Sodium hypophosphite
SIGALD/04434 - puriss., meets analytical specification of BPC63, anhydrous, 98-101%
CAS Number: 7681-53-0
Empirical Formula (Hill Notation): H2NaO2P
Molecular Weight: 87.98
EC Number: 231-669-9
MDL Number: MFCD09265474
Linear Formula: NaPH2O2
Product Type: Chemical
anion traces | chloride (Cl-): ≤200 mg/kg |
sulfate (SO42-): ≤200 mg/kg | |
assay | 98-101% |
cation traces | As: ≤2 mg/kg |
Fe: ≤10 mg/kg | |
density | 1.77 g/cm3 at 20 °C |
form | powder or crystals |
grade | puriss. |
impurities | ≤0.001% heavy metals (as Pb) |
≤0.2% free alkali (as CaO) | |
InChI | 1S/Na.H3O2P/c;1-3-2/h;3H2 |
InChI key | SIGUVTURIMRFDD-UHFFFAOYSA |
loss | ≤1% loss on drying, 105 °C, 2 h |
quality | meets analytical specification of BPC63 |
Quality Level | 200 ![]() |
SMILES string | [Na+].[O-][PH2]=O |
solubility | water: soluble 909 g/L at 30 °C |
Application: |
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General description: | Sodium hypophosphite, also known as sodium phosphinate, is a sodium salt of hypophosphorous acid. It is used as a reducing agent for the reduction of metal salts to metals in an aqueous solution. It is also employed as a source of hydrogen in heterogeneous catalytic transfer reductions. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 2 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | 98-101% |
Density | 1.77 g/cm3 at 20 °C |
UNSPSC | 12352300 |