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Expiration Dates for Household Chemicals

Shelf Life of Common Home Chemicals

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Gasoline is only good for about 90 days.

Gasoline is only good for about 90 days.

Burger, public domain

Some common everyday chemicals last indefinitely, but others have a shelf life. This is a table of expiration dates for several household chemicals. In some cases, the chemicals have a shelf life because the product accumulates bacteria or breaks down into other chemicals, rendering it ineffective or potentially dangerous. In other cases, the expiration date is related to diminished effectiveness over time.

Expiration Dates for Common Chemicals

Chemical Expiration Date
air freshener spray 2 years
antifreeze, mixed 1 to 5 years
antifreeze, concentrated indefintely
baking powder unopened, indefinitely if properly stored
opened, test by mixing with water
baking soda unopened, indefinitely if properly stored
opened, test by mixing with vinegar
batteries, alkaline 7 years
batteries, lithium 10 years
bath gel 3 years
bath oil 1 year
bleach 3 to 6 months
conditioner 2 to 3 years
dish detergent, liquid or powder 1 year
fire extinguisher, rechargeable service or replace every 6 years
fire extinguisher, nonrechargeable 12 years
furniture polish 2 years
gasoline, no ethanol several years, if properly stored
gasoline, with ethanol from date of manufacture, 90 days
in your gas tank, about a month (2-6 weeks)
honey indefinitely
hydrogen peroxide unopened, at least one year
opened, 30-45 days
laundry detergent, liquid or powder unopened, 9 months to 1 year
opened, 6 months
metal polish (copper, brass, silver) at least 3 years
Miracle Gro, liquid unopened, indefinitely
opened, 3 to 8 years
motor oil unopened, 2 to 5 years
opened, 3 months
Mr. Clean 2 years
paint unopened, up to 10 years
opened, 2 to 5 years
soap, bar 18 months to 3 years
spray paint 2 to 3 years
vinegar 3-1/2 years
Windex 2 years

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