1.05091

Potassium peroxodisulfate

for analysis EMSURE^®

• Synonym(s): Potassium peroxodisulfate, Potassium persulfate
• Empirical Formula (Hill Notation): K₂O₈S₂
• CAS Number: 7727-21-1
• Molecular Weight: 270.32
• MDL number: MFCD00011386
• UNSPSC Code: 12352302
• EC Index Number: 231-781-8
• NACRES: NA.21
• Assay: ≥99.0% (iodometric)
• Form: solid
• Solubility: 50 g/L

Properties

• Quality Level: 300
• product line: EMSURE^®
• Assay: ≥99.0% (iodometric)
• form: solid
• potency: 802 mg/kg LD₅₀, oral (Rat)
• pH: 3.2 (20 °C, 50 g/L in H₂O)
• mp: 100 °C (decomposition)
• solubility: 50 g/L
• density: 2.48 g/cm³ at 20 °C
• bulk density: 1150 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%
• cation traces: Fe: ≤0.001%; Mn: ≤0.0001%; heavy metals (as Pb): ≤0.003%
• storage temp.: 2-30°C
• SMILES string: [K+].[K+].[S](=O)(=O)([O-])OO[S](=O)(=O)[O-]
• InChI: 1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
• InChI key: USHAGKDGDHPEEY-UHFFFAOYSA-L

Description

Analysis Note

Assay (iodometric): ≥ 99.0 %
Chloride (Cl): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.003 %
Fe (Iron): ≤ 0.001 %
Mn (Manganese): ≤ 0.0001 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: 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 Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 5.1B - Oxidizing hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable