Sodium phosphate monobasic
SIAL/52074 - suitable for HPLC, 99.0-101.0% (T)
Synonym: Monosodium dihydrogen orthophosphate; Monosodium phosphate; Sodium dihydrogen phosphate
CAS Number: 7558-80-7
Empirical Formula (Hill Notation): H2NaO4P
Molecular Weight: 119.98
MDL Number: MFCD00003527
Linear Formula: NaH2PO4
Product Type: Chemical
λ | 10 % in H2O |
assay | 99.0-101.0% (T) |
form | powder or crystals |
InChI | 1S/Na.H3O4P/c;1-5(2,3)4/h |
InChI key | AJPJDKMHJJGVTQ-UHFFFAOYSA |
pH | 4.0-4.5 (20 °C, 10% in H2O) |
SMILES string | [Na+].OP(O)([O-])=O |
solubility | H2O: 0.1 g/mL at 25 °C, clear, colorless |
technique(s) | HPLC: suitable |
UV absorption | λ: 210 nm Amax: ≤0.1 |
λ: 260 nm Amax: ≤0.06 | |
λ: 280 nm Amax: ≤0.04 | |
λ: 320 nm Amax: ≤0.02 | |
λ: 500 nm Amax: ≤0.02 |
Application: | Sodium phosphate monobasic may be used as a mobile phase in: • High-performance liquid chromatography (HPLC) determination of adenosine in human synovial fluid. • Analysis of neuroendocrine tumor markers by HPLC-electrochemical detection. • Analysis of benzalkonium chloride and its homologs using HPLC/HPCE. |
Legal Information: | LiChropur is a trademark of Merck KGaA, Darmstadt, Germany |
Recommended products: | Discover LiChropur™ reagents ideal for HPLC ![]() ![]() |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | 99.0-101.0% (T) |
UNSPSC | 41116105 |