1.05107
Potassium disulfate (Potassium pyrosulfate)
for analysis EMSURE® ACS
别名:
Potassium disulfate (Potassium pyrosulfate), Potassium pyrosulfate
选择尺寸
关于此项目
产品名称
Potassium disulfate (Potassium pyrosulfate), for analysis EMSURE® ACS
SMILES string
[K+].[K+].[S](=O)(=O)([O-])O[S](=O)(=O)[O-]
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
grade
ACS reagent
product line
EMSURE®
assay
97.5-100.0% (K2S2O7 basis, acidimetric)
form
solid
impurities
≤0.01% Insoluble and by ammoniumhydroxide precipitated matter
≤2.5% Water
37.5-38.6% Acidity (as H2SO4)
pH
0.8 (20 °C, 50 g/L in H2O)
mp
325 °C
solubility
water: soluble (ca.25.4 g/l at 20 °C (68 °F))
bulk density
830 kg/m3
anion traces
chloride (Cl-): ≤0.0005%
phosphate (PO43-): ≤0.001%
cation traces
Al: ≤0.001%
As: ≤0.0005%
Ca: ≤0.002%
Fe: ≤0.0005%
Mg: ≤0.0005%
N: ≤0.002%
Na: ≤0.01%
heavy metals (as Pb): ≤0.001%
storage temp.
no temp limit
Quality Level
Analysis Note
Acidity (as H₂SO₄): 37.5 - 38.6 %
Insoluble and by ammoniumhydroxide precipitated matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.001 %
Al (Aluminium): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Water (H₂O): ≤ 2.5 %
Conforms ACS.
Other Notes
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A
存储类别
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
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