5.43840

Sodium dihydrogen phosphate anhydrous

for HPLC LiChropur^™

• Synonym(s): Sodium dihydrogen phosphate anhydrous, Sodium biphosphate
• Empirical Formula (Hill Notation): H₂NaO₄P
• CAS Number: 7558-80-7
• Molecular Weight: 119.98
• MDL number: MFCD00003527
• UNSPSC Code: 41116105
• EC Index Number: 231-449-2
• NACRES: NA.21

Properties

• grade: anhydrous
• Quality Level: 100
• technique(s): HPLC: suitable
• pH: 4.5 (20 °C, 10 g/L in H₂O)
• solubility: 850 g/L
• bulk density: 940 kg/m³
• application(s): environmental; food and beverages
• format: single component solution
• storage temp.: 2-30°C
• InChI: 1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChI key: AJPJDKMHJJGVTQ-UHFFFAOYSA-M

Description

General description

Sodium dihydrogen phosphate anhydrous iscommonly used in high-performance liquid chromatography (HPLC) as a bufferingagent to control the pH of the mobile phase.

Application

Sodium dihydrogen phosphate anhydrous can be used as an a buffering agent:

• For the mobile phase in RP-HPLC for the simultaneous determination of pyridoxine hydrochloride and meclizine hydrochloride in pharmaceutical formulations.
• In the heparin hydrolysis.

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable