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The Daily Insight

Are old plastic food containers safe

Author

Lily Fisher

Published Apr 14, 2026

By: Toby Amidor, M.S., R.D., C.D.N. The short answer: No, not all of them. Time to scour your cupboard and root out those old plastic containers, cups and sports bottles. Recent studies have suggested that a chemical called bisphenol-A (a.k.a. BPA) — which is found in plastic containers — is hazardous to your health.

When should you throw out plastic food containers?

There’s no standard rule of thumb about when it’s time to throw out your plastic containers. How long your containers last depends on how well you care for them, and the quality of plastic they’re made of. You’ll know it’s time to toss your containers if they become warped or cracked.

Are old Tupperware containers safe to use?

Should you throw away old Tupperware? If your Tupperware container is old, you should use it for other purposes and no longer store or reheat food. Plastic containers that are cracked or warped are not safe since they might trap bacteria, and scratched surfaces can also leak harmful chemicals when microwaved.

How long do plastic food containers last?

Yeung says a typical deli container will easily last a few months if you treat it “relatively gently.” The Ziploc brand of containers has a five- to 10-year shelf life as long as you use them as recommended and they “remain in good condition,” according to a company spokeswoman.

Is it safe to reuse plastic food containers?

However, there isn’t a blanket policy for plastic containers. … Harvard Medical School recommends that no food should be reheated in repurposed plastic containers since those to-go boxes and margarine tubs are designed for one-time use (and could potentially leak bad-for-you chemicals when exposed to high heat).

Do plastic containers go bad?

To keep you safe, many bottled water companies will print a two year expiration date on the bottle, although there’s really no precise way to predict exactly when the plastic will leach into the water. … Because of this, you could be exposed to dangerous chemicals way before the water reaches its expiration.

What can I do with old plastic food containers?

Maybe you have a slightly cracked or stained container; you probably have at least one that’s missing a lid. Instead of throwing those plastic containers in the recycling bin, consider using them in other parts of the house — like the garage or the basement.

Are old Rubbermaid containers BPA free?

Rubbermaid has a page on their website to help consumers identify which containers contain BPA. … The website claims all products made from January, 2010 onwards are BPA-free, and do not contain dioxins or phthalates.

What can I do with old Rubbermaid containers?

Take your Rubbermaid containers to your local recycling facility. Call ahead of time to make sure they accept high-density polyurethane plastics like most Rubbermaid containers and other products. Search for the closest recycling center to you through the website Earth911.

Is Tupperware from the 1980's BPA free?

Tupperware publicly stated that its products sold after March 2010 are free from BPA. However, there was nothing mentioned about any Tupperware products manufactured before 2010.

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How do you know if plastic has BPA in it?

Look on the bottom of the product for a number from one to seven (1-7) surrounded by a triangle made of three arrows (commonly known as the “recycling symbol”). Items with numbers 3, 6, and especially 7 are most likely to contain BPA. Items with 1, 2, 4, or 5 generally do not contain BPA.

Why does old Tupperware get sticky?

Some feel it’s the plastic seeping, a sign that it’s old. Other thoughts include grease and oils from the air collecting on the surface, or oils from previous items that were stored in the container coming to the surface. Regardless of the cause, the removal of this sticky film is quick and easy.

How long can you use reusable plastic containers?

Some plastic containers can be made durable enough to be refilled and reused about 25 times before becoming too damaged for reuse. Refilling and reusing plastic containers directly reduces the demand for disposable plastic.

Which plastic containers are safe to reuse?

Reusing plastic bottles with codes #1 and #2 is probably fine to do on occasion, provided you take certain precautions. Unless you know for certain that the #7 bottle you have doesn’t contain BPA, don’t reuse it. You may also wish not to use it at all, even for one-time use.

Which plastic containers are reusable?

If you find as #2, #4, or #5 plastic, those are fairly safe to reuse. These contain low levels of polyethylene thermoplastic, low-density polyethylene, and polypropylene.

What can I do with old food storage containers?

As much as possible, try to recycle your containers, to the extent that is possible, and they cannot be reused by someone else. But typically, unless you’ve got a full set in extremely good condition, it is not worth your time to try to sell these, at least in my experience. So consider donating them.

How do you use old containers?

  1. Make the most of the peanut butter jar. …
  2. Make a self-watering planter. …
  3. Grow seedlings or plant cuttings. …
  4. Organize the fridge with clear produce containers. …
  5. Stash plastic bags in the car for trash. …
  6. Give cereal bags new life.

Are black take out containers dishwasher safe?

All plastic takeout containers are designed for one-time use and disposal. Polypropylene containers are dishwasher-safe, and can be reused by the consumer for as long as 6 months or more in some cases.

How long should you keep Rubbermaid containers?

After this initial inspection, we recommend replacing plastic containers between 5 and 10 years. Wear and tear pose potential health risks if your product is damaged.

How do you dispose of plastic storage containers?

If your item is not in good working condition, it may be taken to a special facility for recycling or, if your city/town allows, put in the trash. For disposal/recycling options, call your local DPW, or search “bulky rigid plastics” on Beyond the Bin to find a collection center near you.

Can you recycle Rubbermaid food containers?

Through the Rubbermaid Food Storage Recycling Program, consumers can now send in all brands of well-used glass and plastic food storage containers to be recycled for free. … Once collected, the containers are cleaned and melted into hard plastic or glass that can be remolded to make new recycled products.

How do I know if my plastic container is food grade?

The easiest way to check is to look for the Resin Identification Code—i.e., recycling number—which identifies the type of plastic material. The code consists of a triangle of arrows surrounding a number between 1 and 7. Generally, numbers 1 through 7 indicate food grade plastic.

Are all plastic food containers BPA free?

Look for products labeled as BPA -free. If a product isn’t labeled, keep in mind that some, but not all, plastics marked with recycle code 3 or 7 may contain BPA . Avoid heat. Don’t put plastic containers in the microwave or dishwasher, because the heat may break them down over time and allow BPA to leach into foods.

Is it safe to microwave food in Rubbermaid containers?

Yes, Rubbermaid plastic containers that are labeled as microwave safe can go in microwave. Since 2009, Rubbermaid has manufactured BPA free plastic for their food storage containers.

Can old Tupperware be replaced?

Tupperware shall have the right to determine if the item is defective and, at its option, replace it with a similar or equivalent item, or provide credit toward future purchases of Tupperware® brand products. Warranty replacement requires shipping the product to Tupperware at your expense.

What is the most sought after vintage Tupperware?

  1. Bell Tumblers from 1946. …
  2. Wonderlier Bowls from 1946. …
  3. The Millionaire Collection’s Salt and Pepper Shakers from 1960. …
  4. Servalier Astro Bowls from 1972. …
  5. Cake Taker from the 1970s.

When did Tupperware stop using BPA?

Since they stand the test of time it isn’t uncommon to find inherited Tupperware in the house. However, Tupperware didn’t officially declare their products to be BPA free until March 2010, read HERE.

Are Ziploc bags BPA free?

BPA Free. SC Johnson’s Ziploc® brand Bags and Containers are BPA free. Our products are extensively evaluated for toxicity and safety and comply with applicable quality and safety regulations. … Many reports of this study note that this chemical is commonly found in plastic food storage containers.

How can you tell if a plastic container is BPA free?

  1. Turn the bottle or jar upside down, and look at the bottom to see if it contains a plastic resin identification code (commonly referred to as recycling code). …
  2. If you see 1, 2, 4, 5, or 6, you can comfortably assume the bottle or jar is BPA free.

What canned foods do not contain BPA?

  • ALL Tetra-Pak® Cartons.
  • ALL Plastic Bottles, Tubs & Containers.
  • ALL Canned Coconut Milk & Coconut Cream.
  • ALL Pet Food.
  • ALL Canned Beans, Fruits & Vegetables.
  • MOST Canned Fish & Chicken.
  • Organic Vegetarian Chili.
  • Canned Dolmas – Regular & Quinoa.

How do you revive old Tupperware?

Simply make a thick-ish paste of warm water and baking soda and rub it into the inside the container. Let it sit for at least one day, then rinse it out thoroughly. Continue until no stains remain and the container smells fresh.