Potassium Metal Reagent Grade
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Product Code : SCL-CA-12661
Quick Answer: The Potassium Metal Reagent Grade is elemental potassium (K), a soft, highly water-reactive alkali metal for staff-controlled teaching of Group 1 properties and authorised advanced laboratory work.
Last updated: October 2026
Key Features
- Symbol K, CAS 7440-09-7
- Atomic weight about 39.10 g/mol
- Softer and more reactive than many common laboratory metals
- Can ignite in air and reacts violently with water, giving hydrogen gas
- Staff-only reagent needing dry tools, dry storage and restricted access
Technical Specifications
| Specification | Value |
|---|---|
| Chemical name | Potassium |
| Symbol | K |
| CAS number | 7440-09-7 |
| Atomic weight | About 39.10 g/mol |
About This Product
Potassium metal shows why alkali metals need protected storage. It is opened only in a controlled area cleared of water, acids, oxidisers, alcohols and ignition sources, by staff wearing splash goggles, gloves and a flame-resistant lab coat, and unused metal stays under its protective storage medium. Planning for a metal fire is part of the risk assessment before use. Export supply of the Potassium Metal Reagent Grade can be arranged to laboratories and schools in Afghanistan, Seychelles, Malta, Bosnia and Herzegovina and Trinidad and Tobago.
Frequently Asked Questions
Q1. What happens when potassium metal contacts water?
It reacts violently, producing potassium hydroxide, heat and flammable hydrogen gas. This is why it is handled only with completely dry tools in a controlled area.
Related: Chemical Analysis, Laboratory Grade Sodium Metal in Kerosene, Scientific Grade Aluminium Metal.
For a quotation on the Potassium Metal Reagent Grade, contact School Equipments India.
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