Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436

November 05, 2016

Aloha Chemical Sunset is a fun demonstration that allows you and your students to watch the sun set over a chemical reaction! Light is scattered as colloidal sulfur is produced in the reaction of sodium thiosulfate and hydrochloric acid.