Bromothymol Blue 0.1% Solution LR

This Bromothymol Blue 0.1% Solution is a laboratory reagent-grade pH indicator supplied as a clear blue liquid.

Also known as Bromothymol Blue Solution or Dibromothysulphonphthalein Solution, this indicator is suitable for general laboratory use where visual pH detection is required.

Composition & Grade

This solution contains bromothymol blue at 0.1% in a 50:50 ethanol/water mixture. It is prepared to Laboratory Reagent (LR) grade to support consistent analytical performance.

Regulatory Classification

Classified as Dangerous Goods under the Australian Dangerous Goods Code (ADG) and as Hazardous according to GHS (including WHS regulations, Australia). Dangerous Goods identification: UN 1993, Class 3 (Flammable Liquid), Packing Group III. Not scheduled as a poison in Australia.

Flammability & Stability

It is a flammable liquid and vapour. Vapours may form explosive mixtures with air, and there is a risk of ignition. It is stable under normal storage and handling conditions and remains stable when stored as recommended.

Pack Sizes

Available net volumes: 100ml and 500ml to suit routine bench use and larger batch applications.

Primary Use

Designed for use as a pH indicator in analytical and educational laboratory procedures requiring a reliable visual endpoint.

Product Features

• Laboratory Reagent Grade: Supports reliable outcomes across routine and educational pH testing.
• Ready-to-Use Composition: 0.1% bromothymol blue in 50:50 ethanol/water simplifies preparation and deployment.
• Clear Visual Indicator: Provides a distinct blue appearance, aiding rapid interpretation of pH changes.
• Water Miscibility: Ensures easy dilution and integration into aqueous test systems.
• Regulatory Clarity: Marked as UN 1993, Class 3, PG III to streamline compliance, handling, and transport.
• No Poison Schedule: Reduces scheduling complexity while maintaining appropriate hazard controls.
• Stable Under Normal Use: Maintains integrity with recommended storage, supporting shelf-life and performance.