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Order early for pre-holiday delivery. Flinn 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.
Price: $22.66
In Stock.
KClO3
F.W. 122.56
Hazard Alert
Strong oxidizer; slightly toxic; irritant. LD50 1870 mg/kg. Extremely dangerous since the substance, if only slightly contaminated, will explode when exposed to moderate shock or when heated. Because this substance is so frequently a source of accidents on school premises we have elected to list some of the incompatible substances which should be avoided: Ammonium Salts, Phosphorus, Carbon, Sulfuric Acid, Combustible Material, Metal Powders, Finely Divided Materials, Organic Materials, Sulfur, Sugar.
This item can only be shipped to schools, museums and science centers
1-800-452-1261
Potassium Chlorate