Due to extreme weather, the Flinn Warehouse is not shipping today, 1/23/2026.
We expect to resume normal shipping on Monday, 1/26/2026.
We regret this inconvenience. For more information, please call us at 800-452-1261.
Price: $54.99
In Stock [72 pcs available]. To view alternative items others have purchased, please see "Suggested Products" below.
This kit contains hazardous materials and is therefore not returnable due to DOT regulations.
Materials Included in Kit:
Calcium chloride, lab grade, 500 g
Phenol red, aqueous solution, 0.02%, 500 mL
Sodium bicarbonate, lab grade, 250 g
MS-PS4-2: Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.