PH Indicator Solution (for 2000 Series), Phenol Red, (2 oz Dropper Bottle) Introduction In chemistry, a pH indicator is a substance that is used to measure the acidity or basicity of a solution. It works by changing color in response to changes in the hydrogen ion concentration of the solution. This makes it an important tool for chemists and scientists in various fields such as medicine, environmental science, and agriculture. One commonly used pH indicator is the Phenol Red Solution, which is part of the 2000 series of pH indicators. In this article, we will discuss the properties and uses of Phenol Red and how it can be used effectively in different applications. Properties of Phenol Red **Phenol Red is a pH indicator that belongs to the class of sulfonephthhaleins. It is a weak acid that has a chemical formula of C19H14O5S and a molecular weight of 354.38 g/mol. The structure of Phenol Red consists of two sulfonephthalein molecules linked by an oxygen atom, giving it its distinctive red color in acidic solutions. **In aqueous solutions, Phenol Red **is a red-orange color at pH levels below 6.8 and changes to yellow at pH levels above 8.2. This makes it suitable for use in solutions that range from slightly acidic to basic, with a working range of pH 6.8-8.2. ****Aside from its color-changing properties, Phenol Red is also water-soluble and has a melting point of 298-302°C. It is stable when exposed to light and air, making it a reliable indicator for various experiments. Uses of Phenol Red Phenol Red is widely used in different industries and applications due to its effectiveness as a pH indicator. Some common uses include: Medical Testing: In the field of medicine, Phenol Red is used in various diagnostic tests to measure the pH levels of bodily fluids such as blood and urine. This helps doctors and scientists in identifying any abnormalities or imbalances that could indicate certain health conditions. Environmental Testing:** **Phenol Red is also commonly used in environmental science to monitor the pH levels of water bodies such as rivers, lakes, and **oceans. This can provide valuable information about the health of these ecosystems and help in identifying any potential pollution. Agriculture:** In agriculture, Phenol Red is used to determine the pH levels of soil, which is crucial in determining the suitability for different plant species. It also helps farmers in identifying any nutrient deficiencies or imbalances that could affect their crops.** **Guidelines for Using Phenol Red**** To ensure accurate results when using Phenol Red as a pH indicator, it is important to follow these guidelines: Use a clear solution: The solution in which Phenol Red is added should be clear and free from any impurities that could affect the color change. Calibrate the indicator: It is recommended to calibrate the Phenol Red solution using known pH standards before use. This will ensure that the color change corresponds accurately to the pH level of the solution. Use in a well-lit environment:** The color change of Phenol Red can be affected by light, so it is important to conduct experiments in a well-lit area for accurate results.** Stir the solution:** Ensure that the indicator is evenly distributed in the solution by stirring it gently with a clean glass rod or magnetic stirrer. This will help in achieving a uniform color change.**** Record results promptly: After adding the Phenol Red indicator, observe and record the color change as soon as possible to avoid any further changes in pH levels. ****Conclusion **** **Phenol Red is a widely used pH indicator that has many important applications in various fields. Its properties and color-changing abilities make it an essential tool for scientists and researchers. By following the guidelines for its use, accurate results can be obtained, making it a reliable choice for pH testing. So whether you are conducting experiments in a laboratory or testing the pH levels **of your backyard pool, Phenol Red is an essential solution to have. 1-855-248-0777

PH Indicator Solution (for 2000 Series), Phenol Red, (2 oz Dropper Bottle)

Taylor Test Kits
SKU:
WR-0004-C
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UPC:
R-0004-C
$24.09
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Width:
2.00 (in)
Height:
3.00 (in)
Depth:
2.00 (in)
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Description

PH Indicator Solution (for 2000 Series), Phenol Red, (2 oz Dropper Bottle)

Introduction

In chemistry, a pH indicator is a substance that is used to measure the acidity or basicity of a solution. It works by changing color in response to changes in the hydrogen ion concentration of the solution. This makes it an important tool for chemists and scientists in various fields such as medicine, environmental science, and agriculture.

One commonly used pH indicator is the Phenol Red Solution, which is part of the 2000 series of pH indicators. In this article, we will discuss the properties and uses of Phenol Red and how it can be used effectively in different applications.

Properties of Phenol Red

**Phenol Red is a pH indicator that belongs to the class of sulfonephthhaleins. It is a weak acid that has a chemical formula of C19H14O5S and a molecular weight of 354.38 g/mol. The structure of Phenol Red consists of two sulfonephthalein molecules linked by an oxygen atom, giving it its distinctive red color in acidic solutions.

**In aqueous solutions, Phenol Red **is a red-orange color at pH levels below 6.8 and changes to yellow at pH levels above 8.2. This makes it suitable for use in solutions that range from slightly acidic to basic, with a working range of pH 6.8-8.2.

****Aside from its color-changing properties, Phenol Red is also water-soluble and has a melting point of 298-302°C. It is stable when exposed to light and air, making it a reliable indicator for various experiments.

Uses of Phenol Red

Phenol Red is widely used in different industries and applications due to its effectiveness as a pH indicator. Some common uses include:

  • Medical Testing: In the field of medicine, Phenol Red is used in various diagnostic tests to measure the pH levels of bodily fluids such as blood and urine. This helps doctors and scientists in identifying any abnormalities or imbalances that could indicate certain health conditions.
  • Environmental Testing:** **Phenol Red is also commonly used in environmental science to monitor the pH levels of water bodies such as rivers, lakes, and **oceans. This can provide valuable information about the health of these ecosystems and help in identifying any potential pollution.
  • Agriculture:** In agriculture, Phenol Red is used to determine the pH levels of soil, which is crucial in determining the suitability for different plant species. It also helps farmers in identifying any nutrient deficiencies or imbalances that could affect their crops.**

**Guidelines for Using Phenol Red****

To ensure accurate results when using Phenol Red as a pH indicator, it is important to follow these guidelines:

  1. Use a clear solution: The solution in which Phenol Red is added should be clear and free from any impurities that could affect the color change.
  2. Calibrate the indicator: It is recommended to calibrate the Phenol Red solution using known pH standards before use. This will ensure that the color change corresponds accurately to the pH level of the solution.
  3. Use in a well-lit environment:** The color change of Phenol Red can be affected by light, so it is important to conduct experiments in a well-lit area for accurate results.**
  4. Stir the solution:** Ensure that the indicator is evenly distributed in the solution by stirring it gently with a clean glass rod or magnetic stirrer. This will help in achieving a uniform color change.****
  5. Record results promptly: After adding the Phenol Red indicator, observe and record the color change as soon as possible to avoid any further changes in pH levels.

****Conclusion ****

**Phenol Red is a widely used pH indicator that has many important applications in various fields. Its properties and color-changing abilities make it an essential tool for scientists and researchers. By following the guidelines for its use, accurate results can be obtained, making it a reliable choice for pH testing. So whether you are conducting experiments in a laboratory or testing the pH levels **of your backyard pool, Phenol Red is an essential solution to have.