Sodium Hydrogen Carbonate Pure – 500g (LR Grade)

This high‑purity Sodium Hydrogen Carbonate, also known as Sodium Bicarbonate or Bicarbonate of Soda, is supplied in a 500g pack and manufactured to dependable LR (Laboratory Reagent) Grade standards. With CAS Number 144‑55‑8 and no UN classification (NR), this versatile alkaline compound is safe for routine use in school science laboratories.

Sodium hydrogen carbonate is widely used in practical chemistry and biology for demonstrations involving neutralisation, gas production, thermal decomposition, pH changes, and buffering. Its predictable behaviour and excellent stability make it ideal for a wide range of curriculum‑linked investigations.

Key Features

• High‑purity Sodium Hydrogen Carbonate (Sodium Bicarbonate)
• Supplied in a 500g laboratory container
• Alternative names: Bicarbonate of Soda, Sodium Bicarbonate
• LR Grade for reliable laboratory performance
• CAS No.: 144‑55‑8
• UN Number: NR (non‑regulated)
• Stable, safe, and easy to handle in classroom environments
• Ideal for neutralisation and gas‑forming reactions

Ideal for School Science Lessons

Sodium hydrogen carbonate is an essential reagent across KS3, GCSE, and A‑Level science, supporting fundamental concepts in chemistry and biology through hands‑on experimentation.

• Excellent for neutralisation experiments and pH investigations
• Widely used for demonstrating acid–carbonate reactions producing carbon dioxide
• Ideal for exploring thermal decomposition and chemical change
• Useful for teaching about buffers, weak bases, and reversible reactions
• Supports practical work in rates of reaction and gas collection

Reliable, safe, and versatile, this 500g pack of Sodium Hydrogen Carbonate is a valuable addition to any school science laboratory.