S3264

Sodium phosphate dibasic

for molecular biology, ≥98.5% (titration)

• Synonym(s): sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate
• Linear Formula: Na₂HPO₄
• CAS Number: 7558-79-4
• Molecular Weight: 141.96
• EC Number: 231-448-7
• MDL number: MFCD00003496
• UNSPSC Code: 12161700
• eCl@ss: 38070211
• PubChem Substance ID: 24899552
• NACRES: NA.25

Properties

• grade: for molecular biology
• Quality Level: 300
• Assay: ≥98.5% (titration)
• form: powder
• 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: H₂O: 100 mg/mL
• anion traces: chloride (Cl^-): ≤40 ppm
• cation traces: Fe: ≤20 ppm; heavy metals (as Pb): ≤10 ppm
• application(s): diagnostic assay manufacturing
• foreign activity: DNase, RNase and protease, none detected
• SMILES string: [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
• InChI key: BNIILDVGGAEEIG-UHFFFAOYSA-L

Description

Application

• Electrospraying of Bio-Based Chitosan Microcapsules Using Novel Mixed Cross-Linker: Experimental and Response Surface Methodology Optimization.: Published in Materials, this research explores the use of sodium phosphate dibasic as a cross-linker in the electrospraying of chitosan microcapsules. The study emphasizes the chemical′s importance in optimizing the microcapsule formation process for potential biomedical applications (Uko et al., 2022).


• Compound treatment of thiolated citrus high-methoxyl pectin and sodium phosphate dibasic anhydrous improved gluten network structure.: This article from Food Chemistry demonstrates how sodium phosphate dibasic anhydrous enhances the gluten network structure when combined with thiolated citrus high-methoxyl pectin, suggesting applications in food science and nutrition (Chen et al., 2023).

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves