Eosin Y 24050 – 25g (Acid Red 87)

This high‑quality Eosin Y 24050 dye, also known as Acid Red 87, is supplied in a convenient 25g pack. With CAS Number 17372‑87‑1 and no UN classification (NR), this laboratory colourant is suitable for a wide range of staining and microscopy applications in science teaching environments.

Eosin Y is a widely used biological stain valued for its strong, stable red‑pink colour. It offers excellent solubility and performance for microscopy work, making it ideal for enhancing contrast in prepared slides and supporting high‑quality observational learning in school laboratories.

Key Features

• Premium‑quality Eosin Y 24050 dye
• Also known as Acid Red 87
• Supplied in a 25g laboratory pack
• Ideal for biological staining and microscopy
• CAS No.: 17372‑87‑1
• UN Number: NR (non‑regulated)
• Provides reliable colour contrast for slide preparation

Ideal for School Science Lessons

Eosin Y is an essential resource for KS3, GCSE, and A‑Level biology. Its vivid staining properties make it perfect for teaching students microscopy skills and helping them visualise different cell structures clearly.

• Used for tissue staining and microscopy slide preparation
• Excellent for teaching cell structure and histology
• Perfect for practical microscopy skills and assessment prep
• Can be combined with other stains (e.g., methylene blue, haematoxylin) for multi‑step staining techniques
• Supports engaging hands‑on learning and enhances visual clarity in biological samples

Reliable, vibrant, and easy to use, Eosin Y 24050 – 25g is an excellent addition to any school science department, helping students gain confidence and accuracy in microscopy‑based investigations.