Thymol Blue TCI T0235

Chemical Identity

CAS No.: 76-61-9
PubChem: CID 65565·SID 87576221
Formula: C27H30O5S
Molecular weight: 466.6 g/mol
Reference databases: ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
InChIKey: PRZSXZWFJHEZBJ-UHFFFAOYSA-N

Rp 637.350,00

~~Rp 460.950,00~~ Rp 637.350,00

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Berat 1g 25g

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Thymol Blue is a chemical compound widely used as an indicator in various chemical reactions, particularly in titration processes. It plays a crucial role in analytical chemistry by providing visual signals that help determine the endpoint of a reaction. This reagent is essential for monitoring changes in hydrogen or hydroxide ion concentrations in solution, making it indispensable in both research and educational settings. Its ability to change color in response to pH variations allows for accurate and reliable results in laboratory analyses.

One of the key properties that make Thymol Blue a preferred choice is its stability under certain conditions. It exhibits a distinct color change, shifting from blue to violet or yellow depending on the pH of the solution. This clear and observable color transition makes it ideal for applications where visual detection is necessary. Additionally, its chemical stability ensures consistent performance over time, reducing the risk of false readings or experimental errors. These characteristics contribute to its reliability in both qualitative and quantitative analysis.

In Indonesian laboratories, Thymol Blue is commonly used in chemical research, educational institutions, and industrial settings. Its availability in the local market supports a wide range of experiments and analytical procedures. As a key component in titration, it enables scientists and students to perform accurate measurements and understand chemical behavior in different environments. Its versatility and reliability make it an essential tool for analytical and environmental chemistry applications.

TCI brochures (PDF)

Titration Reagents and TLC Stains 2026-05-07 · p. 2

Related TCI products

Titrations in analytical chemistry benefit from Thymol Blue's ability to indicate pH changes, helping to identify the endpoint of acid-base reactions.
Environmental testing uses Thymol Blue to assess water and soil pH levels, supporting ecological and pollution studies.
Educational institutions incorporate Thymol Blue into chemistry experiments to teach students about pH indicators and titration techniques.
Industrial quality control processes utilize Thymol Blue to monitor chemical reactions and ensure product consistency.
Research laboratories rely on Thymol Blue for accurate colorimetric analysis in various chemical and biochemical studies.

Brand	TCI
CAS number	76-61-9
Molecular formula	—
Purity	—
Category	Analytical Chemistry > Analytical Reagents > Titration Reagents
Pack sizes	Available in various quantities as per standard laboratory requirements
Physical form	Solid powder
Storage	Store in a cool, dry place away from direct sunlight and moisture

Thymol Blue should be stored in a cool, dry environment to maintain its chemical stability and ensure accurate performance. It is recommended to keep the reagent in a tightly sealed container to prevent exposure to moisture and air, which could affect its properties. Suitable containers for storage include glass or polyethylene vessels that are resistant to chemical reactions. In laboratory settings, it is important to handle Thymol Blue with care, avoiding direct contact with skin or inhalation of vapors. Proper labeling and storage conditions help maintain the integrity of the reagent and ensure safe usage in all experimental procedures.

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