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Catalog Number:
01268
CAS Number:
76-61-9
Thymol blue
Grade:
ACS reagent
Synonym(s):
Thymolsulfonphthalein
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Product Information

Thymol blue is a versatile pH indicator widely utilized in various laboratory and industrial applications. This compound exhibits a distinct color change at pH levels of approximately 1.2 (yellow) to 2.8 (blue), making it an essential tool for researchers in fields such as biochemistry, environmental science, and education. Its unique properties allow for precise monitoring of pH changes in solutions, which is crucial for experiments requiring strict pH control. Thymol blue is also employed in titrations and as a biological stain, enhancing its utility in microbiological studies and histology.

In addition to its laboratory applications, Thymol blue is recognized for its role in the food industry, where it can be used as a colorant and pH indicator in various products. Its safety profile and effectiveness make it a preferred choice for professionals seeking reliable and accurate results. With its broad range of applications and ease of use, Thymol blue stands out as a valuable compound for both research and industrial purposes.

Synonyms
Thymolsulfonphthalein
CAS Number
76-61-9
Grade
ACS reagent
Molecular Formula
C27H30O5S
Molecular Weight
466.6
MDL Number
MFCD00005869
PubChem ID
65565
Appearance
Brownish-green solid
Conditions
Store at RT
General Information
Synonyms
Thymolsulfonphthalein
CAS Number
76-61-9
Grade
ACS reagent
Molecular Formula
C27H30O5S
Molecular Weight
466.6
MDL Number
MFCD00005869
PubChem ID
65565
Appearance
Brownish-green solid
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Thymol blue is widely utilized in research focused on:

  • pH Indicator: Commonly used in laboratories, it serves as a reliable pH indicator in titrations, helping researchers determine the acidity or alkalinity of solutions with clear color changes.
  • Biological Research: In microbiology, it aids in assessing the growth of bacteria and fungi by indicating pH changes in culture media, thus providing insights into microbial metabolism.
  • Analytical Chemistry: Employed in various analytical methods, it enhances the detection of specific compounds in complex mixtures, making it valuable for quality control in pharmaceuticals and food industries.
  • Environmental Monitoring: Used in water testing, it helps in monitoring the pH levels of natural water bodies, which is crucial for maintaining aquatic ecosystems and ensuring safe water quality.
  • Education: A staple in educational settings, it is often used in chemistry labs to teach students about acid-base reactions and the importance of pH in chemical processes.

Citations