Sodium phosphate monobasic monohydrate
SIGALD/71504 - puriss. p.a., ACS reagent, ≥99.0% (T)
Synonym: Monosodium phosphate; Sodium dihydrogen phosphate monohydrate
CAS Number: 10049-21-5
Empirical Formula (Hill Notation): H2NaO4P · H2O
Molecular Weight: 137.99
EC Number: 231-449-2
MDL Number: MFCD00149208
Linear Formula: NaH2PO4 · H2O
Product Type: Chemical
anion traces | chloride (Cl-): ≤5 mg/kg |
sulfate (SO42-): ≤30 mg/kg | |
assay | ≥99.0% (T) |
cation traces | As: ≤0.5 mg/kg |
Ca: ≤10 mg/kg | |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤5 mg/kg | |
heavy metals: ≤0.001% (by ICP-OES) | |
K: ≤50 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
form | crystals |
grade | ACS reagent |
puriss. p.a. | |
impurities | ≤0.001% total nitrogen (N) |
≤0.01% insoluble matter | |
InChI | 1S/Na.H3O4P.H2O/c;1-5(2,3 |
InChI key | BBMHARZCALWXSL-UHFFFAOYSA |
pH | 4.1-4.5 (25 °C, 50 mg/mL in H2O) |
Quality Level | 200 ![]() |
SMILES string | [Na+].[H]O[H].OP(O)([O-]) |
Application: | Sodium phosphate monobasic monohydrate may be used in the following studies: • As a mobile phase in HPLC studies. • For the dissolution of BSA (Bovine serum albumin). • Preparation of buffer solutions. |
General description: | Sodium phosphate monobasic monohydrate is a sodium salt. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (T) |
UNSPSC | 12352300 |