Thymol Blue Free Acid CAS: 76-61-9 | MF: C27H30O5S | MW: 466.59, Buy now for reliable and Reproducible results from Tristains indicators at Dawnscientific.
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Thymol blue free acid (CAS No. 76-61-9) appears in the form of a dark greenish-blue powder with an approximate molecular weight of 438.6 g/mol. It is a synthetic dye derived from the compound thymol. Moreover, thymol blue free acid is sparingly soluble in water but more soluble in alcohol and several organic solvents. The dye also changes from yellow to blue depending on the acid/base properties (pH) of the solution. This compound can be used in acidic as well as basic conditions, and is usually employed to mark pH changes in an experiment. The low concentration of thymol blue free acid becomes yellow in highly acidic conditions, and in basic conditions, it’s known to exhibit a deep blue coloration. Thymol blue free acid is utilized in various lab experiments about monitoring pH levels, such as in chemical synthesis, environmental analysis, and biochemistry, because of such properties.
Applications of Thymol Blue Free Acid
- A vivid and reliable pH transition in acid-base titrations can both the observed clearly with the use of thymol blue free acid.
- In organic and inorganic reactions compound serves as a pH level checking component.
- Found to be useful in water testing grade as well as in biochemical reactions, which require pH adjustment.
Key Features of Thymol Blue Free Acid
- Precise and Trustworthy for pH Measurement
- Distinct and Noticeable Color Changes from yellow to blue
- Reasonable and Productive in a Lab Setting
- Versatile use in Chemistry, biology, education, environmental science, and many other disciplines.
General Description
Thymol Blue Free Acid is a synthetic organic compound (CAS No: 76-61-9) widely utilized in laboratories throughout the world. It’s known among science professionals as having a molecular formula (MF) C27H30O5S and a molecular weight (MW) of 466.59 g. As part of the sulfonephthalein family of dyes, Thymol Blue Free Acid displays two ranges of pH transitions on a spectrum; it is useful in experiments revolving around strong acids and bases. It has a yellowish tint in acidic solutions, changes colors to blue in basic solutions, and passes through green depending on the pH value. This distinct color change allows it to be used in acid-base titrations, buffer solutions, and pH measuring in scientific and industrial settings.
If you are looking for where to purchase Thymol Blue Free Acid (CAS No. 76-61-9), there is no need to look further—Dawn Scientific is a reputable source for lab chemicals and reagents. Thymol Blue Free Acid (CAS: 76-61-9) from Tristains indicators will provide dependable and reproducible results in all lab experiments and scientific research done. Our products are of high quality and made with the greatest standards of purity and performance.
If you are looking to buy Thymol Blue Free Acid (CAS No. 76-61-9) competitively priced at high purity, bulk orders, custom lab packs, or express shipping, Dawn Scientific is the place to reach out to for immediate support and instant quotes.
When it comes to precision and sharp detail, Thymol Blue Free Acid (CAS No. 76-61-9) is an unrivaled pH indicator provided by Dawn Scientific due to our unmatched service and attention to detail. Furthermore, this indicator excels in highly precise scientific applications due to its excellent visual clarity when undergoing chemical changes. For consistent quality and performance in every batch, trust Tristains indicators at Dawn Scientific.
About Brand
“TriStains”, Histological Stains/ Biological Stains that offer range of stains used in Histology, Cytology, Microbiology and Hematology laboratories.
TriStains meet the highest quality standards and give excellent color performance of desired components of cells and tissue in life science laboratories.
TriStains series products are carefully tested to ensure accurate, reliable, and reproducible results. Our products are available in different packaging sizes to allow you to get all types of stains & Indicators for your specific purposes from a single source.
Why Dawn Scientific?
In addition to our specialty product lines, Dawn Scientific offers a comprehensive range of laboratory supplies and scientific products, including laboratory chemicals, reagents, analytical standards, solutions, buffers, biological stains, indicators, laboratory equipment, instruments, consumables, and much more.
For complete product information, technical resources, and our full catalog, please browse other categories on our website dawnscientific.com.
If you have any questions or would like assistance selecting the right products for your application, our knowledgeable team is ready to help. Contact us at 1-800-DAWN-SCI (1-800-329-6724) or email sales@dawnscientific.com. We look forward to serving your laboratory and research needs.
Frequently Asked Questions (FAQs)
TriStains Thymol Blue Free Acid is primarily used as a pH indicator in analytical chemistry, acid-base titrations, buffer preparation, and laboratory research applications.
TriStains Thymol Blue Free Acid is commonly available in:
- • 25 g
- • 50 g
- • with bulk packaging options available for laboratory and industrial requirements.
No, this product is generally supplied in high-purity free acid powder/crystalline form for preparation of customized laboratory indicator solutions.
TriStains Thymol Blue Free Acid is manufactured using high-purity laboratory-grade materials, ensuring accurate pH indication, stable color transition, and reliable analytical performance.
Thymol Blue Free Acid exhibits multiple color transitions depending on pH conditions, typically:
- • Red to yellow in acidic range
- • Yellow to blue in alkaline range
making it highly effective for precise pH monitoring.
It offers:
- • Sharp and visible color changes
- • High sensitivity to pH variation
- • Stable analytical behavior
- • Reliable batch-to-batch reproducibility
for routine and advanced laboratory applications.
Thymol Blue Free Acid is sparingly soluble in water but readily soluble in alcohol and dilute alkaline solutions, making it suitable for laboratory indicator preparation.
It is widely used in:
- • Acid-base titrations
- • Analytical chemistry
- • Water testing
- • Biochemical assays
- • Educational and research laboratories
Yes, TriStains products are carefully tested to ensure accurate color response, consistent purity, and reproducible laboratory performance.
TriStains Thymol Blue Free Acid offers high-quality formulation, dependable pH indication, stable performance, and reliable analytical consistency, making it suitable for research, analytical, and quality control laboratories.
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