Free shipping on orders over $199       imaget3joa.png

Order early for pre-holiday delivery. Flinn (or Educational Innovations) will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025, will ship after we return. 

Your Safer Source for Science
All-In-One Science Solution
Your Safer Source for Science
;
Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax
Email [email protected]

Potassium Phosphate Tribasic

K3PO4•nH2O

F.W. 212.27

See more product details

Options:

Hazard Alert

Slightly toxic; severe body tissue irritant. LD50 1450 mg/kg.

Product Details

Storage:
Inorganic #2
Disposal:
Shelf Life:
Poor unless stored under dry conditions; hygroscopic; store in a Flinn Chem-Saf™ Bag.
Soluble:
Water—giving a strongly basic solution; insoluble in alcohol.
Color:
White
Odor:
None
CAS No.:
7778-53-2