This little website shows you the pH of various acids, bases, food products, bodily fluids, cleaners, and more!
Here's a random substance:
pH of Zinc Hydroxide
Chemical formula: Zn(OH)2
Also known as: ashoverite, sweetite, wülfingite
Zinc Hydroxide is Mildly Basic
At concentration of 1 mM, it has a pH of 8.88
At concentration of 10 mM, it has a pH of 8.88
At concentration of 100 mM, it has a pH of 8.88