Methyl Blue C.I. 42780 – 5 g

Methyl Blue (Colour Index C.I. 42780) is supplied in a 5 g pack for educational laboratory use. This synthetic dye is commonly employed in biology and chemistry teaching for staining and visualisation, particularly in microscopy and demonstration experiments.

Identified by CAS Number: 28983‑56‑4 and with no UN number, methyl blue is not classified as hazardous for transport when handled appropriately. It is typically supplied as a dark blue powder, readily soluble in water, producing intensely coloured solutions suitable for classroom work.

Supplied in a practical small quantity, this reagent is ideal for repeated staining demonstrations while minimising waste and storage requirements.

Key Features

• Methyl Blue dye (C.I. 42780)
• 5 g pack – suitable for educational use
• CAS No: 28983‑56‑4
• No UN number – non‑hazardous for standard handling
• Water‑soluble synthetic dye
• Produces strongly coloured blue solutions
• Clearly labelled for safe storage and handling
• Suitable for school biology and chemistry laboratories

Ideal for School Science Lessons

Methyl Blue is particularly well suited to KS3, GCSE, and A‑Level science lessons, especially when studying microscopy, staining techniques, and visualisation of biological materials. All experimental work should be conducted under appropriate supervision and in line with school laboratory guidance.

• Demonstrating biological staining techniques
• Supporting microscopy work
• Enhancing visibility of biological samples
• Linking chemistry with biological applications
• Developing practical skills in solution preparation and safe handling of dyes

Reliable, vividly coloured, and curriculum‑relevant, Methyl Blue C.I. 42780 – 5 g is a valuable teaching reagent that supports effective visual demonstrations while reinforcing good laboratory practice.