Sodium phosphate monobasic dihydrate
SIGMA/71505 - BioUltra, Molecular Biology, ≥99.0% (T)
Synonym: Sodium dihydrogen phosphate dihydrate
CAS Number: 13472-35-0
Empirical Formula (Hill Notation): H2NaO4P · 2H2O
Molecular Weight: 156.01
EC Number: 231-449-2
MDL Number: MFCD00149209
Linear Formula: NaH2PO4 · 2H2O
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| application(s) | diagnostic assay manufacturing |
| assay | ≥99.0% (T) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.2 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤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 | |
| K: ≤200 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | powder or crystals |
| grade | Molecular Biology |
| impurities | DNases, none detected |
| insoluble matter, passes filter test | |
| phosphatases, none detected | |
| proteases, none detected | |
| RNases, none detected | |
| InChI | 1S/Na.H3O4P.2H2O/c;1-5(2, |
| InChI key | VBJGJHBYWREJQD-UHFFFAOYSA |
| pH | 4.0-4.5 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | O.O.[Na+].OP(O)([O-])=O |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.085 |
| λ: 280 nm Amax: 0.070 |
| Application: | Sodium phosphate monobasic dehydrate has been used in the preparation of the phosphate buffer solution and SCCP solution. It has also been used in the preparation of stop buffer. |
| Other Notes: | Gel electrophoresis - running buffer component for denaturing gels containing formamide. |
| 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 | 12161700 |