Can You Microwave Tupperware Safely for Food Storage?

Can You Microwave Tupperware?

Yes, you can microwave Tupperware, but it is important to exercise caution.

Tupperware products sold in the US since 2010 are BPA-free, which means they do not contain bisphenol A, an endocrine disruptor.

However, there is still a risk of leaching chemical compounds from plastic into food when heated in the microwave.

Plastics labeled with numbers 2, 4, and 5 are considered safer options, but plastics labeled with numbers 1, 3, 6, or 7 should never be microwaved.

It is recommended to use glass or ceramic containers as alternatives for microwave reheating.

Always microwave Tupperware with the lid off, use materials that can withstand high temperatures, and avoid overheating or running the microwave for more than 3 minutes.

Key Points:

  • You can microwave Tupperware, but caution is needed
  • Tupperware sold in the US since 2010 is BPA-free
  • There is a risk of chemical leaching from plastic into food when microwaved
  • Plastics labeled with numbers 2, 4, and 5 are safer options
  • Plastics labeled with numbers 1, 3, 6, or 7 should not be microwaved
  • Recommended alternatives for microwave reheating are glass or ceramic containers.

Did You Know?

1. Despite the popular belief that Tupperware is microwave-safe, not all Tupperware products are suitable for microwave use. It is essential to check the label or packaging for microwave-safe symbols before attempting to microwave Tupperware.

2. Tupperware was invented by Earl Silas Tupper in the 1940s. Originally, it was made from a substance called Poly-T, which was later replaced with the more durable and heat-resistant plastic known as polyethylene.

3. The term “Tupperware party” originated in the 1950s when Brownie Wise, the first woman to become vice president of a major American corporation, came up with the idea of hosting home parties to demonstrate and sell Tupperware. This innovative direct marketing technique revolutionized the way products were sold, especially for household plastic goods.

4. Tupperware became so popular in the mid-20th century that it was even featured in the popular television show “I Love Lucy.” In one episode, Lucy and Ethel try to sell Tupperware at a party, which eventually turns into chaos and comedic disaster.

5. Tupperware is not limited to the kitchen; it has also been used for unique purposes. In the field of science, Tupperware containers are often utilized for conducting experiments, storing lab samples, and even acting as impromptu petri dishes for microbial cultures.

Related Post:  How Long to Put a Hot Pocket in the Microwave: Essential Heating Guide

Negative Health Effects Of Microwaving Plastic Containers

Microwaving plastic containers can have negative health effects due to the potential leaching of chemical compounds into food. Plastic containers, when heated in the microwave, have an increased probability of releasing harmful chemicals into the food. Phthalates and Bisphenol A (BPA) are examples of such compounds that may be present in plastic and can leach into food when heated. These chemicals are known to have negative health implications, including endocrine disruption, which can interfere with hormone balance in the body.

The US Food and Drug Administration (FDA) does not regulate the term “microwave safe,” leaving consumers with uncertainty regarding the safety of plastic containers in the microwave. Therefore, it is important to consider alternative options for heating food in order to minimize the potential negative health effects associated with microwaving plastic containers.

  • Avoid microwaving plastic containers
  • Look for alternative containers made of glass or ceramic for heating food
  • Transfer food to microwave-safe glass or ceramic dishes before heating
  • Reduce exposure to harmful chemicals by avoiding microwaving plastic containers with phthalates and BPA

“Microwaving plastic containers can have negative health effects due to the potential leaching of chemical compounds into food.”

Understanding The Risks: Chemical Leaching In Microwaved Plastic

When plastic containers are exposed to heat in the microwave, there is an increased risk of chemical leaching. The heat causes small molecules from the plastic to migrate into the food, potentially contaminating it with harmful substances. Plastic containers labeled with the numbers 2, 4, and 5 are considered to be safer options in the microwave, but there is still some risk of chemical leaching.

On the other hand, plastics labeled with the numbers 1, 3, 6, or 7 should never be microwaved as they pose a higher risk of leaching harmful chemicals into the food. To ensure the safety of your food, it is recommended to replace older Tupperware containers with newer ones that are BPA- and phthalate-free. In addition, glass or ceramic containers can be used as alternative options for microwave reheating and food storage, as they do not pose the same risks of chemical leaching as plastic containers.

