Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436
Email flinn@flinnsci.com
firewatch

Watch colors change as dye solutions are oxidized by sodium hypochlorite (household bleach).

Concepts

  • Consumer Chemistry
  • Oxidation
  • Pigmentation