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Update to Avantor’s response to the coronavirus (COVID-19) pandemic

Dipotassium disulfate 97.5-100.0% (K2S2O7 basis, acidimetric), EMSURE® for analysis, Supelco®

Supplier: EMD MILLIPORE - AA – CORP
Danger

M-Clarity™ quality level = MQ300

1.05107.1000 1.05107.5000 1.05107.9050
EM1.05107.1000CS 3122 USD InStock
EM1.05107.1000 EM1.05107.5000 EM1.05107.9050
Dipotassium disulfate 97.5-100.0% (K2S2O7 basis, acidimetric), EMSURE® for analysis, Supelco®
Potassium disulphate
1.05107.1000 will be offered as an alternative to PX1581-1. Different Pack Size, Same Specifications.
1.05107.1000 replaces and is the same as PX1581-5W. Part # Change only, Same Pack Size, Same Specifications.
1.05107.5000 is offered as an alternative to PX581-3. Different Pack Size, Same Specifications.
1.05107.5000 is offered as an alternative to PX1581-5. Different Pack Size, Same Specifications.
1.05107.9050 replaces and is the same as PX1581-20. Part # Change only, Same Pack Size, Same Specifications.


Formula: K₂O₇S₂
Melting Pt: 325 °C
Density: 2.51 g/cm³ (20 °C)
Storage Temperature: Ambient
 MDL Number: MFCD00011385
CAS Number: 7790-62-7
EINECS: 232-216-8
UN: 2923
ADR: 8,6.1,I
Merck Index: 13,07749
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Specification Test Results
Assay (acidimetric, as K₂S₂O₇) 97.5 - 100.0 %
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

 

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