567545

Sodium Phosphate, Monobasic

ACS Reagent Grade. Useful in conjunction with Sodium Phosphate, Dibasic in the preparation of biological buffers.

• Synonym(s): Sodium phosphate monobasic monohydrate, Monosodium phosphate, Sodium dihydrogen phosphate monohydrate, NaH₂PO₄
• Linear Formula: NaH₂PO₄ · H₂O
• CAS Number: 10049-21-5
• Molecular Weight: 137.99
• UNSPSC Code: 12352302
• NACRES: NA.25
• MDL number: MFCD00149208

Properties

• grade: ACS reagent
• Quality Segment: 100
• description: Merck USA index - 14, 8660
• assay: ≥98% (by assay)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze
• color: white
• pKa (20 °C): 7.21
• solubility: water: soluble
• cation traces: heavy metals: ≤0.001%
• shipped in: ambient
• storage temp.: 10-30°C
• SMILES string: [Na+].[H]O[H].OP(O)([O-])=O
• InChI: 1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1
• InChI key: BBMHARZCALWXSL-UHFFFAOYSA-M

Description

General description

ACS Reagent Grade. Useful in conjunction with Sodium Phosphate, Dibasic (Cat. No. 567550 or 567547) in the preparation of biological buffers. Has a pH of 4.1-4.5.

Preparation Note

Following reconstitution, store at room temperature. Stock solutions are stable for several months at room temperature.

Legal Information

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

Disclaimer

Toxicity: Standard Handling (A)

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable