Methyl Red Free Acid CAS: 493-52-7 | MF: C15H15N3O2 | MW: 269.3, Buy now for reliable and Reproducible results from Tristains indicators at Dawnscientific.
Methyl Red Free Acid (CAS No. 493-52-7) exists in a red, crystalline solid or powder form. As Methyl Red is a pH indicator, it will change color at 5.5. Moreover, the methyl red’s free acid has low solubility in water but readily dissolves in organic solvents like ethanol and acetone. Free acid methyl red, which is a pH indicator, has a molecular formula of C15H15N3O2. Furthermore, it is used as a dye in analytical chemistry, microbiology, and even in acid-base titrations due to its particular pH sensitivity.
Applications of Methyl Red Free Acid
- Titration of Acids and Bases: Best in fields with strong pH sensitivity with a sharp pH cusp.
- Research & Education: Efficient as a pH indicator in academic and professional laboratories.
Key Features of Methyl Red Free Acid
- A clear endpoint during titration is marked by the visible shift from red to yellow.
- Soluble in ethanol, acetone, and other organic solvents.
- Extended stability and consistent performance over time.
- Precise endpoints for biological and chemical assays.
General Description
Methyl Red Free Acid (CAS No. 493-52-7) serves as a precise and dependable indicator for acid and base concentration in chemistry, biology, and microbiology, as well as in titrations. Place your order now from Dawn Scientific and ensure the use of Tristains indicators for guaranteed accuracy and reproducibility of results.
Methyl Red Free Acid (CAS No: 493-52-7) is of a class of compounds which change colour under pH. Its qualitative value makes it necessary in laboratories and research centres. In microbiology, analytical chemistry and other disciplines, this compound with a molecular formula (MF) of C15H15N3O2 and molecular weight (MW) of 269.3 g/mol is useful.
This red crystalline compound is capable of exhibiting a color change at a pH of 5.5, where it is red in acidic and yellow in basic media. As an acid form of methyl red, it can be counted on to perform adequately with acid-base titrant solutions. Methyl Red Free Acid has a limited solubility in water but is readily soluble in organic solvents such as ethanol and acetone which widens the scope of applicable conditions.
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When you purchase Methyl Red Free Acid (CAS No. 493-52-7) from Dawn Scientific, you are ensuring scientific integrity, quality you can trust, and precision results you can depend on. Place an order now and see for yourself why researchers rely on Tristains indicators for dependable solutions.
About Brand
“TriStains”, Histological Stains/ Biological Stains that offer a range of stains used in Histology, Cytology, Microbiology and Hematology laboratories.
TriStains meet the highest quality standards and give excellent color performance of the 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 Methyl Red Free Acid is primarily used as a pH indicator in acid-base titrations, analytical chemistry, microbiology, and laboratory research applications.
This product is supplied in reagent-grade quality, ensuring high purity, dependable analytical performance, and reproducible laboratory results.
TriStains Methyl Red Free Acid is commonly available in:
- • 25 g
- • 50 g
with additional bulk packaging options available for laboratory and industrial applications.
No, this product is generally supplied as a high-purity crystalline powder/free acid form for preparation of customized indicator solutions based on laboratory requirements.
Methyl Red Free Acid changes from red in acidic conditions to yellow in alkaline conditions, with a transition range typically around pH 4.4 to 6.2.
It provides:
- • Sharp and clear endpoint detection
- • High pH sensitivity
- • Stable indicator performance
- • Consistent batch-to-batch reproducibility
making it suitable for analytical and research laboratories.
Methyl Red Free Acid has limited water solubility but dissolves readily in organic solvents such as ethanol and acetone, making it suitable for various laboratory formulations.
It is widely used in:
- • Acid-base titrations
- • Analytical chemistry
- • Microbiology testing
- • Educational laboratories
- • Biochemical assays and pH monitoring
TriStains indicators are tested for accurate color transition, long-term stability, and reproducible analytical performance, ensuring dependable laboratory results.
TriStains Methyl Red Free Acid offers high-purity grade quality, precise pH indication, stable formulation, and reliable laboratory performance, making it suitable for research, analytical, and quality control applications.
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