Different Plastic Numbers And Their Microwave Safety

Understanding the different plastic numbers and their microwave safety is essential for making informed decisions about microwaving Tupperware. Plastics labeled with the numbers 2, 4, and 5 are generally considered to be safer options for microwaving, but there is still some risk involved. These plastics have lower chances of leaching harmful chemicals compared to other types of plastic.

Related Post:  Can You Microwave Glass Jars Safely and Effectively?

However, plastics labeled with the numbers 1, 3, 6, or 7 should never be microwaved due to their higher risk of chemical leaching. It is important to note that Tupperware products sold in the US since 2010 are BPA-free, reducing the risk of exposure to this particular chemical. Nevertheless, to ensure the safety of your food and minimize the risk of chemical leaching, it is advisable to use glass or ceramic containers for microwave reheating and food storage.

Alternatives To Microwaving Plastic Tupperware

Considering the potential health risks associated with microwaving plastic Tupperware, it is important to explore alternative options. Glass and ceramic containers are highly recommended as safer alternatives for both microwave reheating and food storage. These materials are less likely to leach harmful chemicals into food and provide a more reliable and secure option.

If you prefer to continue using plastic containers, it is recommended to look for those labeled as “microwave safe” and that have the BPA-free certification. However, it is important to note that even with these labels, there is still ongoing debate about the safety implications of plastic containers in the microwave. Therefore, it may be wise to consider investing in glass, ceramic, or stainless steel containers that are specifically designed for microwave use and are known to withstand high temperatures without releasing harmful substances.

  • Glass and ceramic containers are safer alternatives for microwaving and food storage.
  • Look for plastic containers labeled as “microwave safe” and BPA-free.
  • Ongoing debate exists regarding the safety of plastic containers in the microwave.
  • Consider investing in containers made of glass, ceramic, or stainless steel specifically designed for microwave use.

Debating The Safety Of Microwaving Tupperware

The safety of microwaving Tupperware remains a topic of debate among experts. However, it is important to note that Tupperware products in the USA and Canada have been BPA-free since 2010, which is a step towards reducing exposure to harmful chemicals. While the manufacturers claim their products to be safe, there is criticism from organizations like the Center for Research and Information on Electromagnetic Radiation (Criirem), which highlights the lack of studies on the safety implications of plastic Tupperware and other household appliances.

Related Post:  Can You Use Microwave Turntable Glass Plate in Oven? An Informative Guide

Considering the potential health risks associated with microwaving plastic containers, it may be prudent to exercise caution and consider safer alternatives such as glass, ceramic, or stainless steel containers for both microwave reheating and food storage.

  • It is important to note that Tupperware products in the USA and Canada have been BPA-free since 2010.
  • The lack of studies on the safety implications of plastic Tupperware has been highlighted by organizations like Criirem.
  • Prudent to consider safer alternatives such as glass, ceramic, or stainless steel containers.


Frequently Asked Questions

Is it safe to microwave in Tupperware?

While Tupperware is made of high-quality plastic and is labeled as microwave-safe, it is still recommended to exercise caution. The heat from the microwave can cause the plastic to release harmful chemicals such as BPA into the food. It’s advisable to use microwave-safe glass or ceramic containers as a safer alternative.

How do I know if my Tupperware is microwave safe?

To determine if your Tupperware is microwave safe, you can check for a label explicitly stating “Microwave Safe” on the packaging material. Additionally, look for the presence of a microwave symbol imprinted on the plastic container, as this symbol is commonly found on reusable plastic storage containers. These indications serve as reassurance that the Tupperware can be safely used in the microwave, providing you with convenient and practical options for heating or re-heating your meals.

Which plastic is microwave safe?

When it comes to microwaving, it is important to avoid using paper products, aluminium, polyethylene terephthalate (PETE), and polystyrene (PS) as these materials are not microwave safe. However, high-density polyethylene (HDPE), polypropylene (PP), and molded fiber & bagasse are generally considered safe for microwave use. So, if you’re looking for a microwave-safe plastic, opt for HDPE, PP, or products made from molded fiber & bagasse.

Can you put hot food in Tupperware?

When it comes to storing hot food in Tupperware, it is essential to consider temperature safety. To avoid the growth of harmful bacteria, it is recommended to keep hot food above 140 degrees F. Therefore, while Tupperware is a suitable option for storing cold food below 40 degrees F, it is not ideal for hot food unless it can maintain the required temperature. Properly managing temperature is crucial for preserving the safety and quality of the food you store in Tupperware.