SODIUM PERSULPHATE AR
Etching of printed circuits Oxidising agent. Reagent for the TOC determination.
Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
SC1821 | AR | 99% | 7775-27-1 | Na2S2O8 | 238.09 | 2833.1990 | 60 Months |
Packings
500 g,25 Kg |
Physical Properties
Physical state at 20 °C | Solid |
Colour | White crystalline |
Odour | Odorless |
pH value | 2.5 - 4.0 |
Melting point/ Freezing point [°C] | 180°C |
Density [g/cm3] | 2.4 |
Solubility in water [% weight] | 238.1 g/l at 20 °C - completely soluble |
Specifications
Appearance | White crystalline powder |
Assay | Min 99% |
Chloride (Cl) | Max 0.01% |
Calcium (Ca) | Max 0.005% |
Cadmium (Cd) | Max 0.005% |
Cobalt (Co) | Max 0.005% |
Copper (Cu) | Max 0.005% |
Iron (Fe) | Max 0.005% |
Potassium (K) | Max 0.01% |
Nickel (Ni) | Max 0.005% |
Heavy metal (as Pb) | Max 0.005% |
Zinc (Zn) | Max 0.005% |
Safety Information and Hazard Symbols
Symbol | GHS03, GHS07, GHS08 |
Signal Word | Danger |
UN No. | 1505 |
IMCO Class No. | 5.1 |
Packing Group | III |
Hazardous Statement | H272-H302-H315-H317-H319-H334-H335 |
Precaution Statement | P220-P261-P280-P305 + P351 + P338-P342 + P311 |
Risk Statement | |
Safety Statement |