Ammonium Persulphate 98% AR
Ammonium peroxodisulfate, Ammonium peroxydisulfate
Product Code. |
00227 |
Grade |
|
Purity |
Min. 98% |
CAS No. |
7727-54-0 |
Molecular Formula |
(NH4)2S2O8 |
Molecular Weight |
228.19 |
H.S.Code |
2833.40000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
1 - 2 |
Melting point/ Freezing point [°C] |
120°C |
Vapour density |
7.88 |
| Density [g/cm3] |
1.98 |
Solubility in water [% weight] |
228 g/l at 20 °C |
Oxidising properties |
The substance or mixture is classified as oxidizing with the subcategory 3 |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (by KMNO4 titration) | Min 98.0% |
| Insoluble matter in water | Max 0.005% |
| Titrable free acid | Max 0.04 meq/g |
| Chloride & chlorates (as Cl) | Max 0.001% |
| Iron (Fe) | Max 0.001% |
| Heavy metal (as Pb) | Max 0.005% |
| Manganese (Mn) | Max 0.00005% |
| Residue on ignition (as SO4) | Max 0.05% |
Safety Information and Hazard Symbols
Symbol: GHS03, GHS07, GHS08
Signal Word: Danger
UN No.: 1444
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