Baking Ingredients
Dry Powder

Sodium BicarbonateShelf Life, Storage, and Spoilage Guide

Sourced from
USDA FoodSafety.govFDA

Pantry

Indefinite if kept dry

Store in a cool, dry place (below 75°F/24°C) in an airtight container. Keep away from moisture and strong odors. While safe indefinitely, its leavening power may diminish after 6-12 months once opened.

Refrigerator

Not recommended for storage

Not typically stored in the refrigerator as moisture can cause clumping and reduce effectiveness. If stored, ensure it is in an airtight, moisture-proof container.

Freezer

Not recommended for storage

Not typically stored in the freezer as moisture can cause clumping and reduce effectiveness.

Signs of Spoilage

  • Significant clumping (indicating moisture absorption)
  • Unusual or off-odors (if it has absorbed strong smells from its environment)
  • Discoloration
  • Presence of foreign matter or pests

Room Temperature Safety

Not applicable to dry, shelf-stable ingredients like sodium bicarbonate, which do not support microbial growth in their dry state.

Not applicable to dry, shelf-stable ingredients.

Store in a cool, dry place at room temperature, away from direct sunlight and moisture.

Expert Tips

Safe Handling

1

Keep dry to prevent clumping and maintain effectiveness.

2

Use clean, dry utensils when scooping.

3

Ensure container is tightly sealed after each use.

4

While generally safe, avoid direct inhalation of powder.

Related Items

Comparisons

Baking PowderSimilar dry ingredient, effectiveness diminishes over time.
Pantry
6-12 months (unopened), 3-6 months (opened)
Fridge
Not recommended
Freezer
Not recommended
All-Purpose FlourDry ingredient, but can spoil or attract pests.
Pantry
6-12 months
Fridge
1 year
Freezer
2 years