Methyl Orange CAS: 547-58-0 | MF: C14H14N3NaO3S | MW: 327.33, Buy now for reliable and Reproducible results from Tristains indicators at Dawnscientific.
Methyl Orange (C.I. 13025) (CAS No. 547-58-0) is an organic dye. As a color indicator, it exhibits red color in acidic solutions and yellow hue in alkaline solutions, and orange in neutral solutions. In analytical chemistry, methyl orange is utilized as an indicator dye and is known for its solubility in water and alcohol, with a chemical formula of C14H14N3NaO3S. This pH indicator is of great aid in biological research, water testing, and is soluble-alcohol/water among other fields.
Applications of Methyl Orange
- In Analytical Chemistry: Methyl orange is known to pH levels lower than 3.1 and useful in acid-base titrations.
- Water Testing: It is used to detect changes in pH during analysis of the environment and wastewater.
- Chemical Assays: It is used in the assays of oxalic acid and malonic acid, where these compounds change colors upon reaching a predetermined concentration.
Key Features of Methyl Orange
- Clear Transition of Colors: Red when acidic, yellow when in alkaline solutions.
- Soluble in Water and Alcohol: Preparation for use in several protocols is straightforward.
- Long Shelf Stability: Appropriate for storage over extended periods in the laboratory.
- Multi-Purpose: Useful for research and analysis in biology and the environment.
- Low Cost: Quality products available at affordable rates.
General Description
Methyl orange (CAS No. 547-58-0) is a synthetic pH indicator dye with a sharp colorimetric change from red in acidic conditions to yellow in alkaline solutions. To ensure accurate and consistent results with the use of Tristains indicators, methyl orange can be purchased from Dawn Scientific.
This compound with a striking orange color (C.I. 13025) is useful in titrations, water testing, and even biological staining due to its ability to change color around pH levels of approximately 3.0 to 4.0.
Have you been trying to figure out where to purchase Methyl Orange? Look no further as we, Dawn Scientific, provide you with high purity Methyl Orange (CAS: 547-58-0) under our Tristains indicators line. Dawn Scientific takes pride in serving all professionals in academics, industry labs, and even for environmental checking with top-grade products to obtain precise, dependable and reproducible results.
Do you wish to find the most affordable Methyl Orange? At Dawn Scientific, you can find bulk purchase options at competitive prices. Reach out to us today for tailored amounts, price alerts, and early dispatches for Methyl Orange (C14H14N3NaO3S).
Selecting Methyl Orange (CAS No. 547-58-0) with us gives you quality, reliability, and promised results for all of your pH tests, biological staining, and analytical chemistry endeavors. Our Tristains indicators surely won’t disappoint as they are designed to meet the strictest requirement set forth by your laboratory’s standard operating procedures.
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 Methyl Orange is primarily used as a pH indicator in acid-base titrations, analytical chemistry, water testing, and laboratory research applications.
This product is supplied in reagent-grade quality, ensuring high purity, reliable analytical performance, and reproducible laboratory results.
TriStains Methyl Orange is commonly available in:
- • 25 g
- • 50 g
- • Bulk laboratory packs
depending on laboratory and industrial requirements.
No, TriStains Methyl Orange is generally supplied as a powder/crystalline form for preparation of customized laboratory indicator solutions.
Methyl Orange changes from red in acidic solutions to yellow in alkaline solutions, making it highly effective for pH monitoring and titration analysis.
It offers:
- • Sharp and clear color transition
- • Excellent water solubility
- • Stable analytical performance
- • Consistent batch-to-batch reproducibility
for routine and advanced laboratory applications.
Yes, it is widely used in acid-base titrations, chemical assays, environmental testing, and educational laboratory experiments requiring accurate pH indication.
Yes, TriStains Methyl Orange is manufactured under strict quality standards to ensure consistent color performance and reproducible analytical results.
Yes, it is suitable for biological research, environmental monitoring, and wastewater analysis, where precise pH indication is required.
TriStains Methyl Orange provides high-purity grade quality, excellent indicator performance, reliable color transition, and dependable laboratory consistency, making it suitable for research and analytical laboratories.







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