Dipotassium disulfate, EMSURE® for analysis, Supelco®

Supplier: MilliporeSigma
Danger

Synonyms: Dipotassium disulfatePotassium pyrosulphatePotassium pyrosulfateDipotassium disulphate

M-Clarity™ quality level = MQ300

1.05107.1000 1.05107.1000 1.05107.5000 1.05107.5000 1.05107.9050 1.05107.9050
EM1.05107.5000CS 7477 USD
CA1.05107.1000 EM1.05107.5000 CA1.05107.9050 EM1.05107.1000 CA1.05107.5000 EM1.05107.9050
Dipotassium disulfate, 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
MW: 254.32 g/mol
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: 12,07834

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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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