TETRA-SODIUM PYROPHOSPHATE (DECAHYDRATE)
| Product Code | B-02495 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | EXTRAPURE | CAS No | 13472-36-1 |
| Molecular Formula | Na4P2O7.10H2O | Molecular Weight | 446.06 |
| H.S.Code | 2835.39000 | Shelf Life | 60 Months |
| Purity | 99 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Colorless |
|---|---|---|---|
| Odour | Odorless | Density [g/cm3] | 1.82 |
| Solubility in water [% weight] | Soluble in water | Melting point/ Freezing point [°C] | 79.5 °C |
| pH Value | 10.3 |
Packaging
Specification
| Appearance | Colorless crystals |
| Assay (acidimetric; as Na4P2O7.10H2O) | 99 – 103% |
| pH (5% solution in water; 25°C) | 9.5 – 10.5 |
| Insoluble matter | Max 0.01% |
| Chloride (Cl) | Max 0.002% |
| Sulphate (SO4) | Max 0.005% |
| Nitrogen compounds (N) | Max 0.001% |
| Heavy metal (as Pb) | Max 0.001% |
| Iron (Fe) | Max 0.001% |
Safety Information and Hazard Symbols
Symbol:GHS02, GHS07, GHS08
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338