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 Chromium(III) Hydroxide
Chemical formula: Cr(OH)3
Chromium(III) Hydroxide is Neutral
At concentration of 1 mM, it has a pH of 7.04
At concentration of 10 mM, it has a pH of 7.04
At concentration of 100 mM, it has a pH of 7.04