Potassium persulfate
SIGALD/216224 - ACS reagent, ≥99.0%
Synonym: KPS; Potassium peroxodisulfate
CAS Number: 7727-21-1
Empirical Formula (Hill Notation): K2O8S2
Molecular Weight: 270.32
EC Number: 231-781-8
MDL Number: MFCD00011386
Linear Formula: K2S2O8
Product Type: Chemical
assay | ≥99.0% |
cation traces | Fe: ≤5 ppm |
heavy metals (as Pb): ≤0.001% | |
Mn: ≤2 ppm | |
form | powder or crystals |
grade | ACS reagent |
impurities | ≤0.001% Cl compounds |
≤0.005% insolubles | |
InChI | 1S/2K.H2O8S2/c;;1-9(2,3)7 |
InChI key | USHAGKDGDHPEEY-UHFFFAOYSA |
pH | 2.5-4.5 (25 °C, 27 g/L) |
Quality Level | 200 |
reaction suitability | reagent type: catalyst reaction type: C-H Activation |
reagent type: oxidant | |
SMILES string | [K+].[K+].[O-]S(=O)(=O)OO |
vapor density | 9.3 (vs air) |
vapor pressure | <0.1 hPa ( 25 °C) |
Packaging: | 100, 500 g in poly bottle |
Packaging: | 5 g in glass bottle |
Symbol | GHS03,GHS07,GHS08 |
Signal word | Danger |
Hazard statements | H272 - H302 - H315 - H317 - H319 - H334 - H335 |
Precautionary statements | P210 - P220 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 |
Hazard Codes | O,Xn |
Risk Statements | 8-22-36/37/38-42/43 |
Safety Statements | 22-24-26-37 |
RIDADR | UN 1492 5.1 / PGIII |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% |
UNSPSC | 12352300 |