Is Bleach a Base or Acid

Chlorine bleach is a base and is especially good at removing stains and dyes from clothes as well as disinfecting.

What color is bleach on the pH scale?

The pH of bleach is approximately 11, a strongly alkaline, or basic, solution. Placed on red litmus paper, it will turn it blue. The blue litmus paper won’t change color. With the pH paper, bleach will turn the color violet, indicating a strong alkaline solution.

Does bleach have a pH of 12?

Sodium hypochlorite (NaOCl) in the form of laundry bleach is available in most households. The concentrate is about 5.25 to 6 percent NaOCl, and the pH value is about 12. Sodium hypochlorite is stable for many months at this high alkaline pH value.