Silica Gel Self‑Indicating 500g (Orange‑Green, Laboratory Reagent Grade)

Silica Gel Self‑Indicating 500g is a high‑quality Laboratory Reagent (LR) grade desiccant designed to absorb moisture efficiently in laboratory and educational environments. This product features a clear orange‑to‑green colour change, providing a visual indication of moisture saturation and helping users easily monitor when drying or regeneration is required.

Supplied in a convenient 500g pack, this self‑indicating silica gel is ideal for routine use in school science laboratories, preparation rooms, and storage cabinets. It carries CAS Number 63231‑67‑4 and does not have a UN classification, making it suitable for general laboratory handling when used appropriately by trained staff.

Key Features

• Self‑indicating silica gel with clear colour change
• Orange to green indicator shows moisture absorption
• Laboratory Reagent (LR) Grade
• 500g pack – ideal for school laboratories
• CAS Number: 63231‑67‑4
• No UN classification
• Efficient moisture absorption for laboratory storage
• Suitable for reuse after regeneration (following laboratory guidance)

Ideal for School Science Lessons & Laboratory Use

Self‑indicating silica gel is a valuable resource for KS3, GCSE, and A‑Level science departments, supporting both practical work and good laboratory management. Its visible colour change helps students and staff understand the role of desiccants and moisture control in scientific environments.

• Keeping chemicals and equipment dry during storage
• Demonstrating moisture absorption and desiccation concepts
• Supporting lessons on physical changes and hygroscopic materials
• Use in desiccators for drying samples
• Promoting good practice in laboratory care and material storage

Practical, easy to monitor, and highly effective, this Silica Gel Self‑Indicating desiccant supports safe storage, clear teaching demonstrations, and efficient laboratory organisation in educational science settings.