Potassium Dihydrogen Phosphate Anhydrous – 250g (LR Grade)

Potassium Dihydrogen Phosphate Anhydrous 250g is a high‑quality Laboratory Reagent (LR) grade inorganic salt supplied for controlled use in educational science laboratories. With the chemical formula KH₂PO₄ and CAS Number 7778‑77‑0, it is a widely used compound in school chemistry for preparing solutions and supporting investigative work.

Supplied in a clearly labelled 250g container, this anhydrous powder is suitable for repeated classroom use, technician preparation, and supervised student practicals. It does not carry a UN transport classification, but should still be handled and stored in accordance with COSHH regulations and standard school laboratory safety procedures.

This product is sold exclusively to educational establishments and is intended for use by trained staff and students under appropriate supervision.

Key Features

• Potassium Dihydrogen Phosphate (KH₂PO₄), anhydrous form
• Laboratory Reagent (LR) grade purity
• Supplied in a 250g container
• CAS Number: 7778‑77‑0
• No UN Number assigned
• White, free‑flowing crystalline powder
• Suitable for educational laboratory use
• For supply to schools and educational establishments only

Ideal for School Science Lessons

Potassium Dihydrogen Phosphate is commonly used in GCSE and A‑Level Chemistry and supports a wide range of curriculum‑aligned activities. It is particularly useful in lessons involving:

• Preparation of buffer solutions
• Exploring acids, salts, and pH control
• Investigating ionic compounds and solubility
• Developing skills in accurate weighing and solution making
• Understanding the role of phosphates in chemical systems

Prepared by technicians and used under supervision, this compound enables students to apply theoretical knowledge through practical investigation while reinforcing good laboratory technique. The 250g size makes it ideal for shared use across multiple classes and practical sessions.

Reliable, curriculum‑relevant, and easy to use, Potassium Dihydrogen Phosphate Anhydrous 250g is a valuable reagent for supporting safe, effective science teaching in schools and colleges.