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Certificate of Analysis

Potassium chlorate, ACS, 99.0% min

CAS: 3811-04-9 MDL: MFCD00011361  EINECS: 223-289-7
UN#:UN1485Hazard Class:5.1Packing Group:II


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Chemical Properties

Formula: KClO3  Boiling point: 400° dec.
Formula weight: 122.55  Density: 2.32
Form: Crystalline Sensitivity: Hygroscopic
Melting point: 368° Solubility: Soluble in water, glycerol. Insoluble in alcohol


As an oxidizing agent, in textile printing and dyeing, as a disinfectant, in manufacturing of aniline black and other dyes

Grade Specs

Maximum level of impurities: Insoluble matter 0.005%, BrO3 0.015%, Cl 0.001%, SO4 P.T. (limit about 0.002%), Ca 0.002%, Mg 0.002%, Heavy Metals (as Pb) 5ppm, Fe 3ppm, Na 0.01%

Other References

Merck: 14,7620
UN#: UN1485
Harmonized Tariff Code:   2829.19

GHS Hazard and Precautionary Statements

Hazard Statements : H271-H302-H332-H411-H401

May cause fire or explosion; strong oxidizer. Harmful if swallowed. Harmful if inhaled. Toxic to aquatic life with long lasting effects. Toxic to aquatic life.

Precautionary Statements : P221-P283-P210-P306+P360-P371+P380+P375-P501A

Take any precaution to avoid mixing with combustibles. Wear fire/flame resistant/retardant clothing. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF ON CLOTHING: rinse immediately contaminated clothing and skin with plenty of water before removing clothes. In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. Dispose of contents/container in accordance with local/regional/national/international regulations.

OxidizingHarmful or IrritantDangerous for the environment

Risk & Safety

Risk Phrases: 9-20/22-51/53
Explosive when mixed with combustible material. Harmful by inhalation and if swallowed. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Phrases: 13-16-27-61
Keep away from food, drink and animal feeding stuffs. Keep away from sources of ignition - No Smoking. Take off immediately all contaminated clothing. Avoid release to the environment. Refer to special instructions/Safety data sheets
Harmful Oxidizing Dangerous for the environment
RTECS: FO0350000