Potassium chlorate

CAS Number
3811-04-9
EC Number
223-289-7

What is Potassium chlorate?

Potassium chlorate (CAS 3811-04-9), also known commercially as Potcrate, is an inorganic oxidizing salt used industrially as a bleaching and whitening agent.

Where is Potassium chlorate used?

  • Textile processing: bleaching baths to whiten natural fibers such as cotton and linen ahead of dyeing or finishing
  • Paper and pulp: brightening cellulose materials to improve optical quality
  • Leather processing: oxidative treatments that prepare hides for uniform dyeing
  • Printing and packaging: substrate preparation where surface whiteness is critical to print fidelity
  • It delivers controlled oxidative action in process-intensive industries.

Good to know: Supply is typically governed by regulatory controls due to its classification as a strong oxidizer in transit.

Commercial specifications

  • Bulk quantities and packaged formats

Other Names (Synonyms)

Potcrate|Anforstan|Fekabit|Berthollet salt|Salt of tarter|Berthollet's salt|Chlorate of potash|Chloric acid, potassium salt (1:1)

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How is Potassium chlorate classified and handled safely? Learn More

Danger
GHS03· Oxidizing GHS06· Toxic GHS07· Irritant GHS09· Environmental Hazard GHS08· Health Hazard

Hazard Statements

H271 May cause fire or explosion; strong Oxidizer [Danger Oxidizing liquids; Oxidizing solids]
H301 Toxic if swallowed [Danger Acute toxicity, oral]
H302 Harmful if swallowed [Warning Acute toxicity, oral]
H401 Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
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