Bromophenol Blue 0.04% Indicator Solution 500ml

The Bromophenol Blue 0.04% Indicator Solution 500ml is a ready-to-use pH indicator solution, supplied in a convenient ethanol-based formulation for consistent and reliable use in school laboratories. Ideal for frequent classroom use, this larger 500ml volume ensures excellent value and long-lasting supply.

Containing 0.04% bromophenol blue in ethanol and identified by CAS No: 115-39-9 and UN Number: 1170, this indicator provides a clear colour transition from yellow (acidic) to blue-purple (alkaline) within a pH range of approximately 3.0 to 4.6. Its sharp colour change makes it particularly useful for titrations and precise pH determination.

Supplied in liquid form for immediate use, this solution eliminates preparation time and ensures consistent, accurate results across multiple experiments.

Key Features

• 500ml ready-to-use solution – ideal for regular classroom use
• 0.04% bromophenol blue in ethanol
• Widely used pH indicator
• CAS Number: 115-39-9
• UN Number: 1170
• Colour change: yellow → blue/purple
• Effective pH range: ~3.0 to 4.6
• Ideal for acid-base titrations and pH testing
• Convenient liquid format for quick and accurate application
• Reliable and consistent performance

Important Purchasing & Safety Information

• Available only to educational establishments
• Login required to purchase this chemical
• Orders shipped to verified school addresses only
• Due to courier regulations, this product is non-returnable
• Must be handled in accordance with COSHH regulations and appropriate laboratory safety procedures

Ideal for School Science Lessons

Suitable for KS3, GCSE, and A-Level chemistry, this indicator solution is an excellent teaching resource for demonstrating acid-base reactions and pH changes. It is particularly useful for:

• Performing acid-base titrations
• Demonstrating indicator colour changes
• Investigating properties of acids and alkalis
• Exploring pH ranges and indicator effectiveness
• Supporting engaging hands-on practical experiments

Note: This solution should be handled in accordance with standard laboratory safety procedures. Appropriate PPE should be worn where necessary.

Convenient, accurate, and easy to use, Bromophenol Blue Indicator Solution is an essential addition to any school laboratory, supporting clear and effective science teaching.