Phenol Red 0.04%, Buy now Ready to use Indicator solution for reliable and Reproducible results from Tristains indicators at Dawnscientific.
Phenol red appears as a red crystal that can stay stable in the air. Phenol red is also referred to as phenolsulfonphthalein, or simply PSP. It serves as an indicator for pH, depicting a color change during measurement. The acidic nature gives it a distinct yellow, while the red is attained when it is neutral, and fuchsia when it is basic. At a concentration of 0.04%, phenol red appears as a red liquid in neutral or slightly basic aqueous solutions. Given that the coloring changes differently in various pH environments, this indicator is reliable for monitoring and controlling pH levels. Phenol red 0.04% solution is a slightly higher concentration of the pH indicator dye phenol red. This solution is also commonly used in various scientific and industrial applications.
Applications of Phenol Red 0.04%
- Monitoring Laboratory pH: Useful for both classroom leaing and industrial pH adjustments, which need rapid and visual detection.
- Cell culture pH: It is added in most cases to monitor the pH of the growing cells maintaining their vital molecular functions, thus providing a supporting environment for optimum growth.
- Enzyme assays: Monitoring the pH of some enzymatic reactions, though tiny pH shifts considerably change activity.
Key Features of Phenol Red 0.04%
- Requires no preparation or dilution, conserving time in fast-paced laboratory settings.
- Offers exceptional visibility across a wide range of pH levels and multiple applications.
- Applicable in microbiology, chemistry, or the biotech industry, making it a safe and flexible choice.
- Remarkable shelf life when stored according to guidelines, maintaining integrity long term.
General Description
Phenol Red 0.04% is a highly dependable and ready-to-use pH indicator solution for precise and reproducible results in lab, research, and industrial settings. This product is part of the Tristains indicators collection at Dawn Scientific and therefore can be acquired effortlessly by industry and lab professionals demanding dependability. Order now to experience the capability and consistency of precision testing and monitoring with Phenol Red 0.04%.
Wondering where to purchase Phenol Red 0.04%? Rest assured that Dawn Scientific provides unquestionable quality and performance of Phenol Red 0.04% under purity guarantees. Other Tristains’ ready-to-use pH indicators are trusted by laboratories, academic institutions, and industrial facilities nationwide.
The pricing of Phenol Red 0.04% is competitive relative to bottle size and order size. Whether you need it for small-scale research or large-volume industrial use, bulk discounts are available at Dawn Scientific. For a complete price list, actively updated quotes, and other ongoing price deals, get in touch with us.
Every batch of pH indicator solution is ready to use, and crafted with distinct laboratory-grade level of detail which ensures specific dependability on every batch’s clarity, color, and stability. For any type of research activity, educational environment, or monitoring routine, Phenol Red 0.04% ensures effortless optimal pH control.
For any lab or industrial settings that require visible tracking of pH levels, Phenol Red 0.04% is the trusted solution. Purchase it now from Dawn Scientific, where you will find the global precision-formulated indicator ready for use and trusted by professionals.
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)
Phenol Red 0.04% is a ready-to-use pH indicator solution widely used in analytical chemistry, cell culture media, microbiology, biochemical testing, educational laboratories, and research applications. It provides a clear visual indication of pH changes in laboratory systems.
Phenol Red typically changes color within a pH range of approximately 6.8 to 8.4. The solution appears yellow under acidic conditions, red near neutral pH, and fuchsia or pink-red in alkaline environments. This makes it useful for monitoring biological and chemical processes.
Yes. Phenol Red 0.04% is supplied as a pre-prepared aqueous indicator solution that can be used directly without additional dilution or preparation. This helps ensure consistent results and saves laboratory preparation time.
Phenol Red 0.04% is commonly available in laboratory pack sizes, including 100 mL, 500 mL, and larger bulk packaging options depending on laboratory, educational, and industrial requirements.
For optimum stability and performance, store Phenol Red 0.04% in a tightly closed container at room temperature in a cool, dry place away from direct sunlight, excessive heat, and contamination. Proper storage helps maintain color stability and indicator performance.
Under recommended storage conditions, Phenol Red 0.04% typically offers a shelf life of approximately 24 months. Users should always refer to the product label, Certificate of Analysis (COA), or batch documentation for exact expiration information.
Phenol Red is widely used in cell culture applications because it allows researchers to visually monitor pH changes in culture media. Changes in medium color can indicate shifts in cellular metabolism, contamination, or environmental conditions affecting cell growth.
Phenol Red 0.04% offers sharp color transitions, excellent visibility, ready-to-use convenience, reliable batch-to-batch consistency, and suitability for multiple laboratory applications including chemistry, biotechnology, microbiology, and quality control testing.
Yes. Phenol Red 0.04% is widely used in schools, colleges, universities, pharmaceutical laboratories, biotechnology facilities, research institutions, and industrial quality control laboratories where reliable pH monitoring is required.
Laboratory-grade Phenol Red 0.04% is typically supplied with supporting documentation such as a Safety Data Sheet (SDS), Certificate of Analysis (COA), and product specifications to support laboratory quality assurance, regulatory compliance, and safe handling procedures.







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