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LC5113 Potassium sulfate
powder suitable for use as excipient

 

Order number Packaging Quantity Price €
AC32113 Plastic bottle 1 kg inquire
AC32113 Double PE Sack 25 kg inquire

 

Product information
Grade Ph Eur,BP,JP,E 515
Synonyms Potassium pyrosulfate
Hill Formula K2O4S
Chemical formula K2SO4
HS Code 3105 10 00
EC number 231-915-5
Molar mass 174.26 g/mol
CAS number 7778-80-5

 

Chemical and physical data
Solubility 111 g/l (20 °C)
Melting point 1069 °C
Molar mass 174.26 g/mol
Density 2.66 g/cm3 (20 °C)
Bulk density 800 kg/m3
pH value 5.5 – 7.5 (50 g/l, H2O, 20 °C)
Boiling point 1689 °C (1013 hPa)

 

Safety information
RTECS TT5900000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

 

Transport information
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good

 

Toxicological data
LD 50 oral LD50 rat 6600 mg/kg

 

Specifications
Assay
– alkalimetric
≥ 99.0 %
– alkalimetric, calculated on dried substance 99.0 – 101.0 %
Identity passes test
Appearance of solution passes test
pH-value (5 %; water) 5.5 – 8.5
Acidity or alkalinity passes test
Chloride (Cl) ≤ 0.004 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0002 %
Ca (Calcium) ≤ 0.02 %
Fe (Iron) ≤ 0.001 %
Hg (Mercury) ≤ 0.0001 %
Mg (Magnesium) ≤ 0.002 %
Na (Sodium) ≤ 0.01 %
Na (sodium) passes test
Pb (Lead) ≤ 0.0005 %
Se (Selenium) ≤ 0.003 %
Residual solvents (Ph.Eur./ICH) excluded by manufacturing process
Loss on drying (130 °C) ≤ 1.0 %