tetra-SODIUM PYROPHOSPHATE DECAHYDRATE AR/ACS
Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
SC1844 | AR/ACS | 99% | 13472-36-1 | Na4P2O7.10H2O | 446.06 | 2835.3900 | 60 Months |
Packings
500 g,25 Kg,50 Kg |
Physical Properties
Physical state at 20 °C | Solid |
Colour | Colorless |
Odour | Odorless |
pH value | 10.3 |
Melting point/ Freezing point [°C] | 79.5 |
Density [g/cm3] | 1.82 |
Solubility in water [% weight] | Soluble in water |
Specifications
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% |
Niitrogen compounds (N) | Max 0.001% |
Heavy metal (as Pb) | Max 0.001% |
Iron (Fe) | Max 0.001% |
Safety Information and Hazard Symbols
Symbol | GHS07 |
Signal Word | Warning |
UN No. | |
IMCO Class No. | |
Packing Group | |
Hazardous Statement | H315-H319-H335 |
Precaution Statement | P261-P305 + P351 + P338 |
Risk Statement | |
Safety Statement |