Bromothymol Blue

Bromothymol Blue

£90.58

£90.58

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Description

Why Buy Bromothymol Blue Online from UK Chemical Suppliers, ReAgent Chemicals?

We supply bromothymol blue online in 5 kg and 25 kg containers. We also produce ready-made 0.04% bromothymol blue solutions. Discounts are available for bulk buying.

Weak acid in solution

Bromothymol blue, C27H28Br2O5S, is also known as bromthymol blue or bromothymol sulfone phthalein and is a popular pH indicator for weak acids and bases. Below pH 6 it remains yellow, changing to blue at pH above 7.6. This means it’s commonly used to measure how neutral a solution is, or in other words, to measure around pH 7. For example, it’s used to measure the pH in fish tanks and swimming pools.

This compound behaves as a weak acid in solution, which can be both protonated and deprotonated, resulting in the yellow or blue solutions respectively. Around pH 7, it acquires a blue/green colouration. Bromothymol blue dissolves in water with difficulty, but it’s highly soluble in alcohol and ether or in alkaline solutions.

Applications

Taking advantage of its pH indicator properties, bromothymol blue has a few applications, including:

  • Study photosynthesis and respiration: This compound turns from green to yellow in the presence of CO2, as carbonic acid is formed.
  • Slide stain: A drop is added on top of the specimen to be analysed and the cover slip placed above. It can be used to mark cell walls or nuclei.
  • Obstetrics: Use to determine premature rupture of membranes. As amniotic fluid has a pH higher than 7, bromothymol blue will turn blue if there’s fluid leaking from the amion. However, the test may be misleading, as it also turns blue in the presence of blood or infections.

Exceptional customer service

At ReAgent, we are very proud of our exceptional customer service. A member of staff will assist you before, during and after your purchase, as needed. To find out more about bromothymol blue or any other product, simply call us for a quote or technical question.

Specification

MSDS Files

The following files are available to download:

Product IDProductpost_statusBulkDownload SDS File

Please note: we only deliver to registered UK businesses at non-residential addresses with a minimum order value of £100 before VAT

We only supply to mainland UK, contact us on 0800 990 3258 for rates to Ireland.

Please notify us if you have specific delivery requirements such as restricted access, requirement for a tail-lift delivery vehicle or pallet truck. Failure to notify us of a special delivery instructions can incur additional charges from our carriers.

Looking for further options on this product?

  • Custom packaging
  • Personalised labelling
  • Specific pack sizes
  • Different grades available
  • Bespoke blending
  • Bulk quantities

Call 0800 990 3258 for details or Contact Us

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