Description
Product Overview
Innovating Science’s sodium phosphate dibasic heptahydrate is an ultrapure laboratory reagent with a purity of ≥ 99.0%, designed for precise research applications. It maintains a stable pH range of 8.7–9.3 in 5% aqueous solutions, forming clear, colorless mixtures ideal for biochemical and molecular biology studies. Product dimensions are 5.78 x 3.05 x 3.05 inches, weighing 1.19 pounds, and it is manufactured to ensure low levels of contaminants like lead (≤ 10 ppm) and iron (≤ 10 ppm). This reagent is RNase- and DNase-free, making it suitable for DNA, RNA, and protein workflows, and it ranks among top chemical salts in industrial and scientific categories.

Usage
This sodium phosphate dibasic heptahydrate is used in research laboratories for buffer formulations, pH stabilization, and biochemical experiments, including molecular biology protocols. It is ideal for environments such as academic labs, pharmaceutical research, and biotechnology facilities where precise pH control and minimal impurities are critical. Target audiences include scientists, lab technicians, and researchers working on DNA extraction, protein assays, and analytical chemistry that require reliable, contaminant-free reagents.
Why Choose Us
Innovating Science ensures superior quality with strict purity controls, confirmed solubility, and rigorous testing for RNase and DNase absence, reducing interference in sensitive workflows. The product’s low heavy metal and contaminant levels (e.g., ≤ 10 ppm chloride, ≤ 50 ppm sulfate) provide consistency and reliability, backed by its high ranking in chemical salts and life science supplies. This focus on quality and application-specific performance makes it a trusted choice for demanding research needs.
Key Features
- Ultrapure sodium phosphate dibasic heptahydrate with ≥ 99.0% purity for accurate laboratory results
- Stable pH buffering in the 8.7–9.3 range, ideal for biochemical and molecular biology experiments
- Low heavy metal content (≤ 10 ppm lead and iron) to minimize impurities in analytical workflows
- RNase- and DNase-free certification, ensuring compatibility with DNA, RNA, and protein studies
- High solubility and clear solution formation for ease of use in various research applications
FAQ
What is the primary use of sodium phosphate dibasic heptahydrate?
It is primarily used as a buffer agent in laboratory research to stabilize pH in biochemical and molecular biology experiments, such as DNA and protein assays.
Is this reagent suitable for sensitive molecular biology workflows?
Yes, it is rigorously tested to be RNase- and DNase-free, making it ideal for sensitive applications involving DNA, RNA, and proteins without risk of degradation.
What is the purity level of this product?
The purity is ≥ 99.0%, with low contaminant levels, ensuring reliable performance in high-precision research environments.
How does it perform in pH stabilization?
It maintains a pH range of 8.7–9.3 in a 5% aqueous solution, providing consistent buffering for various experimental conditions.
Are there any storage recommendations for this reagent?
Store in a cool, dry place at room temperature, sealed tightly to prevent moisture absorption and maintain purity over time.






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