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Index
B · NaHCO3
Baking soda
low hazardAlso: sodium bicarbonate, bicarb
CleaningFoodFirst aidHygieneFire
The most useful powder in the den. It cleans, deodorizes, leavens, calms acid indigestion, and smothers small grease or electrical-adjacent fires as a dry dump.
- Shelf life
- Indefinite dry
- Container
- Sealed HDPE or glass, dry
- Grade
- Food grade
What it does
- ▸Gentle abrasive cleaner and refrigerator deodorizer
- ▸Baking and some food-preservation chemistry
- ▸Paste for insect bites and mild skin itch
- ▸Neutralizes acid spills (vinegar, citric, battery acid splash — after PPE)
- ▸Dry-powder smother for a small pan fire
Store
- ▸It cakes if humid. Desiccant in the bulk bucket.
- ▸Do not store with acids — they spend each other.
Hazards
- ▸Not a substitute for a rated fire extinguisher on a working fire.
- ▸High-sodium; not a daily antacid habit.
Never mix
In the field
Spill kit: box of bicarb for acids, bottle of vinegar for alkali spills. Keep both on the chemical shelf — used on the spill, not mixed into one bottle.
Arizona note
Fine in heat. Monsoon humidity cakes it; break up and redry if needed.
Source
Grocery, 50 lb food-service bags. Arm & Hammer equivalent is fine.