What is the white substance in batteries?

The white substance found in batteries is potassium carbonate or potassium hydroxide. 

It is corrosive and dangerous. It can cause skin infection, burns, and respiratory irritation. 

It contaminates soil and water and can cause environmental pollution. 

Tip #1 - DON'T

✗ Touch it with your bare hands: it can cause skin irritation or burns.

✗ Use water: It can spread the corrosive material.

✗ Throw the battery in the trash.

✗ Exposure to heat or flame: can cause the battery to explode.

✗ Don't ignore fumes or odors: A strong chemical smell is a sign of a leak. Ventilate the area immediately and avoid breathing the fumes.

✗ Recharge single-use batteries.

✗ Store with other batteries.

✗ Don't put old and new batteries in the same device.

Tip #2 - DO

✓ Wear gloves to protect yourself.

✓ Use vinegar (acetic acid) or lemon juice to neutralize the alkaline residue. After neutralizing, wipe the area with a dry cloth or paper towel.

✓ Do not throw them in household trash. Instead, take them to a battery recycling center.

✓ If your skin comes in contact with the battery, wash your hands with soap and water for 15 minutes. If any burns or rashes appear, see a doctor.

✓ If you inhale any fumes, move to fresh air immediately. In case breathing becomes difficult, seek medical help.

✓ If you ingest it, contact poison control immediately.

✓ Store batteries properly in a cool, dry place.

✓ Use reputable brands of battery.

✓ Remove and exchange batteries from old devices.