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Bromothymol blue is a dye that is used primarily an acid-base indicator (see http://en.wikipedia.org/wiki/Bromothymol_blue) in laboratory and industrial chemistry.

The designation "Reagent" indicates that a chemical substance conforms to a high standard of purity, which standard is set forth either by government or by a professional chemical society, such as the American Chemical Society (ACS). Without knowing which standard the "reagent" chemical adheres to, it is necessary to have what is called a "guaranteed analysis", which is usually printed on the bottle label. Otherwise the term "reagent" is unimportant, and the chemist should assume that the chemical is "reasonably pure for preparative purposes" which is the orignal meaning of "technical grade".


Working chemists in the United States will prefer to use chemicals designated "ACS" or "ACS Reagent" when performing research procedures that may be, or must be, reproduced in exacting detail by others. Use of such standardized chemicals makes the task of re-creating the original reaction conditions much easier. The designation "ACS" has effectively replaced the term "Reagent" in modern chemical production in the United States. ACS does NOT necessarily mean the purest available in commerce; it simply means very pure, and adhering to a standard. Purer grades than ACS include "CP", which is the purest obtainable by commercial procedures, Chromatography Grade, and others.

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βˆ™ 15y ago
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βˆ™ 6mo ago

Bromothymol Blue Reagent Grade is a chemical compound commonly used as an acid-base indicator in laboratory experiments. It changes color based on the pH of a solution, typically transitioning from yellow to blue as the pH increases. Reagent grade indicates that the compound meets specific purity and quality standards for laboratory use.

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Q: What is Bromothymol Blue Reagent Grade?
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Related questions

What household items contain bromothymol blue?

Bromothymol blue has no household uses.


What colour is bromothymol blue in water?

Bromothymol blue is blue in neutral or basic solutions, and yellow in acidic solutions.


What colour is bromothymol blue at the 5 pH level?

Bromothymol blue is green at a pH of 5.


Bromothymol blue a base or acid?

yes. bromothymol blue can act as a acid base indicator. becoz in acidic condition(pH:below 7) bromothymol blue is in green colour whereas in alkaline condition(pH: above 7) its colour changes into blue..


Is bromothymol a base or acid?

The water solution of bromothymol blue is a little acidic.


How do bases change the color of bromothymol?

Bases change the color of bromothymol blue indicator from yellow to blue. This color change occurs because in acidic conditions, bromothymol blue appears yellow, while in basic conditions, it shifts to blue.


What is the action of sodium chloride on 0.1 bromothymol blue?

Sodium chloride will not have any significant impact on bromothymol blue since it is a neutral compound that does not affect the pH indicator properties of bromothymol blue.


Why doest fresh water snails containing bromothymol blue turns yellow?

Bromothymol blue turns yellow when the solution is acidic.


What happens when you mix NaOH and Bromothymol blue?

When NaOH is added to Bromothymol blue, the solution turns blue due to the increase in pH caused by the base. This color change occurs because Bromothymol blue is a pH indicator that changes color in response to pH levels.


Colour of hydrochloric acid in bromothymol blue?

Hydrochloric acid turns bromothymol blue yellow because the acid changes the pH of the solution, causing the bromothymol blue indicator to shift its color toward the yellow end of the spectrum.


What would be the color of bromothymol blue in dilute nitric acid?

Bromothymol blue would appear yellow in dilute nitric acid.


What is the color of bromothymol?

Bromothymol is a pH indicator that can appear yellow in acidic conditions and blue in alkaline conditions.