Potassium Chlorate – 500g (LR Grade, UN 1485)

This high‑purity Potassium Chlorate is supplied in a secure 500g laboratory container and manufactured to dependable LR (Laboratory Reagent) Grade standards. With CAS Number 3811‑04‑9 and classified under UN Number 1485, this powerful oxidising agent is intended strictly for controlled use in educational science laboratories by trained personnel.

Potassium chlorate is used for demonstrating a range of chemical principles including oxidation reactions, decomposition, oxygen production, and redox processes. Due to its strong oxidising properties, it must be handled responsibly and only within approved settings following school safety guidelines.

Key Features

• High‑purity Potassium Chlorate (LR Grade)
• Supplied in a 500g sealed container
• CAS No.: 3811‑04‑9
• UN Number: 1485
• Strong oxidising agent suitable for controlled demonstrations
• Reliable chemical for advanced secondary and post‑16 chemistry

Ideal for School Science Lessons

Potassium chlorate is used primarily in GCSE and A‑Level chemistry in supervised technician‑led demonstrations due to its reactive oxidising properties.

• Ideal for teaching oxidation and reduction reactions
• Used in demonstrations involving the thermal decomposition of chlorates
• Useful for generating oxygen in controlled settings
• Supports advanced lessons on reaction energetics and decomposition mechanisms
• Provides strong visual outcomes that reinforce theoretical understanding

Due to its reactivity, Potassium Chlorate must only be used by trained science staff following all applicable safety guidelines and local risk assessments.

Regulatory Requirements

PLEASE NOTE: We only sell chemicals to educational establishments.

Restricted Item – This product is regulated under the Control of Poisons and Explosives Precursors Regulation 2023. Schools must complete identity verification before dispatch.

Reportable Item – Under the Poisons Act 1972, suspicious transactions must be reported. Orders to private addresses are automatically classified as suspicious. Schools are treated as business addresses.

A verification form will be sent automatically after ordering. No action is needed at checkout—your order confirmation will include the required form. Verification is only needed if no valid form has been submitted within the last 18 months.

Purchasing Information

You must be logged in to purchase this chemical: once logged in, the ‘Add To Basket’ button will appear.

If you already have items in your basket, they will remain there while you log in or register for an account. This chemical will only be shipped to school addresses.

Due to courier regulations, these chemicals cannot be returned. This does not affect your statutory rights.