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Product Name
Potassium disulfate, puriss. p.a., ≥97.5% (T)
InChI
1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
InChI key
KAQHZJVQFBJKCK-UHFFFAOYSA-L
SMILES string
[K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O
grade
puriss. p.a.
assay
≥97.5% (T)
form
powder or crystals
impurities
≤0.002% total nitrogen (N)
pH
1-2 (25 °C, 25.5 g/L)
density
2.28 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤10 mg/kg
cation traces
Ag: ≤5 mg/kg
Al: ≤5 mg/kg
As: ≤5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Tl: ≤5 mg/kg
Zn: ≤5 mg/kg
Quality Level
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Application
General description
Other Notes
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A
Storage Class
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
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