RDD022
Sodium phosphate dibasic
anhydrous, free-flowing, Redi-Dri™, ReagentPlus®, ≥99.0%
Synonym(s):
sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate
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About This Item
Recommended Products
grade
anhydrous
Quality Level
product line
ReagentPlus®
Redi-Dri™
Assay
≥99.0%
form
powder
quality
free-flowing
loss
≤1.0% loss on drying
pH
8.9-9.2 (25 °C, 50 g/L in water)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubility
water: 100 mg/mL, clear, colorless
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Related Categories
1 of 4
This Item | 902179 | 102379 | 102392 |
|---|---|---|---|
| assay ≥98.0% | assay ≥93% | assay ≥95.0% (complexometric) | assay ~90% (complexometric) |
| Quality Level 200 | Quality Level - | Quality Level 200 | Quality Level 200 |
| density 2.15 g/cm3 at 20 °C | density - | density 2.15 g/cm3 at 20 °C | density 2.15 g/cm3 at 20 °C |
| impurities ≤0.2% Free alkali (as Ca(OH)2) | impurities - | impurities ≤0.2% Free alkali (as Ca(OH)2) | impurities ≤0.2% Free alkali (as Ca(OH)2) |
| pH 8-10 (20 °C, 100 g/L in H2O) | pH - | pH 8-10 (20 °C, 100 g/L in H2O) | pH 8-10 (20 °C, 100 g/L in H2O) |
General description
Application
- Solid-State NMR Spectroscopy to Probe State and Phase Transitions in Frozen Solutions: This study utilized Sodium phosphate dibasic in the development of formulations for solid-state NMR spectroscopy, focusing on its utility in stabilizing and buffering various chemical environments within in vitro diagnostics manufacturing. This application ensures precise diagnostics by maintaining the integrity of the solution during freezing and thawing cycles (Du et al., 2023).
- Arabinoxylan in Water through SANS: Single-Chain Conformation, Chain Overlap, and Clustering: This paper discusses the application of Sodium phosphate dibasic in the creation of specific buffer solutions for the structural analysis of polysaccharides using small-angle neutron scattering (SANS), a technique often employed in the pharmaceutical and biotechnological industries to ensure high-quality standards in diagnostics production (Petermann et al., 2023).
Legal Information
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Articles
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.
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