RDD022

Phosphate de sodium dibasic

anhydrous, free-flowing, Redi-Dri^™, ReagentPlus^®, ≥99.0%

• Synonyme(s) : Phosphate de sodium secondaire, Hydrogénophosphate de disodium, Hydrogénophosphate de sodium, Phosphate disodique
• Formule linéaire : Na₂HPO₄
• Numéro CAS: 7558-79-4
• Poids moléculaire : 141.96
• Numéro CE : 231-448-7
• Numéro MDL: MFCD00003496
• Code UNSPSC : 12161700
• ID de substance PubChem : 329824231
• Nomenclature NACRES : NA.25

Propriétés

• Qualité: anhydrous; free-flowing
• Niveau de qualité: 100
• Gamme de produits: ReagentPlus^®; Redi-Dri^™
• Pureté: ≥99.0%
• Forme: powder
• Perte: ≤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)
• Solubilité: water: 100 mg/mL, clear, colorless
• Chaîne SMILES: [Na+].[Na+].[H]OP([O-])([O-])=O
• InChI: 1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
• Clé InChI: BNIILDVGGAEEIG-UHFFFAOYSA-L

Description

Description générale

Sodium phosphate dibasic is a commonly used buffer in frozen formulations.

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).

Informations légales

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Informations sur la sécurité

• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable