitable for use near heat sources or open flames. They should be stored and handled with caution to prevent fires or explosions. The vapours produced by these alcohols are also flammable, so adequate ventilation is necessary when using or storing them.
Overall, while rubbing alcohol and isopropyl alcohol are effective disinfectants, their flammability is a significant safety concern that requires careful management.
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Using soap and water instead
While some sources suggest using rubbing alcohol to clean plastic food storage containers, others recommend using soap and water instead. Here are some detailed steps for using the soap and water method to effectively clean your plastic food containers:
Pre-treating the Containers
Before washing, it is important to pre-treat the containers, especially if they have tough stains or odours. Tammy Snook Quezada, Head of Global Communications and Public Relations at Tupperware, suggests pre-treating containers with cold water and dish soap. Add a small amount of dish soap and cold water to the container, along with a paper towel, and shake vigorously for about 30 seconds. Then, rinse the container before proceeding to the next step.
Alternatively, you can try a sugar scrub method. Sprinkle sugar in the container, add a drizzle of dish soap, some warm water, and a few ice cubes. Let the ice melt, then scrub the container with a damp cloth to remove the sugar. Rinse the container with warm water afterward.
Washing with Soap and Water
After pre-treating, it's time to wash the containers with soap and water. Wash the containers with warm, soapy water using a sponge or a bristled brush. Ensure you wash thoroughly to remove any residue. Rinse the containers with warm water to remove any soap residue.
If your containers are dishwasher-safe, you can place them in the dishwasher after pre-washing. However, always put them on the top shelf, as the bottom shelf may be too close to the heating element, causing the plastic to melt or warp.
Deodorising the Containers
Plastic containers can absorb odours from food, so it's important to deodorise them. Fill the containers with cold water and freeze them overnight. The odour should be gone by morning. You can also try placing a sheet of moistened newspaper inside the container and storing it in the fridge for 24 hours. Remove the newspaper, rinse, and dry the container.
Maintaining Freshness
To maintain the freshness of your containers, store them with a box of open baking soda or a pinch of salt. These absorb odours and help keep your containers smelling fresh. You can also line them with newspaper to prevent the absorption of new smells.
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Plastic containers becoming cloudy
It is likely safe to use rubbing alcohol (isopropyl alcohol) to clean plastic food storage containers, as most alcoholic solvents are sold and stored in plastic containers. However, it is important to note that some plastics can swell in isopropyl alcohol, and it may not be suitable for all types of plastic. To be safe, it is recommended to test a small area of the plastic surface before cleaning the entire container.
Now, onto the issue of plastic containers becoming cloudy. There are several reasons why plastic containers may become cloudy over time:
Heat
Excessive heat can cause plastic to become soft and disrupt the original arrangement of the plastic molecules, resulting in a cloudy appearance. This can happen when plastic containers are exposed to boiling water, microwaved, or washed in high-temperature settings in a dishwasher.
Scratches
Small scratches on the surface of plastic can make it more susceptible to becoming cloudy. These scratches can be caused by harsh cleaning brushes, bottle brushes, or even the force of hot water in a dishwasher. Once the plastic surface is scratched, milk fat and proteins can cling to the scratches, making the container appear cloudy.
Chemicals
Certain chemicals, such as SLES found in regular washing-up liquid, can introduce stress to plastic, making it brittle and cloudy over time.
Hard Water
Hard water contains an excessive amount of minerals, which can etch the soft surfaces of plastic items. When plastic is washed in hard water and then allowed to dry, it can leave behind chalky, white spots and a cloudy film.
To prevent and treat cloudiness in plastic containers, it is recommended to:
- Avoid using high temperatures when washing or sterilizing plastic containers.
- Use gentle cleaning tools, such as soft silicone brushes, to avoid scratching the surface.
- Avoid harsh chemicals in cleaning products and opt for plant-based or mild alternatives.
- If using a dishwasher, ensure that plastic items are not crowded and are placed on the top rack to reduce the force of the water.
- For deeper scratches, try using fine-grit sandpaper or a heat gun on its lowest setting to buff out the scratches.
- To remove cloudiness, try soaking the plastic containers in vinegar, baking soda, lemon juice, or a commercial plastic cleaning product.
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The effect on granite and marble
Rubbing alcohol, also known as isopropyl alcohol, is a common disinfectant for surfaces and skin. It is generally safe to use and store in plastic containers, although some plastics can swell in isopropyl alcohol. It is also unlikely to cause harm or release toxic gases. However, it is always good to test a small area first to ensure it does not damage the surface or leave a stain.
Rubbing alcohol is a versatile cleaner that can be used on various surfaces, but it is not suitable for all materials. Granite and marble are porous stone materials that are vulnerable to the harsh effects of alcohol. While some sources claim that a diluted mixture of water and isopropyl alcohol is safe and effective for cleaning granite, others suggest avoiding it altogether.
The active ingredient in rubbing alcohol, isopropyl alcohol, can alter the colour of granite and marble and erode any protective sealants applied to these surfaces. This can result in visible stains, scratches, and marks on countertops. Therefore, it is recommended to use a cleaner specifically designed for granite or marble, preferably one that is pH-neutral.
Some granite dealers and professionals recommend using a diluted mixture of water and rubbing alcohol in a spray bottle for cleaning granite. This method can be used as a finishing touch after cleaning particularly greasy counters. However, it is important to note that not all granite is the same, and some types may require periodic sealing.
Overall, while rubbing alcohol may be effective for occasional stain removal on granite or marble, it is not recommended for daily cleaning. Instead, a mild dish soap and water solution with a soft cloth or sponge is a better option for the daily upkeep of these surfaces.
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Frequently asked questions
It is not recommended to clean plastic items with rubbing alcohol. It can cause discolouration and cloudiness, and may eventually lead to cracking.
Rubbing alcohol can break down the plastic over time, causing discolouration and cracking. It is better to use a mild soap and water with a non-abrasive sponge or cloth to clean these items.
Yes, some plastics can swell when exposed to isopropyl alcohol (IPA). It is always best to check the plastic type and test a small area first if you are unsure.
Rubbing alcohol is highly flammable and can be an irritant. It is also harmful if ingested. It should not be used on hot or flammable surfaces, or those exposed to open flames.
Rubbing alcohol should not be used to clean granite, marble or wood. It can alter the colour and erode protective sealants. It is also not suitable for painted surfaces, as it can eat away at the paint.
